Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 66 − 74 by rounding each number to the nearest 10: ______
- Estimate 53 − 81 by rounding each number to the nearest 10: ______
- Estimate 51 + 41 by rounding each number to the nearest 10: ______
- Estimate 23 + 72 by rounding each number to the nearest 10: ______
- Estimate 33 + 76 by rounding each number to the nearest 10: ______
- Estimate 69 − 84 by rounding each number to the nearest 10: ______
- Estimate 53 − 78 by rounding each number to the nearest 10: ______
- Estimate 77 − 29 by rounding each number to the nearest 10: ______
- Estimate 50 + 57 by rounding each number to the nearest 10: ______
- Estimate 22 − 75 by rounding each number to the nearest 10: ______
- Estimate 81 + 68 by rounding each number to the nearest 10: ______
- Estimate 85 − 44 by rounding each number to the nearest 10: ______
- Estimate 41 − 87 by rounding each number to the nearest 10: ______
- Estimate 43 + 47 by rounding each number to the nearest 10: ______
- Estimate 56 − 83 by rounding each number to the nearest 10: ______
- Estimate 33 + 85 by rounding each number to the nearest 10: ______
- Estimate 33 − 81 by rounding each number to the nearest 10: ______
- Estimate 41 + 32 by rounding each number to the nearest 10: ______
- Estimate 80 + 67 by rounding each number to the nearest 10: ______
- Estimate 32 − 26 by rounding each number to the nearest 10: ______