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Calculator and Spreadsheet Conventions - Recognize different conventions used in calculator and computer spreadsheets (e.g., * for multiplication, ^ for exponent), but use mathematical notation in written work. 0606.1.1
Disaster Math - Six sets of interactive word problems: Earthquake Math, Hurricane Math, Tornado Math, Wild Fire Math, Winter Storm Math, and Flood Math.
Estimating Sum - No hints or clues given - instruction and review, practice, and a quiz &
Estimator - Practice estimation skills by determining the number of objects, length, or area. (parameters: error tolerance)
Fermi Questions Library - Fermi questions use estimation procedures to solve questions like "How many jelly beans fill a one-liter jar?"
How Big are Things - a printable cube to be used in making size estimations [several versions]
More or Less Estimator - Similar to Estimator activity but states a quantity and asks the user to estimate whether the set of objects is more or less than the number given.
Weigh the Wangdoodles - Your job is to find the weight of each Wangdoodle using the information provided by the scales. To be successful, you will have to make sure that the weight you assign to each Wangdoodle works on each scale. This activity is a fun but challenging introduction to multiple algebraic equations.
Word problems - quiz about adding and subtracting fractions
Solving an Equation - practice at manipulating expressions and finding the value of variables
Equivalent Expressions - Illustrate properties of operations by showing that two expressions are equivalent in a given context (e.g., using an area model for distributive property, and grouping/set models for commutative and associative properties). 0606.1.5
Experiments and Simulations - Model situations by devising and carrying out experiments and simulations. 0606.1.6
Algebra Puzzle - Find the value of each of the three objects presented in the puzzle. The numbers given represent the sum of the objects in each row or column. Sometimes, only one object will appear in a row or column. That makes the puzzle easier to solve. Other times, you will have to look for relationships among the objects.
Real World Data - Formulate questions, design studies, and collect real world data. 0606.1.7
Real Estate Lesson: Monthly Payments - The purposes of this lesson are give students opportunities to find collect real world data regarding real estate in major cities from the Web
Test a Hypothesis - Determine an appropriate sample to test an hypothesis. 0606.1.8
Books, Stories, and Videos - Use age-appropriate books, stories, and videos to convey ideas of mathematics. 0606.1.9
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
Mathematics in Fiction - a reading list of novels in which mathematics play a large role
Triangles and Quadrilaterals - Use various methods (such as dynamic geometry software) to explore properties of triangles and quadrilaterals. 0606.1.10
Colored Chip Models - use manipulatives to model addition, subtraction, multiplication, and division with positive and negative integers [includes two practice problems]
Teacher Dodgeball - fill in numbers on an equation - Each blank of the equation stands for a number on a teacher. Hit the teacher with the number that goes next in the equation by clicking on them.
Estimates and/or Computations - Judge the reasonableness of the results of rational number estimates and/or computations. SPI 0606.1.2
Long Division Teaching Aid: Double Division - Teaching Double Division can help in teaching long division by reinforcing the principles of division and giving students success with a less frustrating alternative.
Integers - Use concrete, pictorial, and symbolic representation for integers. SPI 0606.1.3
Teacher Dodgeball - fill in numbers on an equation - Each blank of the equation stands for a number on a teacher. Hit the teacher with the number that goes next in the equation by clicking on them.
Arithmetic Properties - Select the representation that models one of the arithmetic properties (commutative,
associative, or distributive). SPI 0606.1.4
Fractions, Decimals and Percents - Efficiently compare and order fractions, decimals and percents; determine their approximate locations on a number line. 0606.2.1
Comparing Values - Create your own math facts worksheets for comparing values. Problems can include calculations using positive and negative numbers, and two-digit decimal values.
