Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 68 − 33 by rounding each number to the nearest 10: ______
- Estimate 82 + 55 by rounding each number to the nearest 10: ______
- Estimate 48 + 74 by rounding each number to the nearest 10: ______
- Estimate 48 + 32 by rounding each number to the nearest 10: ______
- Estimate 87 − 85 by rounding each number to the nearest 10: ______
- Estimate 65 + 88 by rounding each number to the nearest 10: ______
- Estimate 64 + 84 by rounding each number to the nearest 10: ______
- Estimate 79 − 48 by rounding each number to the nearest 10: ______
- Estimate 70 + 67 by rounding each number to the nearest 10: ______
- Estimate 30 − 67 by rounding each number to the nearest 10: ______
- Estimate 57 + 81 by rounding each number to the nearest 10: ______
- Estimate 56 + 49 by rounding each number to the nearest 10: ______
- Estimate 52 − 21 by rounding each number to the nearest 10: ______
- Estimate 35 + 69 by rounding each number to the nearest 10: ______
- Estimate 81 − 73 by rounding each number to the nearest 10: ______
- Estimate 55 + 25 by rounding each number to the nearest 10: ______
- Estimate 28 − 74 by rounding each number to the nearest 10: ______
- Estimate 76 + 21 by rounding each number to the nearest 10: ______
- Estimate 64 + 53 by rounding each number to the nearest 10: ______
- Estimate 28 + 46 by rounding each number to the nearest 10: ______