Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 31 − 71 by rounding each number to the nearest 10: ______
- Estimate 33 + 30 by rounding each number to the nearest 10: ______
- Estimate 60 − 60 by rounding each number to the nearest 10: ______
- Estimate 22 − 35 by rounding each number to the nearest 10: ______
- Estimate 85 + 71 by rounding each number to the nearest 10: ______
- Estimate 57 + 66 by rounding each number to the nearest 10: ______
- Estimate 34 − 36 by rounding each number to the nearest 10: ______
- Estimate 26 − 43 by rounding each number to the nearest 10: ______
- Estimate 88 + 73 by rounding each number to the nearest 10: ______
- Estimate 78 − 61 by rounding each number to the nearest 10: ______
- Estimate 50 − 61 by rounding each number to the nearest 10: ______
- Estimate 87 + 79 by rounding each number to the nearest 10: ______
- Estimate 80 − 52 by rounding each number to the nearest 10: ______
- Estimate 78 − 32 by rounding each number to the nearest 10: ______
- Estimate 24 + 37 by rounding each number to the nearest 10: ______
- Estimate 23 + 29 by rounding each number to the nearest 10: ______
- Estimate 34 − 34 by rounding each number to the nearest 10: ______
- Estimate 66 + 72 by rounding each number to the nearest 10: ______
- Estimate 66 − 35 by rounding each number to the nearest 10: ______
- Estimate 64 + 39 by rounding each number to the nearest 10: ______