Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 63 + 31 by rounding each number to the nearest 10: ______
- Estimate 75 + 53 by rounding each number to the nearest 10: ______
- Estimate 47 − 86 by rounding each number to the nearest 10: ______
- Estimate 66 + 28 by rounding each number to the nearest 10: ______
- Estimate 26 − 25 by rounding each number to the nearest 10: ______
- Estimate 77 + 40 by rounding each number to the nearest 10: ______
- Estimate 60 − 46 by rounding each number to the nearest 10: ______
- Estimate 82 + 73 by rounding each number to the nearest 10: ______
- Estimate 75 + 53 by rounding each number to the nearest 10: ______
- Estimate 55 − 36 by rounding each number to the nearest 10: ______
- Estimate 29 + 75 by rounding each number to the nearest 10: ______
- Estimate 63 + 51 by rounding each number to the nearest 10: ______
- Estimate 52 − 46 by rounding each number to the nearest 10: ______
- Estimate 27 − 43 by rounding each number to the nearest 10: ______
- Estimate 45 + 26 by rounding each number to the nearest 10: ______
- Estimate 31 + 25 by rounding each number to the nearest 10: ______
- Estimate 77 + 41 by rounding each number to the nearest 10: ______
- Estimate 32 − 25 by rounding each number to the nearest 10: ______
- Estimate 37 − 67 by rounding each number to the nearest 10: ______
- Estimate 64 − 70 by rounding each number to the nearest 10: ______