Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 53 + 22 by rounding each number to the nearest 10: ______
- Estimate 47 + 50 by rounding each number to the nearest 10: ______
- Estimate 39 + 58 by rounding each number to the nearest 10: ______
- Estimate 58 + 32 by rounding each number to the nearest 10: ______
- Estimate 26 − 56 by rounding each number to the nearest 10: ______
- Estimate 26 − 58 by rounding each number to the nearest 10: ______
- Estimate 23 + 77 by rounding each number to the nearest 10: ______
- Estimate 32 + 31 by rounding each number to the nearest 10: ______
- Estimate 49 + 44 by rounding each number to the nearest 10: ______
- Estimate 87 − 53 by rounding each number to the nearest 10: ______
- Estimate 72 + 40 by rounding each number to the nearest 10: ______
- Estimate 46 + 46 by rounding each number to the nearest 10: ______
- Estimate 87 + 26 by rounding each number to the nearest 10: ______
- Estimate 53 − 45 by rounding each number to the nearest 10: ______
- Estimate 80 + 62 by rounding each number to the nearest 10: ______
- Estimate 47 + 49 by rounding each number to the nearest 10: ______
- Estimate 80 + 50 by rounding each number to the nearest 10: ______
- Estimate 74 − 46 by rounding each number to the nearest 10: ______
- Estimate 26 + 32 by rounding each number to the nearest 10: ______
- Estimate 79 − 47 by rounding each number to the nearest 10: ______