Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 51 + 26 by rounding each number to the nearest 10: ______
- Estimate 64 − 26 by rounding each number to the nearest 10: ______
- Estimate 76 + 37 by rounding each number to the nearest 10: ______
- Estimate 60 − 22 by rounding each number to the nearest 10: ______
- Estimate 59 − 52 by rounding each number to the nearest 10: ______
- Estimate 62 − 86 by rounding each number to the nearest 10: ______
- Estimate 26 − 48 by rounding each number to the nearest 10: ______
- Estimate 89 + 49 by rounding each number to the nearest 10: ______
- Estimate 69 + 28 by rounding each number to the nearest 10: ______
- Estimate 40 − 33 by rounding each number to the nearest 10: ______
- Estimate 48 − 66 by rounding each number to the nearest 10: ______
- Estimate 58 + 65 by rounding each number to the nearest 10: ______
- Estimate 37 + 87 by rounding each number to the nearest 10: ______
- Estimate 76 + 36 by rounding each number to the nearest 10: ______
- Estimate 41 + 21 by rounding each number to the nearest 10: ______
- Estimate 23 + 40 by rounding each number to the nearest 10: ______
- Estimate 37 + 69 by rounding each number to the nearest 10: ______
- Estimate 38 + 85 by rounding each number to the nearest 10: ______
- Estimate 43 + 77 by rounding each number to the nearest 10: ______
- Estimate 59 + 66 by rounding each number to the nearest 10: ______