Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 39 + 76 by rounding each number to the nearest 10: ______
- Estimate 72 − 77 by rounding each number to the nearest 10: ______
- Estimate 36 − 57 by rounding each number to the nearest 10: ______
- Estimate 71 + 39 by rounding each number to the nearest 10: ______
- Estimate 62 + 24 by rounding each number to the nearest 10: ______
- Estimate 71 − 86 by rounding each number to the nearest 10: ______
- Estimate 58 + 56 by rounding each number to the nearest 10: ______
- Estimate 22 + 57 by rounding each number to the nearest 10: ______
- Estimate 23 − 81 by rounding each number to the nearest 10: ______
- Estimate 35 + 73 by rounding each number to the nearest 10: ______
- Estimate 36 − 55 by rounding each number to the nearest 10: ______
- Estimate 68 + 46 by rounding each number to the nearest 10: ______
- Estimate 39 + 39 by rounding each number to the nearest 10: ______
- Estimate 71 + 74 by rounding each number to the nearest 10: ______
- Estimate 51 + 38 by rounding each number to the nearest 10: ______
- Estimate 59 − 61 by rounding each number to the nearest 10: ______
- Estimate 27 + 64 by rounding each number to the nearest 10: ______
- Estimate 41 − 39 by rounding each number to the nearest 10: ______
- Estimate 22 − 64 by rounding each number to the nearest 10: ______
- Estimate 36 + 86 by rounding each number to the nearest 10: ______