Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 79 − 60 by rounding each number to the nearest 10: ______
- Estimate 29 − 22 by rounding each number to the nearest 10: ______
- Estimate 34 − 66 by rounding each number to the nearest 10: ______
- Estimate 66 + 79 by rounding each number to the nearest 10: ______
- Estimate 29 − 42 by rounding each number to the nearest 10: ______
- Estimate 45 − 82 by rounding each number to the nearest 10: ______
- Estimate 80 − 45 by rounding each number to the nearest 10: ______
- Estimate 48 − 53 by rounding each number to the nearest 10: ______
- Estimate 55 + 67 by rounding each number to the nearest 10: ______
- Estimate 37 + 63 by rounding each number to the nearest 10: ______
- Estimate 45 − 30 by rounding each number to the nearest 10: ______
- Estimate 59 − 81 by rounding each number to the nearest 10: ______
- Estimate 87 − 35 by rounding each number to the nearest 10: ______
- Estimate 29 − 28 by rounding each number to the nearest 10: ______
- Estimate 41 + 64 by rounding each number to the nearest 10: ______
- Estimate 60 − 86 by rounding each number to the nearest 10: ______
- Estimate 85 + 63 by rounding each number to the nearest 10: ______
- Estimate 44 + 24 by rounding each number to the nearest 10: ______
- Estimate 29 − 32 by rounding each number to the nearest 10: ______
- Estimate 34 + 33 by rounding each number to the nearest 10: ______