Computation Castle - a game that requires the utilization of several math skills: mixed numbers/improper fractions, equivalent fractions, metric conversions, exponents, rounding to the nearest thousands and thousandths and place value
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. or
Put Whole Numbers in Order - Three or more numbers can be placed in order. A number may come before the other numbers or it may come between them or after them
All About Ratios: (Problem Solving) - A famous Texas chef has a secret recipe for her chili. When people ask her for it, she hands them a card with the complete recipe except for 1 detail. For the missing detail, she gives them a clue. Use ratios to discover the missing ingredient.
Percents and Ratios - AAA math site with many interactive quizzes - instruction and review, practice, and a quiz and
Percents and Ratios - an index of pages that teach percent and ratio skills covered in K8 math courses - Each page has an explanation, interactive practice and challenge games about percents and ratios. - instruction and review, practice, and a quiz and
Ratio Proportion Calculator - Enter the known and unknown values from your proportion problem. In classic algebraic format, place an x in the box where the value is unknown. Then select Calculate and click on it.
Ratio Stadium - a multi-player racing game for ratios
Percents and Ratios - an index of pages that teach percent and ratio skills covered in K8 math courses - Each page has an explanation, interactive practice and challenge games about percents and ratios. (from AAA math)
Ratio and Rate - Connect ratio and rate to multiplication and division. 0606.2.7
Ratio Blaster - a single player game for matching ratios
Ratio Rate and Proportion - [45 slides] a well designed PowerPoint show which teaches the differences between ratio, fraction, and proportion with a large number of practice problems
Terminating Decimal - Recognize that a terminating decimal equals a fraction with a denominator that is a power of ten. 0606.2.8
Terminating Decimal - definition and examples with solutions from iCoach Math
Negative Numbers - Explore contexts that can be described with negative numbers (such as money, elevation, and temperature). 0606.2.10
Understanding Numbers - basic and key Skill builder sixteen page workbook which used negatives in describing temperature, money, and elevation [UK units used]
Winter in Queenstown - an activity which asks students to explain the meaning of negative numbers and sketch and interpret graphs which represent everyday situations
Working with Negative Numbers - seven page worksheet on working with negative temperatures and money [US units used]
Multiply and Divide Fractions - Solve problems involving the multiplication and division of fractions. SPI 0606.2.1
Division of Fractions
Divide Two Fractions - This page will show you how to divide two fractions. There are three combinations of this. 1) Dividing two "normal" fractions, 2) Dividing a mixed number by a fraction, and 3) Dividing two mixed numbers. Fill in the boxes for the type of problem you need below, then click "Divide."
Divide Fractions With Lines - instruction and practice in dividing fractions. Each example will show visually how the divisor will fit into the dividend a whole number of times.
Divide Fractions With Circles - instruction and practice in dividing fractions. Each example will show visually how the divisor will fit into the dividend a whole number of times.
Divide Fractions-Strict - will give more instruction and practice in dividing fractions. Each quotient might be a number less than one or a mixed number larger than one. The quotient must be entered in lowest terms.
Index of Lessons - several lessons on a variety of concepts involving multiplying or dividing fractions from AAA Math
Multiply Two Fractions - This page will show you how to multiply two fractions together. Fill in only one of the three boxes below, with the form that most closely matches the problem you’re working on.
Multiply with Circles - an interactive site from Visual Fractions - Each example will have a mixed number times a whole number.
Multiply Fractions with Lines - an interactive site from Visual Fractions - Each example will have a mixed number times a whole number.
Multiply Fractions - Strict - an interactive site from Visual Fractions - These examples will have a mixed number times a mixed number. The product must be entered as a mixed number and in lowest terms.
Multiplying and Reducing Fractions - Select the max value for the numerators and denominators in the multiplication problems and press the Start button.
Multiplying Fractions - Math Playground invites you to play with numbers and give your brain a workout.
Multi-Step Problems - Solve multi-step arithmetic problems using fractions, mixed numbers, and decimals. SPI 0606.2.4
Equivalent Fractions - find the fraction that is equivalent to the fraction given
EZ Fractions - Add, Subtract, Multiply and Divide fractions - Help tools are on the site to give students every tool necessary for performing operations with fractions as easy as it has ever been!
