Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 89 + 27 by rounding each number to the nearest 10: ______
- Estimate 72 − 25 by rounding each number to the nearest 10: ______
- Estimate 87 + 25 by rounding each number to the nearest 10: ______
- Estimate 53 + 54 by rounding each number to the nearest 10: ______
- Estimate 47 − 76 by rounding each number to the nearest 10: ______
- Estimate 23 + 29 by rounding each number to the nearest 10: ______
- Estimate 52 + 46 by rounding each number to the nearest 10: ______
- Estimate 54 − 56 by rounding each number to the nearest 10: ______
- Estimate 70 − 46 by rounding each number to the nearest 10: ______
- Estimate 85 − 36 by rounding each number to the nearest 10: ______
- Estimate 66 − 41 by rounding each number to the nearest 10: ______
- Estimate 24 − 72 by rounding each number to the nearest 10: ______
- Estimate 80 − 57 by rounding each number to the nearest 10: ______
- Estimate 33 + 25 by rounding each number to the nearest 10: ______
- Estimate 51 − 73 by rounding each number to the nearest 10: ______
- Estimate 65 + 31 by rounding each number to the nearest 10: ______
- Estimate 56 − 54 by rounding each number to the nearest 10: ______
- Estimate 24 + 32 by rounding each number to the nearest 10: ______
- Estimate 48 + 62 by rounding each number to the nearest 10: ______
- Estimate 36 + 58 by rounding each number to the nearest 10: ______