Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 44 − 84 by rounding each number to the nearest 10: ______
- Estimate 34 + 56 by rounding each number to the nearest 10: ______
- Estimate 53 + 56 by rounding each number to the nearest 10: ______
- Estimate 34 + 56 by rounding each number to the nearest 10: ______
- Estimate 55 + 32 by rounding each number to the nearest 10: ______
- Estimate 82 + 23 by rounding each number to the nearest 10: ______
- Estimate 87 + 85 by rounding each number to the nearest 10: ______
- Estimate 39 + 79 by rounding each number to the nearest 10: ______
- Estimate 57 + 31 by rounding each number to the nearest 10: ______
- Estimate 32 + 85 by rounding each number to the nearest 10: ______
- Estimate 47 − 42 by rounding each number to the nearest 10: ______
- Estimate 84 − 60 by rounding each number to the nearest 10: ______
- Estimate 88 + 68 by rounding each number to the nearest 10: ______
- Estimate 89 − 29 by rounding each number to the nearest 10: ______
- Estimate 27 + 41 by rounding each number to the nearest 10: ______
- Estimate 85 − 82 by rounding each number to the nearest 10: ______
- Estimate 80 − 55 by rounding each number to the nearest 10: ______
- Estimate 79 − 62 by rounding each number to the nearest 10: ______
- Estimate 46 − 46 by rounding each number to the nearest 10: ______
- Estimate 47 + 23 by rounding each number to the nearest 10: ______