2nd Grade Math Standards - 2009-2010 Implementation
Resources for Older Standards

Mathematical Processes | Number & Operations | Algebra | Geometry & Measurement | Data Analysis, Statistics, and Probability | Review Help
Links verified 5/1/2009
Return to Grade Level Skills
Worksheet Generator - This web site will allow you to create printable math worksheets from your browser.
(addition, subtraction, multiplication, division, mixed problems, fractions, measurement, fractions, graphing, telling time, and a one-hundred chart)

a site for teachers | a PowerPoint show | Adobe Acrobat document | a Word document sound | video format | interactive lesson | a quiz | lesson plan | to print

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1. Analog Clock - [whole class activity] You call out a time and ask a student to set the clock.
2. Bang On Time - Read the time in words then stop the clock when the hands reach the right time.
3. Black Dog's Time Game - [five minute intervals used] drag the hands to the time given and click OK [warning: the hour hand stays on the hour]
4. Clock Craft - Make a simple paper clock that you can use to practice telling time (from Enchanted Learning)
5. Clock Program - Start with either an analog or a digital clock, then set the other clock to the time given on the first clock.
6. Clock Program - drag the hour hand to show the given time
7. Clockwise - Interactive clock from Shodor, time is shown on a clock face students enter correct time
8. ClockWise and Matching Time - select either of these two activities to practice telling time
9. Clock Works - [5 minute increments at the medium level] select hour and then minute by clicking on the clock
10. Draw Hands - free worksheets from Math Slice, time intervals from 1 hour to one minute
11. Kid Klock - use pull down menus to select the time you would like to see on an analog clock
12. Match Different Ways to Tell the Same Time - concentration style matching game; match anlog to digital
13. Match Spoken Time to Numerical Time - click on Play, listen to the time spoken then select the number that matches
14. Matching Times - Choose the letter of the phrase on the right that matches the number on the left.
15. A Matter of Time - interactive quizzes on half hour, 15 minute intervals and five minute intervals, in addition to story problems
16. Reading Clocks - set analog clock to same time as digital clock
17. Right Time - [this link opens in a new window] explore the meaning of AM and PM while they tell time to the hour and half hour (Author - Linda Burke)
18. Smiley Clock - click on the Play button - create a face for Smiley Clock by telling the correct time - tell time by picking one from three choices - The clock gains eyes, nose, mouth and hair if you select the correct time.
19. Stop the Clock - match digital time to analog clocks, or written time, by dragging the digital clocks, or written time | to the nearest hour | to the nearest half hour | to the nearest fifteen minutes
20. Tell Time - free worksheets from Math Slice, time intervals from 1 hour to one minutes
21. Telling Time - Drag the five digital times to the correct analog clock, then press Stop the Clock to record your time. (30 minute increments) (15 minute increments) (5 minute increments)
22. Telling Time Worksheets - topics from various grades are covered [there is a link to .pdf worksheets, but fewer activities per sheet are presented in those worksheets]
23. Telling Time Practice - Drag the hands of the clock to show the correct time.
24. Telling Time Quiz - [this link opens on a new page] click to match times on this Quia quiz
25. Telling Time Quiz - Match the time at the bottom to the clock. Type the letter beside the correct time in the box under each clock
26. Telling Time With Word Problems - [this link opens on a new page] Quia quiz designed for first/second grade practice with time problems using real life routines and hours of the day
27. Time Theme Unit - worksheets to print, various grades
28. Time To Go - [this link opens in a new window] tell time to the half hour (Author - Randy Russell)
29. Travel Time - Which train falls in between the time limit?
30. Worksheet Generator - You decide on the variables; students tell the time or draw the hands on the clock face, time increments from half-hour to one minute, and answer sheet.

1. Calendar Activity - interactive calendar for practice
2. Calendar: Days of the Week - Click on the correct answer
3. Calendar Worksheets - select a month, five questions are on each worksheet
4. It's A Date - [this link opens on a new page] use a calendar (Author - Sandi King) [designed for third grade]
5. Lotsa Lesson Plans - calendar lessons - songs and ideas

1. Clockworks - set as many clocks as possible
2. Travel Time - Which train falls in between the time limit?

1. Are We There Yet? - [this link opens in a new window] select the appropriate unit of measure (Author - Kaye Maddox)
2. Elapsed Time - free worksheets from Math Slice, time intervals from 1 hour to one minute
3. Elapsed Time - Practice finding elapsed time given a starting time and an ending time. Elapsed Time is one of the Interactivate assessment explorers.

