Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 64 + 83 by rounding each number to the nearest 10: ______
- Estimate 24 − 55 by rounding each number to the nearest 10: ______
- Estimate 66 + 48 by rounding each number to the nearest 10: ______
- Estimate 77 − 70 by rounding each number to the nearest 10: ______
- Estimate 27 − 54 by rounding each number to the nearest 10: ______
- Estimate 59 − 87 by rounding each number to the nearest 10: ______
- Estimate 82 − 62 by rounding each number to the nearest 10: ______
- Estimate 52 + 38 by rounding each number to the nearest 10: ______
- Estimate 42 + 74 by rounding each number to the nearest 10: ______
- Estimate 59 + 73 by rounding each number to the nearest 10: ______
- Estimate 47 − 68 by rounding each number to the nearest 10: ______
- Estimate 75 − 60 by rounding each number to the nearest 10: ______
- Estimate 70 − 27 by rounding each number to the nearest 10: ______
- Estimate 74 + 62 by rounding each number to the nearest 10: ______
- Estimate 48 − 66 by rounding each number to the nearest 10: ______
- Estimate 83 + 55 by rounding each number to the nearest 10: ______
- Estimate 81 − 52 by rounding each number to the nearest 10: ______
- Estimate 31 − 34 by rounding each number to the nearest 10: ______
- Estimate 59 + 28 by rounding each number to the nearest 10: ______
- Estimate 60 + 27 by rounding each number to the nearest 10: ______