Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 43 − 36 by rounding each number to the nearest 10: ______
- Estimate 64 + 82 by rounding each number to the nearest 10: ______
- Estimate 58 − 46 by rounding each number to the nearest 10: ______
- Estimate 62 − 48 by rounding each number to the nearest 10: ______
- Estimate 35 − 55 by rounding each number to the nearest 10: ______
- Estimate 69 − 86 by rounding each number to the nearest 10: ______
- Estimate 46 + 88 by rounding each number to the nearest 10: ______
- Estimate 81 + 37 by rounding each number to the nearest 10: ______
- Estimate 75 + 29 by rounding each number to the nearest 10: ______
- Estimate 43 − 87 by rounding each number to the nearest 10: ______
- Estimate 50 + 22 by rounding each number to the nearest 10: ______
- Estimate 84 − 86 by rounding each number to the nearest 10: ______
- Estimate 27 − 78 by rounding each number to the nearest 10: ______
- Estimate 45 + 88 by rounding each number to the nearest 10: ______
- Estimate 65 + 39 by rounding each number to the nearest 10: ______
- Estimate 79 + 25 by rounding each number to the nearest 10: ______
- Estimate 76 − 42 by rounding each number to the nearest 10: ______
- Estimate 45 + 70 by rounding each number to the nearest 10: ______
- Estimate 89 + 36 by rounding each number to the nearest 10: ______
- Estimate 32 + 57 by rounding each number to the nearest 10: ______