Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 35 − 26 by rounding each number to the nearest 10: ______
- Estimate 75 − 83 by rounding each number to the nearest 10: ______
- Estimate 56 + 53 by rounding each number to the nearest 10: ______
- Estimate 84 − 85 by rounding each number to the nearest 10: ______
- Estimate 64 − 31 by rounding each number to the nearest 10: ______
- Estimate 64 + 22 by rounding each number to the nearest 10: ______
- Estimate 63 + 58 by rounding each number to the nearest 10: ______
- Estimate 58 + 52 by rounding each number to the nearest 10: ______
- Estimate 34 − 28 by rounding each number to the nearest 10: ______
- Estimate 86 + 31 by rounding each number to the nearest 10: ______
- Estimate 45 − 79 by rounding each number to the nearest 10: ______
- Estimate 71 − 89 by rounding each number to the nearest 10: ______
- Estimate 24 + 46 by rounding each number to the nearest 10: ______
- Estimate 71 + 43 by rounding each number to the nearest 10: ______
- Estimate 55 + 58 by rounding each number to the nearest 10: ______
- Estimate 31 − 69 by rounding each number to the nearest 10: ______
- Estimate 89 − 21 by rounding each number to the nearest 10: ______
- Estimate 47 + 47 by rounding each number to the nearest 10: ______
- Estimate 80 + 62 by rounding each number to the nearest 10: ______
- Estimate 31 + 87 by rounding each number to the nearest 10: ______