1. Adding Nickels and Pennies - find the sum of the coins
2. Adding Dimes and Pennies - find the sum of the coins
3. Adding Dimes, Nickels and Pennies - find the sum of the coins
4. Change It! - [this link opens in a new window] practice adding up all of your coins - You select the number of problems that you want to use as well as the number of pennies, nickels, dimes, quarters, and half dollars that may appear in each problem. You may elect to express your questions in words only, coins only, or a combination of both
5. Change Maker - [this link opens in a new window] Figure out how many of each bill or coin that you expect to get back when you pay for something. Select Easy for problems involving less than $1.00
6. Coins for Candy - [this link opens in a new window] identify, know the value of, and compare the values of a penny, nickel, and dime (Author - Sandi King)
7. Counting Change - a match game, counting coins to find amount of change and matching it with numerical number
8. Counting Coins - the collection of coins may sometimes be up to $2.00
9. Counting Coins - up to 5¢, up to 20¢, up to 50¢, up to 99¢, customize amounts - from FreeMathTest
   1. Worksheets to print are also available supporting instruction of this topic
10. Counting Money - Help Kristen, Ryan, or Evan with their shopping. Six pages of problems are available; three easy and three hard.
11. Discovering Coin Values - a target amount is given and students drag coins to the slide to equal that amount [values over $1.00 used occasionally]
12. Grandpa's Game - [this link opens in a new window] count money (Author - Sandi King)
13. How Much Money is This? - count by 10's (dimes) up to $1.00
14. Let's Count Money (introduction and instructions) followed by a quiz - coin value problems occasionally display amounts greater than 50¢ but never more than $1.00. This site uses both sides of the coins! [caution: some of the reverse side coin images are slightly smaller]
15. Let's Go Shopping - [this link opens in a new window] estimate by rounding to the nearest dollar as they shop (Author - Sandi King)
16. Lunch Lady - The Lunch Lady (you) must total the three items on ten lunch trays (one at a time) in three minutes. [Advanced, amounts up to $5.00 used ]
17. Making Change from One Dollar - amounts are shown on a cash register, find the correct change
18. Money Flashcards - Coins and bills, or just coins, are displayed and students determine the value. Best used as a whole class review; this is not a game with an end. Occasionally values greater than $1.00 are displayed.
19. Piggy Bank - As coins drop students click on the right coins to equal some target amount. Two games are available; easy or hard.
20. School Store - [this link opens in a new window] subtract using decimals as they make change. Regrouping will be required (Author - Kaye Maddox)
21. Scottie Nickel's Change Maker - become a human CoinStar machine - Calculate the total amount of change the customer has. Next, think of a way to make $1.75 with as few coins as possible.
22. Spending Spree - [this link opens in a new window] Pick the item that you would like to buy. Then choose the correct amount of coins you need to pay for that item. This game has 10 questions.
23. That's Right - [this link opens in a new window] estimate measurements in real-world problems using money (Author - Kaye Maddox) [some exercises may be advanced]
24. Too Much Noise - [this link opens in a new window] Students determine the fewest number of coins needed to produce a given amount. (Author - Sandi King)
25. Tutorials - select the coin (or combinations) you want your students to practice
26. U. S. Coins (printables from Enchanted Learning) - Scroll a bit more than halfway down this page until you see Adding and Subtracting Coins (Printouts). Look below that to see about six dozen printables of various difficulty.
27. Which Coin? - Students select the coin that completes the total needed.

1. Hot Stuff - [this link opens in a new window] estimate temperatures using a Fahrenheit thermometer (Author - Sandi King)
2. Interactive Applet of Thermometer - ask your students to compare the degrees between two days
3. Interactive Thermometer - slide the temperature up or down and see items that match the temperature
4. Interactive Thermometer - use this interactive thermometer to calculate difference in temperature
5. Interactive Thermometer - an Excel worksheet that allows students to change temperature with a slider or the F9 key
6. Read a Thermometer - practice problems, Celsius degrees are used
7. Temperature Factsheets - five are available
8. Temperature Quiz - three levels are available
9. Temperature Worksheets - six worksheets, including one which is about Fahrenheit and Celsius comparison
10. Tracking Temperature - lesson plan prepared by Jan Tankey

1. Heaviest to Lightest - [designed for 1st grade] Look at the figures on each line. Click once on the lightest object. Click twice on the heaviest object.
2. Poddle Weigh-In - Hacker has removed all of the weights from the Poddles, you must use the scales to estimate their correct weight.
3. Measuring Tools - [this link opens in a new window] select measurement tools for real-world measuring situations. (Author - Sandi King)
4. Teaching Measures - Choose from three modules; length, mass, and capacity. Each category offers several activities for your large screen display as well as supporting worksheets.

1. Fabulous Fractions - [this link opens in a new window] learn the concept of equal parts as related to fractions (Author - Karen Chandler)
2. Fraction Flags - design a flag using halves or quarters
3. Fraction Flags - design a flag using thirds
4. Fraction Match - find the fraction that matches with the correct graph [concentration style game]
5. Fraction Monkeys - [click Continue to play the game] place fractions on a number line by hanging monkeys from loops [easy and hard levels available]
6. Fraction Painting - use a 2x2 grid, 3x3 grid, 4x4 grid, 5x5 grid, or a 6x6 grid
7. Fractions II - fourths
8. Fraction Review - beginning fractions
9. Flowering Fractions - [this link opens in a new window] understand common fractions by using model representations (Author - Roseanne Phillips)
10. Fraction Bar - add a bar then break it into fractions, decimals, or percents
11. I Want My Half - [this link opens in a new window] understand the concrete and symbolic representations of fractions (Author - Sandi King)
12. Identify With Circles - fraction practice where student types in numerator and denominator
13. Kids and Cookies - a cute interactive site using cookies and fractions
14. Old Egyptian Math Cats Fractions - Add fractions like a true Old Egyptian Math Cat!
15. Percent Paint - students paint blocks on a 10x10 grid - use this as a whole group activity and ask students to paint fractions or percents.

