Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 71 + 46 by rounding each number to the nearest 10: ______
- Estimate 29 − 53 by rounding each number to the nearest 10: ______
- Estimate 37 + 32 by rounding each number to the nearest 10: ______
- Estimate 51 + 57 by rounding each number to the nearest 10: ______
- Estimate 74 + 57 by rounding each number to the nearest 10: ______
- Estimate 31 + 52 by rounding each number to the nearest 10: ______
- Estimate 50 − 37 by rounding each number to the nearest 10: ______
- Estimate 73 − 82 by rounding each number to the nearest 10: ______
- Estimate 82 − 37 by rounding each number to the nearest 10: ______
- Estimate 50 + 27 by rounding each number to the nearest 10: ______
- Estimate 51 − 42 by rounding each number to the nearest 10: ______
- Estimate 37 + 66 by rounding each number to the nearest 10: ______
- Estimate 62 − 27 by rounding each number to the nearest 10: ______
- Estimate 49 + 34 by rounding each number to the nearest 10: ______
- Estimate 50 − 82 by rounding each number to the nearest 10: ______
- Estimate 25 + 60 by rounding each number to the nearest 10: ______
- Estimate 73 − 29 by rounding each number to the nearest 10: ______
- Estimate 64 + 71 by rounding each number to the nearest 10: ______
- Estimate 58 − 73 by rounding each number to the nearest 10: ______
- Estimate 88 + 69 by rounding each number to the nearest 10: ______