Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 84 − 22 by rounding each number to the nearest 10: ______
- Estimate 72 + 52 by rounding each number to the nearest 10: ______
- Estimate 78 + 58 by rounding each number to the nearest 10: ______
- Estimate 87 + 58 by rounding each number to the nearest 10: ______
- Estimate 28 + 36 by rounding each number to the nearest 10: ______
- Estimate 84 − 56 by rounding each number to the nearest 10: ______
- Estimate 34 − 75 by rounding each number to the nearest 10: ______
- Estimate 70 + 83 by rounding each number to the nearest 10: ______
- Estimate 82 + 56 by rounding each number to the nearest 10: ______
- Estimate 59 + 53 by rounding each number to the nearest 10: ______
- Estimate 31 − 51 by rounding each number to the nearest 10: ______
- Estimate 30 − 59 by rounding each number to the nearest 10: ______
- Estimate 87 − 53 by rounding each number to the nearest 10: ______
- Estimate 72 − 43 by rounding each number to the nearest 10: ______
- Estimate 71 − 81 by rounding each number to the nearest 10: ______
- Estimate 32 − 48 by rounding each number to the nearest 10: ______
- Estimate 43 + 23 by rounding each number to the nearest 10: ______
- Estimate 48 + 81 by rounding each number to the nearest 10: ______
- Estimate 61 − 37 by rounding each number to the nearest 10: ______
- Estimate 73 − 47 by rounding each number to the nearest 10: ______