1. I Want My Half - [this link opens in a new window] understand the concrete and symbolic representations of fractions (Author - Sandi King)

1. The Art of Math - [this link opens on a new page] Create your own math tests. Learn math through repetition. Each math test is randomly generated based on the values you provide (you set grade level and difficulty). This allows each math test to be unique, providing students with an endless number of challenges. (help with adding, subtracting, or multiplying) K - 3
2. Farm Addition - add groups of newly hatched chicks
3. Matching Pictures to Number Sentences - study each picture and then click on the number sentence that describes the picture
4. Odd Bugs - The odd bugs lived in the hollow of an old tree. Every odd-bug had an odd number of legs and of course an odd number of feet. Which Odd Bugs could pair up to make six legs
5. Speed Grid: Addition - (level 1) Students answer the question set by clicking on two numbers that complete the sentence. You set the number of questions (2 to 99) and the time limit (1 to 10)
6. Speed Grid: Subtraction - (level 1) Students answer the question set by clicking on two numbers that complete the sentence. You set the number of questions (2 to 99) and the time limit (1 to 10)
7. Sum to 10 - Click on the number that makes 10 when you add it to the number on the card Marty is holding up.
8. Word Problems for Grades 1-5 - This KidZone math page has seven first grade problems. Each time you open a new page the site generates new values for the problem.

1. Matching Pictures to Number Sentences - Find the correct number sentence to go along with the picture.
2. Visualize the Number line - Using a number line, this activity shows how to use the line to add problems.

1. Four dozen word problems - problems only, no answers, not interactive
2. Grand Slam Math - [this link opens in a new window] 15 addition and subtraction single and multistep word problems that start out easy and get a little harder as you go
3. Groups Of Dogs - [this link opens in a new window] use arrays to understand the meaning of multiplication (Author - Sandi King) (designed for 3rd grade)
4. It's A Fact - [this link opens in a new window] practice basic subtraction facts (Author - Kaye Maddox)
5. Making Change - [this link opens in a new window] count money and make change (Author - Sandi King) (designed for 3rd grade)
6. Matching Pictures to Number Sentences - study each picture and then click on the number sentence that describes the picture
7. Math Hoops -. All word problems use whole numbers but the problems range from single step addition to multistep equations. There are also problems that require students to interpret remainders. Students who answer 5 questions correctly get a chance to play some basketball.
8. Math Playground - Hundreds of self-checking word problems for students in grades 1 to 6. There are currently 675 word problems available. They will be adding more content throughout the school year
9. Math stories with Leon the Chameleon - Click on the Addition and Subtraction button under the heading Select a Story (select Maybe Later on the registration screen)
10. My Backpack - [this link opens in a new window] Students add columns and find missing addends using data generated from a chart. (Author - Sandi King)
11. Show Me The Money - [this link opens in a new window] add using columns (Author - Sandi King)
12. Thinking Blocks - (an engaging, interactive math tool to help students learn how to solve multistep word problems; addition & subtraction, multiplication & division, and ratio & proportion) Thinking Blocks encourages students to look beyond the surface to discover the concepts and relationships that are at the core of every math problem.
13. What number would complete this sentence? - find the missing addend
14. Word Problems for Grades 1-5 - This KidZone math page has four second grade problems. Each time you open a new page the site generates new values for the problem.
15. Word Problem Practice - problems in addition, subtraction and more (warning: many pop-up ads on this site)
16. Word Problems with Katie - [this link opens in a new window] 10 addition and subtraction single and multistep word problems that start out easy and get a little harder as you go [2 levels available]

1. Ask Hannah - [this link opens in a new window] Students describe symmetry in two-dimensional shapes. (Author - Julie Thompson)
2. Line Symmetry - many activities here
3. Lines of Symmetry - drag the shapes that have lines of symmetry into one bin and those that do not into the other bin
4. Symmetry Lesson - and interactive quiz
5. Thinking Blocks - (an engaging, interactive math tool to help students learn how to solve multistep word problems; addition & subtraction, multiplication & division, and ratio & proportion) Thinking Blocks encourages students to look beyond the surface to discover the concepts and relationships that are at the core of every math problem.

1. Mean Green Machine - [this link opens in a new window] use a calculator to find and use the average, or mean, of a set of data (Author - Kristy Rousseau)

1. Children's Picture Book Database at Miami University - type in math or numbers in the search box.
2. Brian P. Cleary - author of books conveying math ideas - Mission of Addition, The, Action of Subtraction, The, How Long or How Wide?: A Measuring Guide
3. Literature for Learning Math Concepts - using books to teach math

