Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 88 + 55 by rounding each number to the nearest 10: ______
- Estimate 76 + 29 by rounding each number to the nearest 10: ______
- Estimate 37 − 86 by rounding each number to the nearest 10: ______
- Estimate 41 + 72 by rounding each number to the nearest 10: ______
- Estimate 61 + 89 by rounding each number to the nearest 10: ______
- Estimate 69 − 28 by rounding each number to the nearest 10: ______
- Estimate 72 − 86 by rounding each number to the nearest 10: ______
- Estimate 44 + 58 by rounding each number to the nearest 10: ______
- Estimate 72 + 59 by rounding each number to the nearest 10: ______
- Estimate 77 − 82 by rounding each number to the nearest 10: ______
- Estimate 42 − 84 by rounding each number to the nearest 10: ______
- Estimate 48 − 81 by rounding each number to the nearest 10: ______
- Estimate 64 − 46 by rounding each number to the nearest 10: ______
- Estimate 65 + 40 by rounding each number to the nearest 10: ______
- Estimate 48 + 62 by rounding each number to the nearest 10: ______
- Estimate 88 − 62 by rounding each number to the nearest 10: ______
- Estimate 76 − 72 by rounding each number to the nearest 10: ______
- Estimate 51 + 46 by rounding each number to the nearest 10: ______
- Estimate 59 − 23 by rounding each number to the nearest 10: ______
- Estimate 59 + 52 by rounding each number to the nearest 10: ______