Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 39 − 46 by rounding each number to the nearest 10: ______
- Estimate 69 − 56 by rounding each number to the nearest 10: ______
- Estimate 67 + 51 by rounding each number to the nearest 10: ______
- Estimate 24 − 62 by rounding each number to the nearest 10: ______
- Estimate 34 − 62 by rounding each number to the nearest 10: ______
- Estimate 31 − 58 by rounding each number to the nearest 10: ______
- Estimate 37 − 49 by rounding each number to the nearest 10: ______
- Estimate 53 − 40 by rounding each number to the nearest 10: ______
- Estimate 42 − 24 by rounding each number to the nearest 10: ______
- Estimate 43 + 69 by rounding each number to the nearest 10: ______
- Estimate 21 − 63 by rounding each number to the nearest 10: ______
- Estimate 62 + 76 by rounding each number to the nearest 10: ______
- Estimate 61 + 71 by rounding each number to the nearest 10: ______
- Estimate 58 + 48 by rounding each number to the nearest 10: ______
- Estimate 51 − 66 by rounding each number to the nearest 10: ______
- Estimate 34 − 60 by rounding each number to the nearest 10: ______
- Estimate 50 + 75 by rounding each number to the nearest 10: ______
- Estimate 67 − 78 by rounding each number to the nearest 10: ______
- Estimate 72 + 79 by rounding each number to the nearest 10: ______
- Estimate 22 − 56 by rounding each number to the nearest 10: ______