Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 41 + 61 by rounding each number to the nearest 10: ______
- Estimate 26 − 69 by rounding each number to the nearest 10: ______
- Estimate 73 + 63 by rounding each number to the nearest 10: ______
- Estimate 33 + 50 by rounding each number to the nearest 10: ______
- Estimate 72 − 65 by rounding each number to the nearest 10: ______
- Estimate 65 − 58 by rounding each number to the nearest 10: ______
- Estimate 62 − 60 by rounding each number to the nearest 10: ______
- Estimate 33 + 35 by rounding each number to the nearest 10: ______
- Estimate 33 + 80 by rounding each number to the nearest 10: ______
- Estimate 63 − 55 by rounding each number to the nearest 10: ______
- Estimate 49 + 49 by rounding each number to the nearest 10: ______
- Estimate 49 − 89 by rounding each number to the nearest 10: ______
- Estimate 80 + 26 by rounding each number to the nearest 10: ______
- Estimate 58 − 21 by rounding each number to the nearest 10: ______
- Estimate 58 − 35 by rounding each number to the nearest 10: ______
- Estimate 88 − 46 by rounding each number to the nearest 10: ______
- Estimate 61 − 53 by rounding each number to the nearest 10: ______
- Estimate 86 − 67 by rounding each number to the nearest 10: ______
- Estimate 67 + 62 by rounding each number to the nearest 10: ______
- Estimate 88 − 60 by rounding each number to the nearest 10: ______