Fraction Practice - All operations, mixed practice - (explanations given for wrong answers)
Fractional Distances - find Grampy by entering a fractional distance - (includes mixed numbers and various fractions)
Math at the Mall - practice percentages and finding the best deal while shopping at a virtual mall
Worksheet Generator - Reducing Fractions to Lowest Terms - You decide on the number of problems, the difficulty and whether or not to include improper fractions
Transform Numbers - Transform numbers from one form to another (fractions, decimals, percents, and mixed numbers). SPI 0606.2.5
Percents and Ratios - an index of pages that teach percent and ratio skills covered in K8 math courses - Each page has an explanation, interactive practice and challenge games about percents and ratios. (from AAA math)
All About Ratios: (Problem Solving) - A famous Texas chef has a secret recipe for her chili. When people ask her for it, she hands them a card with the complete recipe except for 1 detail. For the missing detail, she gives them a clue. Use ratios to discover the missing ingredient.
Percents and Ratios - AAA math site with many interactive quizzes - instruction and review, practice, and a quiz and
Percents and Ratios - an index of pages that teach percent and ratio skills covered in K8 math courses - Each page has an explanation, interactive practice and challenge games about percents and ratios. - instruction and review, practice, and a quiz and
Ratio Proportion Calculator - Enter the known and unknown values from your proportion problem. In classic algebraic format, place an x in the box where the value is unknown. Then select Calculate and click on it.
Ratio Rate and Proportion - [45 slides] a well designed PowerPoint show which teaches the differences between ratio, fraction, and proportion with a large number of practice problems
Number Line - Locate positive rational numbers on the number line. SPI 0606.2.7
Integers - Locate integers on the number line. SPI 0606.2.8
Algebra Puzzle - Find the value of each of the three objects presented in the puzzle. The numbers given represent the sum of the objects in each row or column. Sometimes, only one object will appear in a row or column. That makes the puzzle easier to solve. Other times, you will have to look for relationships among the objects.
Two-Step Linear Equations - Write and solve two-step linear equations corresponding to given situations (non-negative numbers only). 0606.3.1
Algebraic Reasoning Using Weighing Scales - Learn how to think algebraically with these clever weighing scales. Levels 1 and 2 contain two scales. Level 3 is more difficult and has three scales. Your goal is to determine the weight of one or more of the objects.
Solving One Step Inequalities - Quiz yourself by guessing what should be in each of the black rectangles below before clicking on it to display the answer
Juxtaposition - Recognize the use of juxtaposition (such as 3x, ab) to stand for multiplication, and the convention in these cases of writing numbers before letters. 0606.3.3
Measurement - Generate data and graph relationships concerning measurement of length, area, volume, weight, time, temperature, money, and information. 0606.3.4
Artie Ounces Soda Jerk - interactive game to practice converting ounces to pints and quarts
Properties - Use the commutative, associative and distributive properties to show that two expressions are equivalent. 0606.3.5
Properties of Integers - four step lesson; introduction, in-depth explanation, examples, and practice problems
Table or Graph - Use equations to describe simple relationships shown in a table or graph. 0606.3.6
Teacher Dodgeball - fill in numbers on an equation - Each blank of the equation stands for a number on a teacher. Hit the teacher with the number that goes next in the equation by clicking on them.
Different Representations - Move fluently between different representations (such as verbal, tabular, numerical, algebraic, and graphical) of equations and expressions. 0606.3.7
Represent Functions - seven slide PowerPoint show illustrating various representations; using models, tables, graphs, and equations - effective use of animation
Represent Patterns - Represent patterns using words, graphs, and simple symbolic notation. 0606.3.8
Ordered Pairs - Understand that in an ordered pair (x, y), the x represents horizontal location and y represents vertical location. 0606.3.10
Catch the Fly - Use the keyboard to enter the x and y values of an ordered pair to help the fly catch a bug. No score is kept, each question is essentially a one question game.
