Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 66 + 57 by rounding each number to the nearest 10: ______
- Estimate 59 − 64 by rounding each number to the nearest 10: ______
- Estimate 24 − 32 by rounding each number to the nearest 10: ______
- Estimate 28 − 64 by rounding each number to the nearest 10: ______
- Estimate 29 + 69 by rounding each number to the nearest 10: ______
- Estimate 88 − 88 by rounding each number to the nearest 10: ______
- Estimate 48 + 89 by rounding each number to the nearest 10: ______
- Estimate 82 − 58 by rounding each number to the nearest 10: ______
- Estimate 42 + 63 by rounding each number to the nearest 10: ______
- Estimate 26 + 52 by rounding each number to the nearest 10: ______
- Estimate 55 − 72 by rounding each number to the nearest 10: ______
- Estimate 35 − 64 by rounding each number to the nearest 10: ______
- Estimate 37 − 89 by rounding each number to the nearest 10: ______
- Estimate 66 − 69 by rounding each number to the nearest 10: ______
- Estimate 58 + 24 by rounding each number to the nearest 10: ______
- Estimate 45 + 60 by rounding each number to the nearest 10: ______
- Estimate 35 + 21 by rounding each number to the nearest 10: ______
- Estimate 36 − 48 by rounding each number to the nearest 10: ______
- Estimate 67 + 54 by rounding each number to the nearest 10: ______
- Estimate 52 − 80 by rounding each number to the nearest 10: ______