Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 58 + 76 by rounding each number to the nearest 10: ______
- Estimate 29 − 47 by rounding each number to the nearest 10: ______
- Estimate 57 + 69 by rounding each number to the nearest 10: ______
- Estimate 51 − 88 by rounding each number to the nearest 10: ______
- Estimate 79 − 60 by rounding each number to the nearest 10: ______
- Estimate 62 + 61 by rounding each number to the nearest 10: ______
- Estimate 72 − 89 by rounding each number to the nearest 10: ______
- Estimate 69 + 29 by rounding each number to the nearest 10: ______
- Estimate 68 + 55 by rounding each number to the nearest 10: ______
- Estimate 76 − 23 by rounding each number to the nearest 10: ______
- Estimate 53 + 24 by rounding each number to the nearest 10: ______
- Estimate 81 + 76 by rounding each number to the nearest 10: ______
- Estimate 79 − 87 by rounding each number to the nearest 10: ______
- Estimate 32 + 30 by rounding each number to the nearest 10: ______
- Estimate 31 + 60 by rounding each number to the nearest 10: ______
- Estimate 51 + 71 by rounding each number to the nearest 10: ______
- Estimate 46 − 38 by rounding each number to the nearest 10: ______
- Estimate 37 − 86 by rounding each number to the nearest 10: ______
- Estimate 43 + 66 by rounding each number to the nearest 10: ______
- Estimate 85 − 44 by rounding each number to the nearest 10: ______