Coordinate Geometry - introduction, explanation, examples and practice problems
Coordinate Plane Practice - students type ordered pairs in the blocks on this interactive PowerPoint show
Create a Haunted House...if you dare! - Follow directions to sharpen your graphing skills, create a cool haunted house and then morph it using math.
General Coordinates Game - Students investigate the Cartesian coordinate system through identifying the coordinates of points, or requesting that a particular point be plotted.
Graphing Applet - interactive site which identifies the ordered pairs of points students click on
Simple Coordinates Game - Students investigate the first quadrant of the Cartesian coordinate system through identifying the coordinates of points, or requesting that a particular point be plotted.
Simple Maze Game - Students investigate the first Quadrant of the Cartesian coordinate system by directing a robot through a mine field laid out on the plane.
Simple Maze Game - Students investigate the first quadrant of the Cartesian coordinate system by directing a robot through a mine field laid out on the plane.
Reading a Grid - Find Hurkle behind the grid. Type ordered pairs to find him
Stock the Shelves - You have two minutes to put the soda bottles in their correct places on the coordinate plane. or
What's the Point? - a coordinate plane game from Funbrain.com (use the hardest level)
Identify Quadrant - Identify the quadrant of the coordinate system in which a point lies. 0606.3.11
Worksheet Generator - Print your own blank coordinate plane worksheets, you determine the number of grids on a sheet and whether the grids are numbered or not.
Order of Operations - Try a workout of 10 problems. If you get at least 8 correct on your first attempt, then you're ready to move on. If not, review "In Depth" and try again.
Linear Equations in one Variable - Quia game quiz which asks students to solve one- and two-step linear equations and simple algebraic proportions as they work toward winning $1,000,000.
Linear Equations Review - Study the Examples provided to see the strategies used to solve various 1 and 2 step linear equations. The Algebra Tiles Practice activity will create the question, show the intermediate step(s), provide the answer to the equation and show how to verify the answer
Patterns - Use algebraic expressions and properties to analyze numeric and geometric patterns. SPI 0606.3.7
Algebraic Reasoning Using Weighing Scales - Learn how to think algebraically with these clever weighing scales. Levels 1 and 2 contain two scales. Level 3 is more difficult and has three scales. Your goal is to determine the weight of one or more of the objects.
Mystery Operations - In this activity the computer makes up a mystery operation, and you have to figure out what the operation is. You give the computer two numbers to calculate, and it tells you the answer.
Number Cracker - Guess what number comes next in the pattern?
Number Cruncher - Lists input and output in a table and will not let the user attempt to guess the rule on without at least having two data points.
Contextual Situation - Select the qualitative graph that models a contextual situation (e.g., water filling then draining from a bathtub). SPI 0606.3.8
The Hot Tub - This is a fun activity where students tell the story behind a graph and relate slope to rate of change.
Graph Ordered Pairs - Graph ordered pairs of integers in all four quadrants of the Cartesian coordinate system. SPI 0606.3.9
Catch the Fly - Use the keyboard to enter the x and y values of an ordered pair to help the fly catch a bug. No score is kept, each question is essentially a one question game.
Coordinate Geometry - introduction, explanation, examples and practice problems
Coordinate Plane Practice - students type ordered pairs in the blocks on this interactive PowerPoint show
Create a Haunted House...if you dare! - Follow directions to sharpen your graphing skills, create a cool haunted house and then morph it using math.
General Coordinates Game - Students investigate the Cartesian coordinate system through identifying the coordinates of points, or requesting that a particular point be plotted.
Graphing Applet - interactive site which identifies the ordered pairs of points students click on
Simple Coordinates Game - Students investigate the first quadrant of the Cartesian coordinate system through identifying the coordinates of points, or requesting that a particular point be plotted.
Simple Maze Game - Students investigate the first Quadrant of the Cartesian coordinate system by directing a robot through a mine field laid out on the plane.
Simple Maze Game - Students investigate the first quadrant of the Cartesian coordinate system by directing a robot through a mine field laid out on the plane.
