Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 52 − 46 by rounding each number to the nearest 10: ______
- Estimate 49 − 44 by rounding each number to the nearest 10: ______
- Estimate 31 + 80 by rounding each number to the nearest 10: ______
- Estimate 21 + 45 by rounding each number to the nearest 10: ______
- Estimate 73 − 81 by rounding each number to the nearest 10: ______
- Estimate 73 + 39 by rounding each number to the nearest 10: ______
- Estimate 39 + 46 by rounding each number to the nearest 10: ______
- Estimate 89 − 69 by rounding each number to the nearest 10: ______
- Estimate 24 − 45 by rounding each number to the nearest 10: ______
- Estimate 55 − 53 by rounding each number to the nearest 10: ______
- Estimate 36 + 59 by rounding each number to the nearest 10: ______
- Estimate 36 + 22 by rounding each number to the nearest 10: ______
- Estimate 29 − 59 by rounding each number to the nearest 10: ______
- Estimate 78 − 28 by rounding each number to the nearest 10: ______
- Estimate 48 − 87 by rounding each number to the nearest 10: ______
- Estimate 81 − 41 by rounding each number to the nearest 10: ______
- Estimate 44 + 79 by rounding each number to the nearest 10: ______
- Estimate 71 + 31 by rounding each number to the nearest 10: ______
- Estimate 61 − 25 by rounding each number to the nearest 10: ______
- Estimate 84 + 40 by rounding each number to the nearest 10: ______