1. Ant Parade - match numerals to numbers of ants in a concentration style game
2. Connect the Dots - [this link opens in a new window] count by ones or fives with this FunBrain game
3. Connect the Dots - [this link opens in a new window] make a dog by counting by fives with this FunBrain game
4. Count by 10's , Count by 100's, Count by 1000's - from Free Math Test
5. Ghost Blasters - Click on ghosts that are multiples of ten. Click as many times as you can, you can get multiple points on each ghost.
6. Give the Dog a Bone - use a hundreds charts to find numbers
7. How Much Money is This? - count by 10's (dimes) up to $1.00
8. Rabbits - [this link opens in a new window] recall multiplication facts using a hundreds chart (Author - Kaye Maddox)
9. Sequences - Count by 2's, 5's, or 10's or customize or print worksheets &
10. Splat Square - This hundreds chart allows the selection of any number by clicking a color to splat then clicking on the number.
11. Spooky Sequences - One of the ghosts is missing a number. Click on the numbers along the bottom to enter the right number in the sequence. one digit numbers (by ones) | two digit numbers (by ones) | three digit numbers (by ones) | counting by twos | counting by fives | counting by tens | backward by ones | backward by twos | backward by fives | backward by tens
12. Super Sequencer - Input the starting number of a sequence, the increment (amount of change), and then select the speed with which the next numbers will be displayed as your students predict the next number
13. Three is a Magic Number - [this link opens in a new window] learn multiples of three (Author - Carol Senn)
14. Worksheet Generator - Print your own one hundred chart. A one hundred chart can be used to teach counting or skip counting.
15. Worksheets to print are also available supporting instruction of this topic

1. Count Us In - 12 activities that help with understanding basic math. - number recognition, ordinal numbers, sorting, patterns, addition, subtraction,time
2. Cookie Dough - [this link opens in a new window] type the word that corresponds to the numeral
   1. Do the reverse [this link opens in a new window] and type in the number that corresponds with the word.
3. Find the missing number - find the butterfly that holds the missing number
4. Numeracy Games - many games dealing with numeration
5. Really Big Numbers - Enter a number then click the Click here button to see how to write it. Use numbers appropriate to this spi.
6. Word Game - [click Continue to play the game] select and combine words that spell out a given number, numbers from 20 to 99 used

1. Decimal Number Line - Identify and estimate decimal fractions on a number line. Move the pointer along the line, find a number between two others by looking at the next decimal place. Click on “Use the decimal number lines tool” at the bottom of the page.
2. Decimal Number Lines - Three whiteboard resources to assist in the teaching and learning of decimals; zero to one, zero to ten, and a decimal number line.
3. Estimate numbers on a number line - after students make their estimate you reveal the answer and display a new problem.
4. Worksheet Generator - Print your own number line worksheets, you decide on the starting and ending numbers and the increment.

1. Expanded Form of Numbers - write the numeral the expanded form represents
2. Place Value Pirates - find the corresponding pirate who is standing on the platform that contains a specified number
3. Place Value Playoff - Expanded Form of Numbers - Online quiz
4. Numbers in Expanded Form - numbers are shown in expanded form, select which answer is the correct number
5. Place Value - this video lesson explains place value in whole numbers and decimal numbers, and then gives your students the chance to show understanding on a quiz. and
6. Specific Place - find the numeral in a specific place value

1. Alligator Lunch - [this link opens in a new window] learn greater than and less than symbols (Author - Sandi King)
2. Compare - 1-9, 1-20, 10-99, 100-999, customize the range of numbers - from FreeMathTest
   1. Worksheets to print are also available supporting instruction of this topic
3. Compare and Order Numbers - explanation and examples
4. Compare and Order Worksheets - links to several worksheets
5. Comparing Amounts - more, less or the same
6. Comparing and Ordering Integers - using a number line to explain
7. Compare It! - [this link opens in a new window] Students can practice comparing numbers, objects, or words using Greater Than, Less Than, Equal, Greater Than or Equal, Less Than or Equal, and Not Equal operators. You can have them compare words only, symbols only, or use both words and symbols
8. Compare Numbers - choose the red button for numbers to 1,000 or the orange button for numbers to 10,000
9. Comparing Numbers - animated explanation from Harcourt
10. Comparing Numbers Factsheets - five different topics provided by BBC's Skillswise
11. Comparing Numbers Quiz - three levels available
12. Comparing Numbers Worksheet - three sheets to print
13. Comparing Two Numbers - [this link opens on a new page] comparing 4 to 6 digit numbers.
14. comparing one digit numbers | comparing two digit numbers | comparing three digit numbers
15. Genius Boxing - box some of history's great math minds such as Einstein, Copernicus, Galileo, Bill Gates and more for universal math supremacy
16. Greater or Smaller - Compare two numbers.
17. comparing one digit numbers | comparing two digit numbers | comparing three digit numbers | comparing four digit numbers
18. One False Move - [this link opens on a new page] (FunBrain) Start with the lowest number and work your way up. If you don't know where to start, try using the map.
19. One False Move - [this link opens on a new page] (FunBrain) Start with the highest number and work your way down. If you don't know where to start, try using the map.
20. Ordering Numbers to One-Hundred - arrange numbers from least to greatest by clicking and dragging the numbers
21. Ordering Three-digit Numbers - arrange numbers from least to greatest by clicking and dragging the numbers
22. Place Numbers in Order - choose level and then ascending or descending order
23. Put Numbers in Order Game - three levels are available sort 4, 6 or 8 numbers
24. Practice comparison at FreeMathTest - numbers from .10 to .99, numbers from .100 to .999, numbers from 0 to 10, numbers from 10 to 50, numbers from 50 to 100.
25. Using Comparison Symbols - choose the correct comparison symbol
26. Using Comparison Symbols with Number Sentences - simple number sentences are used, select <, >, or =
27. Wabbit Words - Read the sentence and then find a carrot with the appropriate number, e.g. 'Less then 26' choose any carrot that is less than 26.

