Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 75 + 55 by rounding each number to the nearest 10: ______
- Estimate 53 − 89 by rounding each number to the nearest 10: ______
- Estimate 31 − 32 by rounding each number to the nearest 10: ______
- Estimate 47 − 80 by rounding each number to the nearest 10: ______
- Estimate 58 + 31 by rounding each number to the nearest 10: ______
- Estimate 34 − 77 by rounding each number to the nearest 10: ______
- Estimate 53 + 44 by rounding each number to the nearest 10: ______
- Estimate 82 − 77 by rounding each number to the nearest 10: ______
- Estimate 43 + 55 by rounding each number to the nearest 10: ______
- Estimate 27 − 59 by rounding each number to the nearest 10: ______
- Estimate 74 − 30 by rounding each number to the nearest 10: ______
- Estimate 81 + 38 by rounding each number to the nearest 10: ______
- Estimate 44 + 51 by rounding each number to the nearest 10: ______
- Estimate 40 + 44 by rounding each number to the nearest 10: ______
- Estimate 82 + 59 by rounding each number to the nearest 10: ______
- Estimate 64 − 43 by rounding each number to the nearest 10: ______
- Estimate 24 + 79 by rounding each number to the nearest 10: ______
- Estimate 81 + 49 by rounding each number to the nearest 10: ______
- Estimate 58 + 87 by rounding each number to the nearest 10: ______
- Estimate 53 + 42 by rounding each number to the nearest 10: ______