## Estimation - CCSS 4.OA.3

## Links verified on 02/21/2021

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 Differences (Word Problems).

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Estimate differences in word problems. (4 Levels) SEE MORE

4. Estimate Differences.

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Estimate the difference by rounding each number to the nearest 10 and then subtracting. (4 Levels) SEE MORE

5. Estimate Products Up to 100,000.

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Use estimation to solve multiplication problems. (4 Levels) SEE MORE

6. Estimate Quotients Up to 10,000.

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When estimating use greater than or less than signs to make the sentence true. (4 Levels) SEE MORE

7. Estimate Sums (Up to 100,000).

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Practice estimating to find the sums. (4 Levels) SEE MORE

8. Estimate Sums (Word Problems).

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Choose the best estimated answer to each word problem. (4 Levels) SEE MORE

9. Estimating Sums to 1000.

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This activity requires students to estimate sums to 1000. Immediate feedback is given. SEE MORE

10. Estimation Valley Golf.

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

11. 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

12. 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

13. Hot Stuff!

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Estimate temperatures using a Fahrenheit thermometer. SEE MORE

14. Let's Go Shopping.

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

15. Maximum Capacity.

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Play the role of an elevator attendant who must bring as many gorillas as possible to the eighth floor for the annual Gorilla’s Ball at the Jungle Hotel! The only problem is, the doors to the ball close in three minutes, and there are still hundreds of anxious gorillas waiting. SEE MORE

16. 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

17. Round About.

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

18. Rounding and Estimating.

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

19. Soccer Math.

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Practice estimating sums, differences, products and quotients. There are different levels of difficulty in each exercise making the game appropriate for a variety of students. The game offers a fun penalty shot feature after players get five correct in-a-row. SEE MORE

20. That's Right.

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

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