1. Base 10 Blocks - Exploring whole decimal numbers with blocks
2. Decimal Number Line - Identify and estimate decimal fractions on a number line. Move the pointer along the line, find a number between two others by looking at the next decimal place. Click on “Use the decimal number lines tool” at the bottom of the page.
3. Estimate numbers on a number line - after students make their estimate you reveal the answer and display a new problem.
4. Worksheet Generator - Print your own number line worksheets, you decide on the starting and ending numbers and the increment.

1. Adding - 1-3, 2-5, 3-8, 5-10, 5-20, 10-99, customize for any number range - from FreeMathTest
   1. Worksheets to print are also available supporting instruction of this topic
2. Arithmetic Four - (A game like Connect Four) A pair of students must answer arithmetic questions (addition, subtraction, multiplication, division) to earn a piece to place on the board. Parameters: time limit, difficulty level, types of questions
3. Addition Surprise - fill in sums in the addition grid to complete a surprise picture
4. Ambleweb Addition Machine - select Level 1 to practice this spi
5. Ambleweb Subtraction Machine - Students choose a skill level, type the answer, and then check for correctness.
6. Are You a Math Magician? - Two levels of practice with several operations are available; addition, subtraction, multiplication or division. Mixed practice is also available; addition and subtraction, multiplication and division, or a mix of all four. Select the level appropriate for this spi. Addition game & Subtraction game also available
7. Bowling Subtraction - bowl down pins by answering subtraction problems
8. Build a Bug - Answer these computations and build a bug! (mixed operations including some division)
9. Checking Subtraction - [this link opens on a new page] Students explore the inverse relationship of addition and subtraction. (Author - Sandi King)
10. Circus Fun - [this link opens on a new page] add up to three digits with regrouping (Author - Kaye Maddox)
11. Fill-in Equation - supply the missing number in subtraction equations
12. Ghost Blasters II (addition practice) - (two players) Students must “blast” a pair of ghosts whose sum equals some number specified before the game begins. Sums from 5 to 99 can be set.
13. Hidden Picture - the answer is given and you must select the problem to reveal a hidden picture. Good for a pair of students together
14. It's A Fact - [this link opens on a new page] practice basic subtraction facts (Author - Kaye Maddox)
15. Math Baseball - Complete the Number Sentence. - Addition - Numbers less than 10
16. Math Baseball - Subtraction - Numbers less than 5
17. Math Facts - timed math facts, or select practice mode without the timer
18. Math Facts from Harcourt School - (K-3) Content available at the site: Addition and Subtraction sums and differences to 10, 12, and 20; Multiplication and Division facts to 5, to 10, to 12. Verbal instructions are included and students can select timed or un timed. (30 facts)
19. Math Mastery - select operation and practice your facts
20. Mad Math Minutes - [this link opens in a new window] This is a great way to practice basic math skills in addition, subtraction, multiplication, and division. You pick the number of and types of problems that you want to practice. You may also choose the largest number used in a problem as well as the number of terms (numbers) used
21. Math Mayhem - a fast paced program where you can select addition problems. Most are two digit problems.(warning: turn sound to mute; this activity gets very loud!)
22. Mental Math - select Addition to practice your skills
23. Mixed Review - addition and subtraction of three numbers, find answer to reveal mystery picture. (warning: very difficult, student will need pencil and paper)
24. Mystery Picture - subtract and find the mystery picture under the tiles (subtraction facts to 20)
25. Mystery Picture - subtract 2 digit numerals, no borrowing.
26. Number Families - fill in the missing numeral when given the family of addition and subtraction values
    1. More practice can be found here in the relationships between addition and subtraction
27. Paint Brush Math - Paint by Numbers (but figure out the equations to figure out what the numbers actually are.)
28. SpacyMath - One must sign in, but you can use the same log on for everyone in the class. Choose from addition or subtraction
29. Speed Grid: Addition - (level 1) Students answer the question set by clicking on two numbers that complete the sentence. You set the number of questions (2 to 99) and the time limit (1 to 10)
30. Speed Grid: Subtraction - (level 1) Students answer the question set by clicking on two numbers that complete the sentence. You set the number of questions (2 to 99) and the time limit (1 to 10)
31. Subtraction - 1-3, 2-5, 3-8, 5-10, 5-20, 10-99, customize for any number range - from FreeMathTest
    1. Worksheets to print are also available supporting instruction of this topic
32. Sum Fun - [this link opens in a new window] practice addition facts to 18 (Author - Kaye Maddox)
33. Sum Sense (Addition) - Students practice single digit addition by dragging numbers to complete the sentence.
34. Sum Sense (Subtraction) - Students practice single digit subtraction by dragging numbers to complete the sentence.
35. Test the Toad - Add or subtract numbers from 1 to 15 by clicking on the numbered person.
36. Tic-Tac-Toe Squares - [this link opens in a new window] (Fun Brain) Addition - Numbers less than 50
37. Tic-Tac-Toe Squares - [this link opens in a new window] (Fun Brain) Subtraction - Numbers less than 10
38. Timed Addition Facts - At end of 60 seconds this page shows the score and answers to problems.
39. The Timernator - race against the clock - add as fast as you can in 60 seconds [subtraction, multiplication, and division also available]
40. The Art of Math - Create your own math tests. Learn math through repetition. Each math test is randomly generated based on the values you provide (you set grade level and difficulty). This allows each math test to be unique, providing students with an endless number of challenges. (help with adding, subtracting, or multiplying) K - 3
41. What number would complete this sentence? - find the missing addend

