Estimating Differences Worksheet
A Grade 5 Math worksheet focusing on estimating differences using rounding strategies.
Includes
Standards
Topics
Estimating Differences
Name:
Date:
Score:
Read each question carefully and estimate the difference by rounding to the nearest hundred or thousand as indicated. Show your work.
Estimate the difference by rounding each number to the nearest hundred.
1. 789 - 215 ≈
2. 532 - 198 ≈
3. 912 - 378 ≈
4. 645 - 280 ≈
Choose the best estimate for the difference by rounding each number to the nearest thousand.
5. 8,125 - 3,987
4,000
5,000
6,000
7,000
6. 12,678 - 7,234
4,000
5,000
6,000
7,000
7. A library has 4,567 fiction books and 2,198 non-fiction books. About how many more fiction books are there than non-fiction books? Round to the nearest hundred to estimate.
8. A farmer harvested 9,876 apples and sold 5,123 of them. Estimate how many apples are left by rounding to the nearest thousand.
Decide if the following statements are true or false.
9. The estimated difference of 678 and 321 (rounded to the nearest hundred) is 400.
True
False
10. Rounding 5,499 to the nearest thousand gives 5,000.
True
False
11. Use the number line to help estimate the difference between 750 and 230 by rounding to the nearest hundred.
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