Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 69 − 88 by rounding each number to the nearest 10: ______
- Estimate 76 − 55 by rounding each number to the nearest 10: ______
- Estimate 88 − 65 by rounding each number to the nearest 10: ______
- Estimate 44 − 24 by rounding each number to the nearest 10: ______
- Estimate 54 − 56 by rounding each number to the nearest 10: ______
- Estimate 69 + 21 by rounding each number to the nearest 10: ______
- Estimate 40 − 79 by rounding each number to the nearest 10: ______
- Estimate 87 − 59 by rounding each number to the nearest 10: ______
- Estimate 44 − 35 by rounding each number to the nearest 10: ______
- Estimate 63 − 61 by rounding each number to the nearest 10: ______
- Estimate 31 − 81 by rounding each number to the nearest 10: ______
- Estimate 53 − 73 by rounding each number to the nearest 10: ______
- Estimate 71 − 23 by rounding each number to the nearest 10: ______
- Estimate 52 − 43 by rounding each number to the nearest 10: ______
- Estimate 56 + 44 by rounding each number to the nearest 10: ______
- Estimate 81 − 33 by rounding each number to the nearest 10: ______
- Estimate 61 − 49 by rounding each number to the nearest 10: ______
- Estimate 82 + 27 by rounding each number to the nearest 10: ______
- Estimate 57 − 38 by rounding each number to the nearest 10: ______
- Estimate 73 − 37 by rounding each number to the nearest 10: ______