1. Column Addition Method -This method can be used for adding any addition problems with 2 or more digit numbers, one column (place value) at a time
2. Short Addition Method - performed from right to left adding one place value at a time, re-grouping each place values sum to the next largest place value on the left.
3. Trade First Subtraction Method - this method is performed from right to left subtracting one place value at a time
4. Partial Sums Addition Method - performed from left to right and can be used for adding any addition problems with 2 or more digit numbers, one place value at a time.

1. Estimate numbers on a number line - after students make their estimate you reveal the answer and display a new problem.
2. Home Run Derby Math - you don't have time to add, just estimate the correct answer [addition, subtraction, or multiplication]

1. Addition Worksheets -Select activity 15. Random sheets to print.
2. FreePrintable Addition Worksheets - go to Add in columns section
3. Adding Three Numbers - Find the sum of three numbers

1. Thinking Blocks - (an engaging, interactive math tool to help students learn how to solve multistep word problems; addition & subtraction, multiplication & division, and ratio & proportion) Thinking Blocks encourages students to look beyond the surface to discover the concepts and relationships that are at the core of every math problem.
2. Math stories with Leon the Chameleon - Click on the Addition and Subtraction button under the heading Select a Story (select Maybe Later on the registration screen)

1. Decimal Number Line - Identify and estimate decimal fractions on a number line. Move the pointer along the line, find a number between two others by looking at the next decimal place. Click on “Use the decimal number lines tool” at the bottom of the page.
2. Estimate numbers on a number line - after students make their estimate you reveal the answer and display a new problem.
3. Worksheet Generator - Print your own number line worksheets, you decide on the starting and ending numbers and the increment.

1. Counting Game - select a number to count by, use the number line to place numbers in order.
2. Skip Counting Printable Sheets - Fill in the missing numbers in each of the printout listed below
3. Skip Counting Games - songs, rhymes, and games

1. Number & Operations [Grades Pre-K-2]

1. Brenda's Bedroom Border - [this link opens on a new page] complete a pattern (Author - Paulette Boggs)
2. Christmas Lights - [this link opens on a new page] identify and complete patterns (Author - Kaye Maddox)
3. Create your own pattern - drag shapes to create a pattern (Instructions on how to use this page in your classroom)
4. Missing Numbers - [this link opens on a new page] find the missing numbers in a sequence (Author - Carol Senn)
5. Number Cracker - [this link opens on a new page] guess what number comes next in the pattern
6. Patterns - this video lesson explains patterns, and then gives your students the chance to show understanding on several quizzes.
7. Spooky Sequences - One of the ghosts is missing a number. Click on the numbers along the bottom to enter the right number in the sequence. (square numbers)
8. Spooky Sequences - One of the ghosts is missing a number. Click on the numbers along the bottom to enter the right number in the sequence. (triangular numbers)
9. Spooky Sequences - One of the ghosts is missing a number. Click on the numbers along the bottom to enter the right number in the sequence. one digit numbers (by ones) | two digit numbers (by ones) | three digit numbers (by ones) | counting by twos | counting by fives | counting by tens | backward by ones | backward by twos | backward by fives | backward by tens
10. What Comes Next? - study repeating patterns and click on the one that continues the pattern

1. Help Caillou Build a Train Track - When Caillou asks "Do you want to play with me?", click on the train. Match patterns of track pieces to let the passengers get to the train station.
2. Pattern Detectives - [this link opens in a new window] identify and extend patterns in a variety of settings, audio is used to assist non-readers. (Author - Sandi King)
3. What Comes Next? - study repeating patterns and click on the one that continues the pattern

1. Christmas Lights - [this link opens in a new window] identify and complete patterns (Author - Kaye Maddox)
2. Create your own pattern - drag shapes to create a pattern.
   1. Instructions on how to use this page in your classroom
3. Missing Numbers - [this link opens in a new window] find the missing numbers in a sequence (Author - Carol Senn)
4. Number Cracker - [this link opens in a new window] guess what number comes next in the pattern
5. Spooky Sequences - One of the ghosts is missing a number. Click on the numbers along the bottom to enter the right number in the sequence. (square numbers)
6. Spooky Sequences - One of the ghosts is missing a number. Click on the numbers along the bottom to enter the right number in the sequence. (triangular numbers)
7. Spooky Sequences - One of the ghosts is missing a number. Click on the numbers along the bottom to enter the right number in the sequence. one digit numbers (by ones) | two digit numbers (by ones) | three digit numbers (by ones) | counting by twos | counting by fives | counting by tens | backward by ones | backward by twos | backward by fives | backward by tens
8. Super Sequencer - Input the starting number of a sequence, the increment (amount of change), and then select the speed with which the next numbers will be displayed. an your students predict the next number?
9. Wolf, Goat, and Cabbage - Old Russian Puzzle: You have to carry a wolf, a goat, and a cabbage across a river.

