Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 31 + 27 by rounding each number to the nearest 10: ______
- Estimate 50 − 42 by rounding each number to the nearest 10: ______
- Estimate 27 − 78 by rounding each number to the nearest 10: ______
- Estimate 56 − 84 by rounding each number to the nearest 10: ______
- Estimate 54 + 39 by rounding each number to the nearest 10: ______
- Estimate 71 + 37 by rounding each number to the nearest 10: ______
- Estimate 57 − 48 by rounding each number to the nearest 10: ______
- Estimate 41 − 79 by rounding each number to the nearest 10: ______
- Estimate 50 − 34 by rounding each number to the nearest 10: ______
- Estimate 82 − 87 by rounding each number to the nearest 10: ______
- Estimate 86 − 63 by rounding each number to the nearest 10: ______
- Estimate 88 + 62 by rounding each number to the nearest 10: ______
- Estimate 63 + 34 by rounding each number to the nearest 10: ______
- Estimate 34 − 43 by rounding each number to the nearest 10: ______
- Estimate 57 + 69 by rounding each number to the nearest 10: ______
- Estimate 52 + 71 by rounding each number to the nearest 10: ______
- Estimate 47 + 82 by rounding each number to the nearest 10: ______
- Estimate 26 + 56 by rounding each number to the nearest 10: ______
- Estimate 38 + 62 by rounding each number to the nearest 10: ______
- Estimate 38 + 78 by rounding each number to the nearest 10: ______