Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 22 − 87 by rounding each number to the nearest 10: ______
- Estimate 63 − 72 by rounding each number to the nearest 10: ______
- Estimate 32 − 71 by rounding each number to the nearest 10: ______
- Estimate 67 + 83 by rounding each number to the nearest 10: ______
- Estimate 48 + 48 by rounding each number to the nearest 10: ______
- Estimate 80 − 82 by rounding each number to the nearest 10: ______
- Estimate 34 − 86 by rounding each number to the nearest 10: ______
- Estimate 61 − 78 by rounding each number to the nearest 10: ______
- Estimate 71 + 47 by rounding each number to the nearest 10: ______
- Estimate 56 − 42 by rounding each number to the nearest 10: ______
- Estimate 26 − 84 by rounding each number to the nearest 10: ______
- Estimate 32 + 66 by rounding each number to the nearest 10: ______
- Estimate 53 + 39 by rounding each number to the nearest 10: ______
- Estimate 65 − 36 by rounding each number to the nearest 10: ______
- Estimate 32 + 41 by rounding each number to the nearest 10: ______
- Estimate 74 − 72 by rounding each number to the nearest 10: ______
- Estimate 28 − 44 by rounding each number to the nearest 10: ______
- Estimate 38 − 24 by rounding each number to the nearest 10: ______
- Estimate 89 − 62 by rounding each number to the nearest 10: ______
- Estimate 33 − 56 by rounding each number to the nearest 10: ______