Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 62 + 78 by rounding each number to the nearest 10: ______
- Estimate 86 + 60 by rounding each number to the nearest 10: ______
- Estimate 64 + 74 by rounding each number to the nearest 10: ______
- Estimate 25 + 85 by rounding each number to the nearest 10: ______
- Estimate 36 − 69 by rounding each number to the nearest 10: ______
- Estimate 62 − 66 by rounding each number to the nearest 10: ______
- Estimate 50 − 39 by rounding each number to the nearest 10: ______
- Estimate 51 + 83 by rounding each number to the nearest 10: ______
- Estimate 29 + 59 by rounding each number to the nearest 10: ______
- Estimate 51 − 75 by rounding each number to the nearest 10: ______
- Estimate 60 − 74 by rounding each number to the nearest 10: ______
- Estimate 27 − 37 by rounding each number to the nearest 10: ______
- Estimate 44 − 57 by rounding each number to the nearest 10: ______
- Estimate 56 − 60 by rounding each number to the nearest 10: ______
- Estimate 58 + 44 by rounding each number to the nearest 10: ______
- Estimate 72 + 27 by rounding each number to the nearest 10: ______
- Estimate 24 − 22 by rounding each number to the nearest 10: ______
- Estimate 66 − 84 by rounding each number to the nearest 10: ______
- Estimate 57 − 62 by rounding each number to the nearest 10: ______
- Estimate 27 − 75 by rounding each number to the nearest 10: ______