Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 55 + 60 by rounding each number to the nearest 10: ______
- Estimate 37 − 47 by rounding each number to the nearest 10: ______
- Estimate 37 − 61 by rounding each number to the nearest 10: ______
- Estimate 71 + 32 by rounding each number to the nearest 10: ______
- Estimate 75 − 42 by rounding each number to the nearest 10: ______
- Estimate 56 − 27 by rounding each number to the nearest 10: ______
- Estimate 74 − 71 by rounding each number to the nearest 10: ______
- Estimate 36 + 69 by rounding each number to the nearest 10: ______
- Estimate 55 − 77 by rounding each number to the nearest 10: ______
- Estimate 53 + 84 by rounding each number to the nearest 10: ______
- Estimate 42 + 81 by rounding each number to the nearest 10: ______
- Estimate 79 − 58 by rounding each number to the nearest 10: ______
- Estimate 40 + 29 by rounding each number to the nearest 10: ______
- Estimate 63 + 65 by rounding each number to the nearest 10: ______
- Estimate 87 − 48 by rounding each number to the nearest 10: ______
- Estimate 26 + 75 by rounding each number to the nearest 10: ______
- Estimate 32 + 77 by rounding each number to the nearest 10: ______
- Estimate 32 − 66 by rounding each number to the nearest 10: ______
- Estimate 22 + 28 by rounding each number to the nearest 10: ______
- Estimate 55 + 66 by rounding each number to the nearest 10: ______