Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 60 + 41 by rounding each number to the nearest 10: ______
- Estimate 70 + 57 by rounding each number to the nearest 10: ______
- Estimate 59 − 41 by rounding each number to the nearest 10: ______
- Estimate 53 − 80 by rounding each number to the nearest 10: ______
- Estimate 59 + 50 by rounding each number to the nearest 10: ______
- Estimate 53 − 81 by rounding each number to the nearest 10: ______
- Estimate 81 + 57 by rounding each number to the nearest 10: ______
- Estimate 84 + 59 by rounding each number to the nearest 10: ______
- Estimate 85 − 30 by rounding each number to the nearest 10: ______
- Estimate 63 + 33 by rounding each number to the nearest 10: ______
- Estimate 40 − 59 by rounding each number to the nearest 10: ______
- Estimate 65 − 31 by rounding each number to the nearest 10: ______
- Estimate 64 + 36 by rounding each number to the nearest 10: ______
- Estimate 42 − 68 by rounding each number to the nearest 10: ______
- Estimate 41 + 43 by rounding each number to the nearest 10: ______
- Estimate 31 + 82 by rounding each number to the nearest 10: ______
- Estimate 86 + 58 by rounding each number to the nearest 10: ______
- Estimate 26 − 48 by rounding each number to the nearest 10: ______
- Estimate 76 + 44 by rounding each number to the nearest 10: ______
- Estimate 47 + 62 by rounding each number to the nearest 10: ______