Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 48 + 68 by rounding each number to the nearest 10: ______
- Estimate 83 − 87 by rounding each number to the nearest 10: ______
- Estimate 69 + 80 by rounding each number to the nearest 10: ______
- Estimate 66 + 50 by rounding each number to the nearest 10: ______
- Estimate 87 + 83 by rounding each number to the nearest 10: ______
- Estimate 84 − 24 by rounding each number to the nearest 10: ______
- Estimate 47 − 46 by rounding each number to the nearest 10: ______
- Estimate 86 + 89 by rounding each number to the nearest 10: ______
- Estimate 42 + 49 by rounding each number to the nearest 10: ______
- Estimate 24 − 22 by rounding each number to the nearest 10: ______
- Estimate 59 + 32 by rounding each number to the nearest 10: ______
- Estimate 82 − 84 by rounding each number to the nearest 10: ______
- Estimate 86 + 28 by rounding each number to the nearest 10: ______
- Estimate 43 + 51 by rounding each number to the nearest 10: ______
- Estimate 33 + 43 by rounding each number to the nearest 10: ______
- Estimate 80 − 75 by rounding each number to the nearest 10: ______
- Estimate 89 + 45 by rounding each number to the nearest 10: ______
- Estimate 54 − 32 by rounding each number to the nearest 10: ______
- Estimate 67 − 24 by rounding each number to the nearest 10: ______
- Estimate 40 + 62 by rounding each number to the nearest 10: ______