Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 32 + 87 by rounding each number to the nearest 10: ______
- Estimate 73 + 87 by rounding each number to the nearest 10: ______
- Estimate 38 − 57 by rounding each number to the nearest 10: ______
- Estimate 62 + 52 by rounding each number to the nearest 10: ______
- Estimate 84 − 84 by rounding each number to the nearest 10: ______
- Estimate 27 − 28 by rounding each number to the nearest 10: ______
- Estimate 73 − 36 by rounding each number to the nearest 10: ______
- Estimate 54 + 84 by rounding each number to the nearest 10: ______
- Estimate 30 − 85 by rounding each number to the nearest 10: ______
- Estimate 34 + 27 by rounding each number to the nearest 10: ______
- Estimate 70 + 77 by rounding each number to the nearest 10: ______
- Estimate 56 − 63 by rounding each number to the nearest 10: ______
- Estimate 75 + 88 by rounding each number to the nearest 10: ______
- Estimate 25 − 23 by rounding each number to the nearest 10: ______
- Estimate 59 − 61 by rounding each number to the nearest 10: ______
- Estimate 26 − 57 by rounding each number to the nearest 10: ______
- Estimate 50 − 53 by rounding each number to the nearest 10: ______
- Estimate 67 + 38 by rounding each number to the nearest 10: ______
- Estimate 54 − 60 by rounding each number to the nearest 10: ______
- Estimate 75 + 82 by rounding each number to the nearest 10: ______