Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 52 − 86 by rounding each number to the nearest 10: ______
- Estimate 73 + 72 by rounding each number to the nearest 10: ______
- Estimate 89 − 63 by rounding each number to the nearest 10: ______
- Estimate 62 + 31 by rounding each number to the nearest 10: ______
- Estimate 41 − 47 by rounding each number to the nearest 10: ______
- Estimate 46 + 37 by rounding each number to the nearest 10: ______
- Estimate 36 − 63 by rounding each number to the nearest 10: ______
- Estimate 58 + 32 by rounding each number to the nearest 10: ______
- Estimate 56 − 80 by rounding each number to the nearest 10: ______
- Estimate 29 + 82 by rounding each number to the nearest 10: ______
- Estimate 34 − 29 by rounding each number to the nearest 10: ______
- Estimate 52 − 26 by rounding each number to the nearest 10: ______
- Estimate 27 − 65 by rounding each number to the nearest 10: ______
- Estimate 76 + 82 by rounding each number to the nearest 10: ______
- Estimate 24 − 88 by rounding each number to the nearest 10: ______
- Estimate 51 + 70 by rounding each number to the nearest 10: ______
- Estimate 31 + 82 by rounding each number to the nearest 10: ______
- Estimate 27 − 35 by rounding each number to the nearest 10: ______
- Estimate 40 − 75 by rounding each number to the nearest 10: ______
- Estimate 37 + 51 by rounding each number to the nearest 10: ______