Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 40 − 55 by rounding each number to the nearest 10: ______
- Estimate 64 + 62 by rounding each number to the nearest 10: ______
- Estimate 54 + 24 by rounding each number to the nearest 10: ______
- Estimate 65 + 74 by rounding each number to the nearest 10: ______
- Estimate 48 − 70 by rounding each number to the nearest 10: ______
- Estimate 24 − 38 by rounding each number to the nearest 10: ______
- Estimate 89 + 26 by rounding each number to the nearest 10: ______
- Estimate 73 + 49 by rounding each number to the nearest 10: ______
- Estimate 73 + 45 by rounding each number to the nearest 10: ______
- Estimate 68 + 52 by rounding each number to the nearest 10: ______
- Estimate 71 − 88 by rounding each number to the nearest 10: ______
- Estimate 49 − 74 by rounding each number to the nearest 10: ______
- Estimate 74 + 64 by rounding each number to the nearest 10: ______
- Estimate 62 − 46 by rounding each number to the nearest 10: ______
- Estimate 22 − 74 by rounding each number to the nearest 10: ______
- Estimate 21 + 84 by rounding each number to the nearest 10: ______
- Estimate 46 − 56 by rounding each number to the nearest 10: ______
- Estimate 45 + 89 by rounding each number to the nearest 10: ______
- Estimate 52 + 27 by rounding each number to the nearest 10: ______
- Estimate 22 + 25 by rounding each number to the nearest 10: ______