Reading a Grid - Find Hurkle behind the grid. Type ordered pairs to find him
Stock the Shelves - You have two minutes to put the soda bottles in their correct places on the coordinate plane. or
What's the Point? - a coordinate plane game from Funbrain.com (use the hardest level)
Worksheet Generator - Print your own blank coordinate plane worksheets, you determine the number of grids on a sheet and whether the grids are numbered or not.
Squaring the Triangle - learn about how the Pythagorean Theorem works, through investigating the standard geometric proof. Parameters: Sizes of the legs of the triangle.
Triangle Calculator - Enter values three of the six sides and angles of the triangle and the other three values will be computed. The number of significant values entered will determine the number of significant figures in the results.
Triangle Explorer - Students learn about areas of triangles and about the Cartesian coordinate system through experimenting with triangles drawn on a grid.
Triangle Identification - identify the triangle given its angles - instruction and review, practice, and a quiz and
Triangle Identification - identify the triangle given its number of sides - instruction and review, practice, and a quiz and
Triangles Side-By-Side - use geometric vocabulary to describe properties of triangles (Author - Carolyn Garner)
Squaring the Triangle - Students learn about how the Pythagorean Theorem works, through investigating the standard geometric proof. Parameters: Sizes of the legs of the triangle.
Use Protractor or Ruler - Verify the basic properties of triangles and quadrilaterals using a protractor and ruler. 0606.4.3
Measuring Angles - [designed for 6th grade] use a virtual protractor
Measuring Angles - [designed for 7th grade] quiz with virtual protractor
Protractor - learn how to position and read a protractor in order to measure an angle, and how to use either scale on the protractor or
Classify Triangles - Classify triangles by side lengths (scalene, isosceles, and equilateral) and angle measure (acute, right, obtuse, isosceles and equiangular). 0606.4.4
Acute One Or An Obtuse One? - [grades 5-8] six page worksheet to print and use in class [this link points to an archived file provided by the Wayback Machine. This site is blocked by some filters so you might want to download a copy at home]
Triangle Explorer - Students learn about areas of triangles and about the Cartesian coordinate system through experimenting with triangles drawn on a grid.
Triangles Side-By-Side - use geometric vocabulary to describe properties of triangles (Author - Carolyn Garner)
The Triangle Inequality Theorem - explanation that any side of a triangle is always shorter than the sum of the other two sides - includes an interactive java applet or
Pete's Polygons - Students learn about closed figures called polygons. (Author - Paulette Boggs)
Polygon Playground - arrange designs with movable polygons - hundreds of polygons to drag anywhere you want or
Transformations - Work with transformations in a plane and explore their meanings through drawings and manipulatives. 0606.4.7
Cube - Find out which colors will be on opposite faces of a cube whose faces are shown unfolded.
Flip, Slide, or Turn - six flash movies allow you to watch the path an object takes while it is being transformed
Flips, Slides, and Turns - a manipulative which allows you to view the effect of applying reflection, translation, and rotation transformations or
Mathematical Movements (Flips, Slides and Turns) - [designed for 3rd grade] a 25 page lesson with printables [this link points to an archived file provided by the Wayback Machine. This site is blocked by some filters so you might want to download a copy at home]
Mathsnet Transformations - interactive site. a collection of approaches to this topic to offer you a choice. All require Java and a recent browser.
