Explore different methods of estimation including rounding and truncating. 0506.1.3

Links verified on 9/13/2014

1. Comparison Estimator - Similar to Estimator but compares two sets of objects.
2. Estimate - (use as a whole class activity) Select a range, display tick marks and estimate before revealing the answer.
3. Estimation Valley Golf - estimate the distance to the hole using number computation.
4. Estimating by Rounding - Addition with regrouping - instruction and review, practice, and a quiz and
5. Estimating by Rounding - Subtraction with regrouping - instruction and review, practice, and a quiz and
6. Estimator - Practice estimation skills by determining the number of objects, length, or area. (parameters: error tolerance)
7. Guess the Number - developing skills in halving and estimation
8. Half Court Rounding - Round the number at the bottom of the page. Then, click enter. If you are correct, your character will make the basket. If you are wrong, he will miss. Try to get the highest score possible in 90 seconds.
9. Home Run Derby Math - you don't have time to add, just estimate the correct answer [addition, subtraction, or multiplication]
10. Let's Go Shopping - estimate by rounding to the nearest dollar as they shop
11. 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.
12. 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.
13. Pinocchio estimation game - suggested game for developing the skill of estimation
14. Round About - estimate by rounding
15. Rounding Off - Three levels are available in this game from BBC Education
16. Spy Guys Interactive - Rounding Numbers - interactive video lesson
17. That's Right - estimate measurements in real-world problems using money
18. 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.

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