Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 37 + 55 by rounding each number to the nearest 10: ______
- Estimate 24 − 88 by rounding each number to the nearest 10: ______
- Estimate 83 + 39 by rounding each number to the nearest 10: ______
- Estimate 34 − 64 by rounding each number to the nearest 10: ______
- Estimate 39 + 50 by rounding each number to the nearest 10: ______
- Estimate 81 + 67 by rounding each number to the nearest 10: ______
- Estimate 71 − 54 by rounding each number to the nearest 10: ______
- Estimate 66 + 47 by rounding each number to the nearest 10: ______
- Estimate 73 − 68 by rounding each number to the nearest 10: ______
- Estimate 89 − 72 by rounding each number to the nearest 10: ______
- Estimate 68 + 88 by rounding each number to the nearest 10: ______
- Estimate 58 − 67 by rounding each number to the nearest 10: ______
- Estimate 44 − 51 by rounding each number to the nearest 10: ______
- Estimate 39 + 57 by rounding each number to the nearest 10: ______
- Estimate 54 + 38 by rounding each number to the nearest 10: ______
- Estimate 64 − 52 by rounding each number to the nearest 10: ______
- Estimate 66 + 36 by rounding each number to the nearest 10: ______
- Estimate 44 + 57 by rounding each number to the nearest 10: ______
- Estimate 89 − 40 by rounding each number to the nearest 10: ______
- Estimate 34 + 38 by rounding each number to the nearest 10: ______