Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 59 + 32 by rounding each number to the nearest 10: ______
- Estimate 75 − 24 by rounding each number to the nearest 10: ______
- Estimate 30 + 72 by rounding each number to the nearest 10: ______
- Estimate 43 − 65 by rounding each number to the nearest 10: ______
- Estimate 38 − 75 by rounding each number to the nearest 10: ______
- Estimate 41 + 55 by rounding each number to the nearest 10: ______
- Estimate 43 + 34 by rounding each number to the nearest 10: ______
- Estimate 67 + 82 by rounding each number to the nearest 10: ______
- Estimate 31 − 81 by rounding each number to the nearest 10: ______
- Estimate 70 − 21 by rounding each number to the nearest 10: ______
- Estimate 80 − 86 by rounding each number to the nearest 10: ______
- Estimate 34 + 56 by rounding each number to the nearest 10: ______
- Estimate 66 + 52 by rounding each number to the nearest 10: ______
- Estimate 74 + 50 by rounding each number to the nearest 10: ______
- Estimate 78 − 29 by rounding each number to the nearest 10: ______
- Estimate 39 + 66 by rounding each number to the nearest 10: ______
- Estimate 58 + 24 by rounding each number to the nearest 10: ______
- Estimate 42 − 56 by rounding each number to the nearest 10: ______
- Estimate 73 − 81 by rounding each number to the nearest 10: ______
- Estimate 26 − 53 by rounding each number to the nearest 10: ______