Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 74 − 87 by rounding each number to the nearest 10: ______
- Estimate 35 + 62 by rounding each number to the nearest 10: ______
- Estimate 80 − 53 by rounding each number to the nearest 10: ______
- Estimate 37 + 66 by rounding each number to the nearest 10: ______
- Estimate 26 + 56 by rounding each number to the nearest 10: ______
- Estimate 24 − 86 by rounding each number to the nearest 10: ______
- Estimate 76 + 70 by rounding each number to the nearest 10: ______
- Estimate 79 + 41 by rounding each number to the nearest 10: ______
- Estimate 83 − 41 by rounding each number to the nearest 10: ______
- Estimate 57 + 63 by rounding each number to the nearest 10: ______
- Estimate 81 + 37 by rounding each number to the nearest 10: ______
- Estimate 33 − 45 by rounding each number to the nearest 10: ______
- Estimate 76 − 42 by rounding each number to the nearest 10: ______
- Estimate 88 − 60 by rounding each number to the nearest 10: ______
- Estimate 60 − 56 by rounding each number to the nearest 10: ______
- Estimate 86 − 73 by rounding each number to the nearest 10: ______
- Estimate 55 − 51 by rounding each number to the nearest 10: ______
- Estimate 26 − 58 by rounding each number to the nearest 10: ______
- Estimate 55 + 55 by rounding each number to the nearest 10: ______
- Estimate 68 − 25 by rounding each number to the nearest 10: ______