Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 46 − 46 by rounding each number to the nearest 10: ______
- Estimate 67 + 64 by rounding each number to the nearest 10: ______
- Estimate 59 + 28 by rounding each number to the nearest 10: ______
- Estimate 80 − 43 by rounding each number to the nearest 10: ______
- Estimate 58 + 51 by rounding each number to the nearest 10: ______
- Estimate 50 − 67 by rounding each number to the nearest 10: ______
- Estimate 35 − 70 by rounding each number to the nearest 10: ______
- Estimate 61 + 51 by rounding each number to the nearest 10: ______
- Estimate 22 − 38 by rounding each number to the nearest 10: ______
- Estimate 34 + 34 by rounding each number to the nearest 10: ______
- Estimate 78 − 65 by rounding each number to the nearest 10: ______
- Estimate 38 − 73 by rounding each number to the nearest 10: ______
- Estimate 67 − 66 by rounding each number to the nearest 10: ______
- Estimate 67 − 49 by rounding each number to the nearest 10: ______
- Estimate 32 + 22 by rounding each number to the nearest 10: ______
- Estimate 82 − 36 by rounding each number to the nearest 10: ______
- Estimate 79 + 27 by rounding each number to the nearest 10: ______
- Estimate 77 − 67 by rounding each number to the nearest 10: ______
- Estimate 80 + 22 by rounding each number to the nearest 10: ______
- Estimate 28 − 37 by rounding each number to the nearest 10: ______