Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 24 + 48 by rounding each number to the nearest 10: ______
- Estimate 60 + 60 by rounding each number to the nearest 10: ______
- Estimate 46 + 54 by rounding each number to the nearest 10: ______
- Estimate 41 + 46 by rounding each number to the nearest 10: ______
- Estimate 50 + 54 by rounding each number to the nearest 10: ______
- Estimate 89 + 41 by rounding each number to the nearest 10: ______
- Estimate 32 − 48 by rounding each number to the nearest 10: ______
- Estimate 65 − 73 by rounding each number to the nearest 10: ______
- Estimate 73 − 67 by rounding each number to the nearest 10: ______
- Estimate 71 + 45 by rounding each number to the nearest 10: ______
- Estimate 40 + 69 by rounding each number to the nearest 10: ______
- Estimate 55 + 29 by rounding each number to the nearest 10: ______
- Estimate 77 + 44 by rounding each number to the nearest 10: ______
- Estimate 85 − 37 by rounding each number to the nearest 10: ______
- Estimate 86 + 53 by rounding each number to the nearest 10: ______
- Estimate 61 − 82 by rounding each number to the nearest 10: ______
- Estimate 68 + 63 by rounding each number to the nearest 10: ______
- Estimate 45 + 82 by rounding each number to the nearest 10: ______
- Estimate 85 + 85 by rounding each number to the nearest 10: ______
- Estimate 63 − 76 by rounding each number to the nearest 10: ______