Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 34 − 73 by rounding each number to the nearest 10: ______
- Estimate 36 + 44 by rounding each number to the nearest 10: ______
- Estimate 79 − 64 by rounding each number to the nearest 10: ______
- Estimate 73 − 36 by rounding each number to the nearest 10: ______
- Estimate 54 − 74 by rounding each number to the nearest 10: ______
- Estimate 37 − 26 by rounding each number to the nearest 10: ______
- Estimate 31 + 81 by rounding each number to the nearest 10: ______
- Estimate 80 − 89 by rounding each number to the nearest 10: ______
- Estimate 29 − 74 by rounding each number to the nearest 10: ______
- Estimate 27 + 79 by rounding each number to the nearest 10: ______
- Estimate 79 + 22 by rounding each number to the nearest 10: ______
- Estimate 37 + 84 by rounding each number to the nearest 10: ______
- Estimate 78 − 85 by rounding each number to the nearest 10: ______
- Estimate 57 − 27 by rounding each number to the nearest 10: ______
- Estimate 64 − 59 by rounding each number to the nearest 10: ______
- Estimate 72 − 22 by rounding each number to the nearest 10: ______
- Estimate 74 + 87 by rounding each number to the nearest 10: ______
- Estimate 84 + 57 by rounding each number to the nearest 10: ______
- Estimate 86 − 62 by rounding each number to the nearest 10: ______
- Estimate 74 + 45 by rounding each number to the nearest 10: ______