Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 33 − 38 by rounding each number to the nearest 10: ______
- Estimate 26 − 60 by rounding each number to the nearest 10: ______
- Estimate 34 + 83 by rounding each number to the nearest 10: ______
- Estimate 44 + 44 by rounding each number to the nearest 10: ______
- Estimate 47 + 59 by rounding each number to the nearest 10: ______
- Estimate 48 − 85 by rounding each number to the nearest 10: ______
- Estimate 59 − 50 by rounding each number to the nearest 10: ______
- Estimate 54 − 68 by rounding each number to the nearest 10: ______
- Estimate 28 − 83 by rounding each number to the nearest 10: ______
- Estimate 69 − 80 by rounding each number to the nearest 10: ______
- Estimate 73 + 31 by rounding each number to the nearest 10: ______
- Estimate 66 − 81 by rounding each number to the nearest 10: ______
- Estimate 67 − 30 by rounding each number to the nearest 10: ______
- Estimate 36 − 51 by rounding each number to the nearest 10: ______
- Estimate 74 − 64 by rounding each number to the nearest 10: ______
- Estimate 23 − 26 by rounding each number to the nearest 10: ______
- Estimate 64 + 28 by rounding each number to the nearest 10: ______
- Estimate 69 − 36 by rounding each number to the nearest 10: ______
- Estimate 52 − 50 by rounding each number to the nearest 10: ______
- Estimate 80 + 34 by rounding each number to the nearest 10: ______