1. Color odd and even numbers - four different pictures are available
2. Dragon Eggs - Rescue the dragon's eggs by flying around the sea,deciding if the numbers are odd or even.
3. Ghost Blasters (Odd) - Click on ghosts that are even numbers. Click as many times as you can, you can get multiple points on each ghost.
4. Ghost Blasters (Even) - Click on ghosts that are even numbers. Click as many times as you can, you can get multiple points on each ghost.
5. Me Too - [this link opens in a new window] classify whole numbers as odd or even (Author - Jan Dykes)
6. Odd or Even - numbers up to 10, numbers up to 30, numbers up to 50, numbers to 100, customize for any upper number you select - from FreeMathTest
   1. Worksheets to print are also available supporting instruction of this topic
7. Twins - [this link opens in a new window] identify odd and even numbers (Author - Sandi King)
8. Worksheet Generator - Print your own one hundred chart. A one hundred chart can be used to teach counting or skip counting.

1. Associative property of addition - animated explanation
2. Commutative Properties - video lesson
3. Commutative Properties - beginning lesson
4. Commutative Properties - online quiz, self checking
5. Commutative or associative - online quiz

1. Repeated addition - video lesson
2. Repeated addition worksheet generator - creat your own worksheets to print out.
3. Repeated addition practice - online quiz,self checking

1. Matching Pictures to Number Sentences - study each picture and then click on the number sentence that describes the picture
2. My Backpack - [this link opens in a new window] Students add columns and find missing addends using data generated from a chart. (Author - Sandi King)
3. Sum Sense (Addition) - Students practice single digit addition by dragging numbers to complete the sentence.
4. Sum Sense (Subtraction) - Students practice single digit subtraction by dragging numbers to complete the sentence.
5. Walrus World - [this link opens in a new window] learn strategies for solving real world problems (Author - Randy Russell)

1. Planting the Seeds of Knowledge - measure and observe the growth of their seedlings; lesson plan.

1. Algebra [Grades Pre-K-2]

1. Jigsaw Puzzle Size Up - pieces have been changed, must adjust size.
2. Introduction to Enlargement - introduce students to scale drawings
3. Venn Diagram Shape Sorter - set rules for each circle then drag shapes into the right places

1. Flip, Slide, or Turn - six flash movies allow you to watch the path an object takes while it is being transformed
2. Flips, Slides, and Turns - a manipulative which allows you to view the effect of applying reflection, translation, and rotation transformations
3. Flipping Monsters - Can you make all the Space Monsters face to the right? You must turn two monsters at a time. They must be next to each other.
4. Icy Flips, Slides, and Turns - Use this interactive site from Harcourt to review the three concepts.
5. Mathematical Movements (Flips, Slides and Turns) - [designed for 3rd grade] a 25 page lesson with printables [accessed by the Wayback machine - may be blocked in some school districts]
6. Measuring Turns - what would shapes look like if rotated
7. Ten Question Worksheet - print for your students to practice flips, slides, and turns
8. Transformations - Interactive sites
   1. Reflection
   2. Rotation
   3. Translation
9. Transformations - a Flash movie which demonstrates flips, slides, and turns
10. Wrapping Paper Patterns - [this link opens on a new page] decide which figures would result from a flip, a slide, or a turn (Author - Paulette Boggs)

1. Measurement: Comparing Length - lesson plan; geared to 1st grade but adaptable. pdf format
2. Measurement: Transitivity - lesson plan; apply the concept of transitivity to comparing lengths pdf format

1. Are We There Yet? - [this link opens in a new window] select the appropriate unit of measure (Author - Kaye Maddox)
2. Centimeters - [this link opens on a new page] to nearest whole number (from FunBrain)
3. Centimeters - [this link opens on a new page] to half centimeter (from FunBrain)
4. Inches - [this link opens on a new page] to nearest whole number (from FunBrain)
5. Inches - [this link opens on a new page] to quarter inch (from FunBrain)
6. Measure it - [this link opens in a new window] practice using a ruler - inches and centimeters
7. Measuring Tools - [this link opens in a new window] select measurement tools for real-world measuring situations (Author - Sandi King)
8. Teaching Measures - Choose from three modules; length, mass, and capacity. Each category offers several activities for your large screen display as well as supporting worksheets.
9. The Ruler Game - Learn To Read A Ruler (inches only - increments from inches to sixteenths)
10. Worksheet Generator - [ inches only] Print your own worksheets to let your students practice reading a ruler.

