Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 63 + 46 by rounding each number to the nearest 10: ______
- Estimate 27 − 88 by rounding each number to the nearest 10: ______
- Estimate 36 − 47 by rounding each number to the nearest 10: ______
- Estimate 59 − 62 by rounding each number to the nearest 10: ______
- Estimate 68 + 59 by rounding each number to the nearest 10: ______
- Estimate 87 + 41 by rounding each number to the nearest 10: ______
- Estimate 54 + 31 by rounding each number to the nearest 10: ______
- Estimate 49 − 77 by rounding each number to the nearest 10: ______
- Estimate 64 + 79 by rounding each number to the nearest 10: ______
- Estimate 84 + 36 by rounding each number to the nearest 10: ______
- Estimate 58 + 82 by rounding each number to the nearest 10: ______
- Estimate 54 + 62 by rounding each number to the nearest 10: ______
- Estimate 25 − 38 by rounding each number to the nearest 10: ______
- Estimate 82 + 69 by rounding each number to the nearest 10: ______
- Estimate 71 − 59 by rounding each number to the nearest 10: ______
- Estimate 47 + 86 by rounding each number to the nearest 10: ______
- Estimate 75 − 63 by rounding each number to the nearest 10: ______
- Estimate 73 − 33 by rounding each number to the nearest 10: ______
- Estimate 71 + 62 by rounding each number to the nearest 10: ______
- Estimate 62 − 75 by rounding each number to the nearest 10: ______