Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 39 − 24 by rounding each number to the nearest 10: ______
- Estimate 76 + 66 by rounding each number to the nearest 10: ______
- Estimate 39 + 59 by rounding each number to the nearest 10: ______
- Estimate 72 + 24 by rounding each number to the nearest 10: ______
- Estimate 33 − 27 by rounding each number to the nearest 10: ______
- Estimate 77 + 71 by rounding each number to the nearest 10: ______
- Estimate 32 + 64 by rounding each number to the nearest 10: ______
- Estimate 67 + 28 by rounding each number to the nearest 10: ______
- Estimate 65 + 56 by rounding each number to the nearest 10: ______
- Estimate 76 + 65 by rounding each number to the nearest 10: ______
- Estimate 48 − 53 by rounding each number to the nearest 10: ______
- Estimate 22 − 33 by rounding each number to the nearest 10: ______
- Estimate 84 − 59 by rounding each number to the nearest 10: ______
- Estimate 51 − 60 by rounding each number to the nearest 10: ______
- Estimate 45 − 82 by rounding each number to the nearest 10: ______
- Estimate 84 + 37 by rounding each number to the nearest 10: ______
- Estimate 70 + 77 by rounding each number to the nearest 10: ______
- Estimate 78 + 38 by rounding each number to the nearest 10: ______
- Estimate 44 − 73 by rounding each number to the nearest 10: ______
- Estimate 30 − 26 by rounding each number to the nearest 10: ______