Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 62 + 28 by rounding each number to the nearest 10: ______
- Estimate 65 + 41 by rounding each number to the nearest 10: ______
- Estimate 68 + 78 by rounding each number to the nearest 10: ______
- Estimate 67 + 52 by rounding each number to the nearest 10: ______
- Estimate 62 − 69 by rounding each number to the nearest 10: ______
- Estimate 53 + 88 by rounding each number to the nearest 10: ______
- Estimate 28 − 57 by rounding each number to the nearest 10: ______
- Estimate 49 − 76 by rounding each number to the nearest 10: ______
- Estimate 47 + 71 by rounding each number to the nearest 10: ______
- Estimate 40 − 68 by rounding each number to the nearest 10: ______
- Estimate 54 + 46 by rounding each number to the nearest 10: ______
- Estimate 27 − 41 by rounding each number to the nearest 10: ______
- Estimate 37 + 81 by rounding each number to the nearest 10: ______
- Estimate 76 + 51 by rounding each number to the nearest 10: ______
- Estimate 33 + 88 by rounding each number to the nearest 10: ______
- Estimate 73 − 65 by rounding each number to the nearest 10: ______
- Estimate 76 + 63 by rounding each number to the nearest 10: ______
- Estimate 33 + 83 by rounding each number to the nearest 10: ______
- Estimate 27 + 80 by rounding each number to the nearest 10: ______
- Estimate 73 + 71 by rounding each number to the nearest 10: ______