Transformations - [designed for 7th grade] how to identify, describe, perform, and analyze transformations involving translations, reflections, and rotations
Transformations - [designed for 7th grade] a 21 slide PowerPoint show produced by Holt, Rinehart and Winston
Transformations - a Flash movie which demonstrates flips, slides, and turns
Transformations and Symmetry - many good examples on this Math Art Connections page includes a student project assignment at the end
Wrapping Paper Patterns - decide which figures would result from a flip, a slide, or a turn (Author - Paulette Boggs)
Scaling or Dilation - Understand scaling, dilation and their relation to similarity. 0606.4.8
Explore Dilation - Drag the red points to explore dilation in the dynamic diagram. To reset to the original settings, type the letter "R" on the keyboard or
Geoboard - use this interactive applet to investigate similarity - from the National Library of Virtual Manipulatives or
Pi - explanation from Wikipedia including an excellent animation at the top of the page
Pi - Derive the meaning of Pi using concrete models and/or appropriate technology. 0606.4.12
Calculating Pi - activity using string, meter stick and several types of cylindrical containers
The Magic Circle - activity using coffee can lids, string and rulers
Understanding Pi - Understand the relationships among the radius, diameter, circumference and area of a circle, and that the ratio of the circumference to the diameter is the same as the ratio of the area to the square of the radius, and that this ratio is called Pi. 0606.4.13
Area - Relate the area of a trapezoid to the area of a parallelogram. 0606.4.14
Finding the Area of Parallelograms - an Illuminations activity where students use their knowledge of rectangles to discover the area formula for parallelograms
Finding the Area of Trapezoids - an Illuminations activity where students can review the area formula for trapezoids, as well as explore alternative methods for calculating the area of a trapezoid
Length - Find lengths given areas or volumes, and vice versa.
0606.4.15
Shape Area and Volume Quiz - use a pen and paper to clearly work your way through the questions in the usual manner before entering your solutions
Contextual Problems - Solve contextual problems involving area and circumference of circles, surface areas and volumes of prisms, pyramids, cones, and cylinders. 0606.4.16
Manipulatives - Use manipulatives to discover the volume of a pyramid is one-third the volume of the related prism (the heights and base areas are equal). 0606.4.17
Volume of Cone - Use manipulatives to discover the volume of a cone is one-third the volume of the related cylinder (the heights and base areas are equal). 0606.4.18
Geometric Shapes - Identify, define or describe geometric shapes given a visual representation or a written description of its properties. SPI 0606.4.1
The Triangle Inequality Theorem - explanation that any side of a triangle is always shorter than the sum of the other two sides – includes an interactive java applet or
Probability as Ratio - Identify the probability of an event as the ratio of the number of its actual occurrences to the total number of its possible occurrences. 0606.5.2
Understanding Experimental Probability - Experiment with experimental probability using a fixed size section spinner, a variable section spinner, 2 regular 6-sided number cubes or design your own number cubes.
Estimate Probability - Estimate the probability of simple and compound events through experimentation or simulation. 0606.5.6
Leap Frog - design an experiment to answer a question, collect information, and interpret the results using charts (Author - Michaél Dunnivant)
Me Too Probability - use a tree diagram to display possible outcomes of who will come to the party (Author - Michaél Dunnivant)
On Stage Probability - use tree diagrams to display the possible outcomes of casting a play (Author - Michaél Dunnivant)
What are Your Chances - What many people refer to as 'good luck' can actually be explained by a little knowledge about probability and statistics. Our dice game allows you to see how increasing or decreasing the number of dice rolls effects an outcome.
Who Will Probably? - use problem-solving steps and a tree diagram to display possible outcomes and make predictions (Author - Michaél Dunnivant)
Calculate Probability - Apply procedures to calculate the probability of complimentary events. 0606.5.7
Coin Flip - this coin flipper builds a column graph one flip at time - let your students see the progression as data is generated and collected
Graphical Representations of Data - Connect data sets and their graphical representations (such as bar graphs, circle, graphs, and stem-and-leaf plots). 0606.5.8
Bar Graph - Enter data to create a bar graph, then manipulate the graph's maximum and minimum values
Circle Graph - Enter data categories and the value of each category to create a circle graph (similar to "Pie Chart" but the user can define the data set)
Data Interpretation Games - Numerous activities on using and interpreting data - Activities include bar, pie and line graphs, data collecting and much more
Data Picking - students collect data, enter tally marks or numbers and then select which graph is appropriate
Fun and Sun Rent-a-Car - students use tables, graphs, linear functions to solve a real-world problem
Graphing Skills - What's the point? find the point on the grid
Heads I Win - predict the likelihood of tossing heads or tails and graphs the results of coin tosses (Author - Michaél Dunnivant)
The Hot Tub - This is a fun activity where students tell the story behind a graph and relate slope to rate of change.
