Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 27 + 60 by rounding each number to the nearest 10: ______
- Estimate 41 − 47 by rounding each number to the nearest 10: ______
- Estimate 37 + 83 by rounding each number to the nearest 10: ______
- Estimate 57 − 76 by rounding each number to the nearest 10: ______
- Estimate 60 + 24 by rounding each number to the nearest 10: ______
- Estimate 89 + 66 by rounding each number to the nearest 10: ______
- Estimate 60 + 41 by rounding each number to the nearest 10: ______
- Estimate 37 − 26 by rounding each number to the nearest 10: ______
- Estimate 69 − 23 by rounding each number to the nearest 10: ______
- Estimate 66 − 53 by rounding each number to the nearest 10: ______
- Estimate 55 + 38 by rounding each number to the nearest 10: ______
- Estimate 70 − 82 by rounding each number to the nearest 10: ______
- Estimate 74 − 33 by rounding each number to the nearest 10: ______
- Estimate 67 − 26 by rounding each number to the nearest 10: ______
- Estimate 89 + 30 by rounding each number to the nearest 10: ______
- Estimate 85 + 58 by rounding each number to the nearest 10: ______
- Estimate 77 − 73 by rounding each number to the nearest 10: ______
- Estimate 59 + 36 by rounding each number to the nearest 10: ______
- Estimate 46 − 62 by rounding each number to the nearest 10: ______
- Estimate 66 + 41 by rounding each number to the nearest 10: ______