Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 84 − 67 by rounding each number to the nearest 10: ______
- Estimate 64 − 50 by rounding each number to the nearest 10: ______
- Estimate 66 + 37 by rounding each number to the nearest 10: ______
- Estimate 50 + 40 by rounding each number to the nearest 10: ______
- Estimate 62 + 87 by rounding each number to the nearest 10: ______
- Estimate 64 + 74 by rounding each number to the nearest 10: ______
- Estimate 53 + 32 by rounding each number to the nearest 10: ______
- Estimate 87 + 78 by rounding each number to the nearest 10: ______
- Estimate 81 − 58 by rounding each number to the nearest 10: ______
- Estimate 65 + 57 by rounding each number to the nearest 10: ______
- Estimate 83 + 31 by rounding each number to the nearest 10: ______
- Estimate 81 − 38 by rounding each number to the nearest 10: ______
- Estimate 36 − 72 by rounding each number to the nearest 10: ______
- Estimate 63 + 46 by rounding each number to the nearest 10: ______
- Estimate 77 + 37 by rounding each number to the nearest 10: ______
- Estimate 86 − 72 by rounding each number to the nearest 10: ______
- Estimate 32 − 41 by rounding each number to the nearest 10: ______
- Estimate 38 − 28 by rounding each number to the nearest 10: ______
- Estimate 33 + 89 by rounding each number to the nearest 10: ______
- Estimate 58 − 81 by rounding each number to the nearest 10: ______