Interpreting Data - survey a small group by clicking on each of the children, turn the tally marks into two types of graphs and then go back and take a different survey
Let the Games Begin - Olympic Trials in Data Analysis - [Note - This 29 page document is from the Internet Archive provided by the Wayback Machine. Many school filters block the archive so you might want to print this at home.]
Long Distance Airplanes - a stem-and-leaf plot lesson from Illuminations (rated 3rd-5th grade, but quite useful)
Make a Stem-and-Leaf plot of the data you enter into the text area (ignore the warning about Internet Explorer, it works fine).
Exploring Histograms - The interactive data analysis tool in this investigation allows students to create their own sets of data and examine how various statistical functions such as mean, median, and standard deviation depend on the choice of data.
Interactive Histogram - use pre-selected data sets or have your students enter their own data
Theoretical Probability - Determine the theoretical probability of simple and compound events in familiar
contexts. SPI 0606.5.1
Coin Flip - this coin flipper builds a column graph one flip at time - let your students see the progression as data is generated and collected
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 data set)
What are Your Chances - What many people refer to as 'good luck' can actually be explained by a little knowledge about probability and statistics. This dice game allows you to see how increasing or decreasing the number of dice rolls effects an outcome.
Misleading Graphs - Identify features of graphs that may be misleading. SPI 0606.5.2
Class Interval - how to make the same data appear to support two different positions
CNN posted misleading graph - poll results on Schiavo case - graph as presented and how it should have been shown
Examples of Bad Graphs - examples are linked and students are asked to identify some of the problems with these graphs
Goosed Up Graphics - making things appear to be `better' than they are by fiddling with the scales
Have Something to Say - "Knowin' all the words in the dictionary ain't gonna help if you got nuttin' to say" - a quote from Blind Lemon Jefferson, the great blues musician
The Lie Factor - the ratio of the size of an effect shown in the graphic is not proportional to the size of the effect in the data
Missed Opportunities - some important information was there, but the graph maker missed it
Bias - Determine whether or not a sample is biased. SPI 0606.5.3
Biased Sample - also known as: Biased Statistics, Loaded Sample, Prejudiced Statistics, Prejudiced Sample, Loaded Statistics, Biased Induction, Biased Generalization (3 good examples at the bottom of the page)
The FCAT Sample Test Books are designed to help students become familiar with FCAT (Florida) by providing helpful hints and offering practice answering questions in different formats. Half of this document is math and half is reading. [this link points to an archived file provided by the Wayback Machine. This site is blocked by some filters so you might want to download a copy at home]
Junior High Math Interactives - includes interactive math activities, print activities, learning strategies, and videos that illustrate how math is used in everyday life.
Math Olympics - Answer 20 multiple choice questions correctly to win the Math Olympics. Topics range from basic computation and general math knowledge to word problems with percentages, ratios, and fractions.
Math TV: Video Word Problems - [Grades 5+] Math TV is a project whose goal is to help middle school students learn how to solve challenging word problems. Each of the nineteen math problems comes with step by step video solution, follow up problems, an online calculator, and sketch pad.
MathVids - a web site providing high quality, instructional, free math videos to middle school, high school, and college students who need math help
Ms. Lindquist: The Tutor - A free, web-delivered, intelligent tutoring system for tutoring students in writing expressions for algebra word problems. This site is sponsored by NSF.
Solve It! - Math Videos provide problem solving practice for students in grades 3 to 6. Each of the thirteen sets contain five multi step word problems with step by step video solutions. Concepts include basic operations, algebraic reasoning, money, fractions, percent, perimeter, area, proportional reasoning, and measurement.
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