Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 73 − 82 by rounding each number to the nearest 10: ______
- Estimate 79 − 51 by rounding each number to the nearest 10: ______
- Estimate 64 − 76 by rounding each number to the nearest 10: ______
- Estimate 24 − 48 by rounding each number to the nearest 10: ______
- Estimate 25 − 25 by rounding each number to the nearest 10: ______
- Estimate 74 − 24 by rounding each number to the nearest 10: ______
- Estimate 38 − 86 by rounding each number to the nearest 10: ______
- Estimate 60 − 85 by rounding each number to the nearest 10: ______
- Estimate 41 + 28 by rounding each number to the nearest 10: ______
- Estimate 59 − 61 by rounding each number to the nearest 10: ______
- Estimate 30 − 41 by rounding each number to the nearest 10: ______
- Estimate 87 + 86 by rounding each number to the nearest 10: ______
- Estimate 57 + 28 by rounding each number to the nearest 10: ______
- Estimate 46 + 37 by rounding each number to the nearest 10: ______
- Estimate 45 − 47 by rounding each number to the nearest 10: ______
- Estimate 27 − 75 by rounding each number to the nearest 10: ______
- Estimate 62 + 79 by rounding each number to the nearest 10: ______
- Estimate 62 + 81 by rounding each number to the nearest 10: ______
- Estimate 25 + 69 by rounding each number to the nearest 10: ______
- Estimate 35 + 64 by rounding each number to the nearest 10: ______