Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 73 + 36 by rounding each number to the nearest 10: ______
- Estimate 59 − 57 by rounding each number to the nearest 10: ______
- Estimate 88 + 25 by rounding each number to the nearest 10: ______
- Estimate 44 + 59 by rounding each number to the nearest 10: ______
- Estimate 55 − 40 by rounding each number to the nearest 10: ______
- Estimate 56 − 47 by rounding each number to the nearest 10: ______
- Estimate 68 + 71 by rounding each number to the nearest 10: ______
- Estimate 47 + 38 by rounding each number to the nearest 10: ______
- Estimate 43 − 35 by rounding each number to the nearest 10: ______
- Estimate 69 − 66 by rounding each number to the nearest 10: ______
- Estimate 38 − 43 by rounding each number to the nearest 10: ______
- Estimate 51 − 24 by rounding each number to the nearest 10: ______
- Estimate 59 + 57 by rounding each number to the nearest 10: ______
- Estimate 62 + 75 by rounding each number to the nearest 10: ______
- Estimate 47 − 51 by rounding each number to the nearest 10: ______
- Estimate 76 + 74 by rounding each number to the nearest 10: ______
- Estimate 80 + 57 by rounding each number to the nearest 10: ______
- Estimate 49 − 31 by rounding each number to the nearest 10: ______
- Estimate 55 − 49 by rounding each number to the nearest 10: ______
- Estimate 23 + 76 by rounding each number to the nearest 10: ______