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## Estimation - CCSS 4.OA.3

## Links verified on 10/09/2016

1. Be a Scientist!

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Estimate temperatures using a Celsius thermometer SEE MORE

2. Comparison Estimator.

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This activity allows the user to understand the estimation process by comparing two objects. Students can choose to compare the length of two lines, the area of two shapes, or the number of objects on each side. SEE MORE

3. Estimate

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(use as a whole class activity) Select a range, display tick marks and estimate before revealing the answer. SEE MORE

4. Estimation Valley Golf.

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Estimate answers to problems and putt your way into a championship! SEE MORE

5. Estimator.

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This activity allows the user to develop their estimation skills in 1 and 2 dimensions as well as estimating the number of individual objects. SEE MORE

6. Guess the Number.

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Develop your skills in halving and estimation. SEE MORE

7. Home Run Derby Math.

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You don't have time to add, just estimate the correct answer. [addition, subtraction, or multiplication] SEE MORE

8. Hot Stuff!

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Estimate temperatures using a Fahrenheit thermometer. SEE MORE

9. Let's Go Shopping.

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Estimate by rounding to the nearest dollar as they shop. SEE MORE

10. More or Less Estimator.

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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. This activity allows the user to learn about the estimation process. Students can choose to estimate the length of a line, the area of a shape, or the number of objects in the box. SEE MORE

11. Round About.

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Introduction to rounding numbers. Great for students who are having difficulty with this skill. SEE MORE

12. Rounding and Estimating.

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Numerous practice lessons and exercises for rounding and estimating numbers and decimals. SEE MORE

13. Rounding Off.

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A fun game to practice rounding. Choose a level and round off numbers to significant figures, decimals places or the nearest 10, 100 or 1000. Shockwave required for this website. SEE MORE

14. That's Right.

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Estimate measurements in real-world problems using money. SEE MORE

15. Weigh the Wangdoodles.

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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 SEE MORE

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