Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 43 − 76 by rounding each number to the nearest 10: ______
- Estimate 78 + 65 by rounding each number to the nearest 10: ______
- Estimate 53 + 64 by rounding each number to the nearest 10: ______
- Estimate 55 + 24 by rounding each number to the nearest 10: ______
- Estimate 82 − 64 by rounding each number to the nearest 10: ______
- Estimate 39 + 32 by rounding each number to the nearest 10: ______
- Estimate 53 − 82 by rounding each number to the nearest 10: ______
- Estimate 23 + 40 by rounding each number to the nearest 10: ______
- Estimate 66 + 80 by rounding each number to the nearest 10: ______
- Estimate 83 − 53 by rounding each number to the nearest 10: ______
- Estimate 24 + 30 by rounding each number to the nearest 10: ______
- Estimate 60 − 25 by rounding each number to the nearest 10: ______
- Estimate 54 − 28 by rounding each number to the nearest 10: ______
- Estimate 73 + 45 by rounding each number to the nearest 10: ______
- Estimate 69 − 38 by rounding each number to the nearest 10: ______
- Estimate 88 − 68 by rounding each number to the nearest 10: ______
- Estimate 81 − 34 by rounding each number to the nearest 10: ______
- Estimate 70 + 57 by rounding each number to the nearest 10: ______
- Estimate 58 − 39 by rounding each number to the nearest 10: ______
- Estimate 70 − 36 by rounding each number to the nearest 10: ______