Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 73 − 43 by rounding each number to the nearest 10: ______
- Estimate 30 + 22 by rounding each number to the nearest 10: ______
- Estimate 55 − 43 by rounding each number to the nearest 10: ______
- Estimate 32 + 26 by rounding each number to the nearest 10: ______
- Estimate 32 + 24 by rounding each number to the nearest 10: ______
- Estimate 70 + 71 by rounding each number to the nearest 10: ______
- Estimate 41 − 46 by rounding each number to the nearest 10: ______
- Estimate 45 + 42 by rounding each number to the nearest 10: ______
- Estimate 45 + 59 by rounding each number to the nearest 10: ______
- Estimate 35 − 66 by rounding each number to the nearest 10: ______
- Estimate 28 − 29 by rounding each number to the nearest 10: ______
- Estimate 50 + 81 by rounding each number to the nearest 10: ______
- Estimate 48 − 64 by rounding each number to the nearest 10: ______
- Estimate 24 − 49 by rounding each number to the nearest 10: ______
- Estimate 54 + 80 by rounding each number to the nearest 10: ______
- Estimate 32 + 27 by rounding each number to the nearest 10: ______
- Estimate 71 − 67 by rounding each number to the nearest 10: ______
- Estimate 41 + 59 by rounding each number to the nearest 10: ______
- Estimate 40 − 86 by rounding each number to the nearest 10: ______
- Estimate 54 − 45 by rounding each number to the nearest 10: ______