1. 2 and 3D shapes Activities - identify and investigate two-dimensional and three-dimensional shapes
2. 2D shapes - identify and compare these shapes
3. Create your own pattern - drag shapes to create a pattern (Instructions on how to use this page in your classroom)
4. Geo Cleo - [this link opens in a new window] take a look at how to describe three-dimensional shapes (Author - Julie Thompson)
5. Mr. Mumble - [this link opens in a new window] take a look at how to describe two-dimensional shapes (Author - Julie Thompson)
6. Point Out the View - a ten level activity from PBS Kids, students must show what 2-D view each of four viewers would see when looking at a stack of blocks
7. Polygons and Non-Polygons - drag polygons into one bin and anything that is not a polygon into another bin
8. Solid Pattern Pieces - [this link opens in a new window] name the different faces of solid figures to make objects using a pattern (Author - Paulette Boggs)

1. Chose the Unit - Click the unit to use for measurement
2. Measurement - Use a unit of measure to measure objects
3. Nonstandard measurement - lesson plan, use the cubes to measure objects around the room
4. Measure it - [this link opens in a new window] Click on the length of the red bar, select centimeters or inches.

1. Classify Polygons - video lesson
2. Lesson Tutorial Video - Click a video icon, interactive practice also provided
3. Pentagon - A pentagon has five diagonals
4. Polygon Quiz - interactive quiz, self checking
5. Polygon Quiz - interactive quiz, self checking
6. Regular and irregular polygons - lesson
7. Working with Polygons - video lesson

1. Shape Tool - shapes can be created, colored, enlarged, shrunk, rotated, reflected, sliced, and glued together

1. Figures and polygons - basic properties and illustrations of figures and polygons.

1. Geometry [Grades Pre-K-2]
2. Measurement [Grades Pre-K-2]

1. All The Parts - [this link opens in a new window] learn the parts of a graph. (Author - Sandi King)
2. Grapher - interactive column graph maker, students can change values and labels
3. How It All Stacks Up - [this link opens in a new window] Students interpret and compare information using a bar graph. (Author - Sandi King)
4. I Am Special - [this link opens in a new window] Picture graphs are used in real world situations as students organize information, record data, and use mathematical language to read and interpret the graphs. (Author - Sandi King)
5. Interpreting a Data Chart - students practice by answering questions about what can be found in a grid chart
6. Interpreting Column Graphs - students practice by answering ten questions about the graph
7. Kids Have Pets - [this link opens in a new window] learn about the parts of a bar graph and how to collect information (Author - Sandi King)
8. Kinds Of Graphs - [this link opens in a new window] learn about various types of graphs (Author - Sandi King)
9. Make your own Pictogram - Use this interactive page to create your own pictograms
10. Play Ball - [this link opens in a new window] collect data to put on a picture graph (Author - Sandi King)
11. Reading Tables and Schedules - study the table or schedule, and then answer the question
12. Reading Venn Diagrams - use Venn diagrams to answer questions
13. Too Much Information - [this link opens in a new window] determine if irrelevant information is included when solving a problem (Author - Sandi King)
14. Use Column Graphs to Answer Questions - data is displayed in column graphs and students must read the graph to answer questions
15. Use Graphs to Answer Questions - This Saxon math site uses pictographs or tally marks in the form of check marks. Graphs are sometimes repeated with new questions. Be careful!

1. Is It PE Time? - [this link opens in a new window] use a chart to solve problems (Author - Sandi King)
2. Tally Marks - [concentration style game] match sets of tally marks to the number they represent
3. Tally Mark Activities - from Enchanted Learning
4. Tally Charts and Bar Graphs - explanation from Brain Pop Junior

1. Card Sharks - use your knowledge of probability to predict if the next card will be higher or lower
2. What Should I Wear? - [this link opens in a new window] use models to determine possible outcomes (Author - Michaél Dunnivant)
3. Why Can't I Win? - [this link opens in a new window] use a spinner to predict the likelihood of simple events occurring (Author - Sandi King)
4. What Are My Chances - [this link opens in a new window] explore probability and ratios. (Author - Sandi King)

1. Chances - a dice game that allows you to see how increasing or decreasing the number of dice rolls effects an outcome
2. Coin Flipping Page - repeat an experiment with larger number of coin flips to test this skill
3. Coin Toss - toss enough coins to make a prediction about probability (maximum number of tosses 1000, but you can keep tossing to get a larger dataset)
4. Heads I Win - [this link opens in a new window] predict the likelihood of tossing heads or tails and graphs the results of coin tosses (Author - Michaél Dunnivant)
5. Starfish Probability - interactive game - state the probability of picking up a starfish of the specified color

1. Data Analysis & Probability [Grades Pre-K-2]

1. Houghton Mifflin Mathematics Test Prep Practice

1. Daily Questions - to be given three times per week to serve as a ten to fifteen minute (approximate) review of practice test items and critical thinking (a 134 page document) [Note: This link is available through the Wayback Machine Internet Archive. Some state filters block access to this page so you might consider downloading the document at home.]

1. Number Gym - This software company provides games as demonstration copies of their commercial product. All games are labeled "Demonstration" but are working copies and can be used by your students.

1. Measurement - six multiple choice questions
2. Measurement - six multiple choice questions
3. Graphs and Data - five multiple choice questions