Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 34 − 41 by rounding each number to the nearest 10: ______
- Estimate 56 − 84 by rounding each number to the nearest 10: ______
- Estimate 83 − 67 by rounding each number to the nearest 10: ______
- Estimate 34 + 39 by rounding each number to the nearest 10: ______
- Estimate 55 − 84 by rounding each number to the nearest 10: ______
- Estimate 83 − 38 by rounding each number to the nearest 10: ______
- Estimate 53 + 88 by rounding each number to the nearest 10: ______
- Estimate 77 − 49 by rounding each number to the nearest 10: ______
- Estimate 24 − 22 by rounding each number to the nearest 10: ______
- Estimate 27 − 85 by rounding each number to the nearest 10: ______
- Estimate 49 + 50 by rounding each number to the nearest 10: ______
- Estimate 88 − 77 by rounding each number to the nearest 10: ______
- Estimate 89 + 65 by rounding each number to the nearest 10: ______
- Estimate 60 − 57 by rounding each number to the nearest 10: ______
- Estimate 86 − 75 by rounding each number to the nearest 10: ______
- Estimate 64 + 41 by rounding each number to the nearest 10: ______
- Estimate 78 − 72 by rounding each number to the nearest 10: ______
- Estimate 54 − 34 by rounding each number to the nearest 10: ______
- Estimate 34 + 49 by rounding each number to the nearest 10: ______
- Estimate 34 + 40 by rounding each number to the nearest 10: ______