Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 26 + 65 by rounding each number to the nearest 10: ______
- Estimate 44 − 83 by rounding each number to the nearest 10: ______
- Estimate 74 − 53 by rounding each number to the nearest 10: ______
- Estimate 57 + 68 by rounding each number to the nearest 10: ______
- Estimate 62 − 86 by rounding each number to the nearest 10: ______
- Estimate 24 + 61 by rounding each number to the nearest 10: ______
- Estimate 68 − 42 by rounding each number to the nearest 10: ______
- Estimate 77 + 65 by rounding each number to the nearest 10: ______
- Estimate 64 + 31 by rounding each number to the nearest 10: ______
- Estimate 22 + 85 by rounding each number to the nearest 10: ______
- Estimate 21 − 44 by rounding each number to the nearest 10: ______
- Estimate 51 + 44 by rounding each number to the nearest 10: ______
- Estimate 29 + 84 by rounding each number to the nearest 10: ______
- Estimate 76 − 87 by rounding each number to the nearest 10: ______
- Estimate 35 + 42 by rounding each number to the nearest 10: ______
- Estimate 21 − 32 by rounding each number to the nearest 10: ______
- Estimate 33 − 83 by rounding each number to the nearest 10: ______
- Estimate 54 + 24 by rounding each number to the nearest 10: ______
- Estimate 42 − 32 by rounding each number to the nearest 10: ______
- Estimate 82 − 49 by rounding each number to the nearest 10: ______