Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 74 + 56 by rounding each number to the nearest 10: ______
- Estimate 79 + 53 by rounding each number to the nearest 10: ______
- Estimate 47 + 72 by rounding each number to the nearest 10: ______
- Estimate 84 + 56 by rounding each number to the nearest 10: ______
- Estimate 74 + 52 by rounding each number to the nearest 10: ______
- Estimate 35 − 83 by rounding each number to the nearest 10: ______
- Estimate 81 − 25 by rounding each number to the nearest 10: ______
- Estimate 56 − 30 by rounding each number to the nearest 10: ______
- Estimate 74 + 46 by rounding each number to the nearest 10: ______
- Estimate 51 + 23 by rounding each number to the nearest 10: ______
- Estimate 64 − 52 by rounding each number to the nearest 10: ______
- Estimate 60 − 73 by rounding each number to the nearest 10: ______
- Estimate 42 − 35 by rounding each number to the nearest 10: ______
- Estimate 80 + 63 by rounding each number to the nearest 10: ______
- Estimate 57 + 63 by rounding each number to the nearest 10: ______
- Estimate 31 − 47 by rounding each number to the nearest 10: ______
- Estimate 37 − 67 by rounding each number to the nearest 10: ______
- Estimate 47 − 81 by rounding each number to the nearest 10: ______
- Estimate 23 − 83 by rounding each number to the nearest 10: ______
- Estimate 53 + 46 by rounding each number to the nearest 10: ______