Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 37 − 33 by rounding each number to the nearest 10: ______
- Estimate 84 + 78 by rounding each number to the nearest 10: ______
- Estimate 58 + 80 by rounding each number to the nearest 10: ______
- Estimate 52 − 49 by rounding each number to the nearest 10: ______
- Estimate 67 + 48 by rounding each number to the nearest 10: ______
- Estimate 49 + 51 by rounding each number to the nearest 10: ______
- Estimate 68 − 43 by rounding each number to the nearest 10: ______
- Estimate 69 + 75 by rounding each number to the nearest 10: ______
- Estimate 37 + 29 by rounding each number to the nearest 10: ______
- Estimate 28 + 38 by rounding each number to the nearest 10: ______
- Estimate 75 − 41 by rounding each number to the nearest 10: ______
- Estimate 87 + 85 by rounding each number to the nearest 10: ______
- Estimate 63 + 50 by rounding each number to the nearest 10: ______
- Estimate 82 − 67 by rounding each number to the nearest 10: ______
- Estimate 53 − 44 by rounding each number to the nearest 10: ______
- Estimate 73 − 62 by rounding each number to the nearest 10: ______
- Estimate 44 − 71 by rounding each number to the nearest 10: ______
- Estimate 53 + 31 by rounding each number to the nearest 10: ______
- Estimate 84 − 57 by rounding each number to the nearest 10: ______
- Estimate 78 − 78 by rounding each number to the nearest 10: ______