Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 44 + 73 by rounding each number to the nearest 10: ______
- Estimate 24 − 44 by rounding each number to the nearest 10: ______
- Estimate 54 + 41 by rounding each number to the nearest 10: ______
- Estimate 36 − 34 by rounding each number to the nearest 10: ______
- Estimate 57 − 21 by rounding each number to the nearest 10: ______
- Estimate 60 + 29 by rounding each number to the nearest 10: ______
- Estimate 35 + 71 by rounding each number to the nearest 10: ______
- Estimate 55 + 32 by rounding each number to the nearest 10: ______
- Estimate 67 − 38 by rounding each number to the nearest 10: ______
- Estimate 62 + 79 by rounding each number to the nearest 10: ______
- Estimate 86 − 88 by rounding each number to the nearest 10: ______
- Estimate 66 − 42 by rounding each number to the nearest 10: ______
- Estimate 60 + 50 by rounding each number to the nearest 10: ______
- Estimate 41 + 38 by rounding each number to the nearest 10: ______
- Estimate 66 + 67 by rounding each number to the nearest 10: ______
- Estimate 75 − 66 by rounding each number to the nearest 10: ______
- Estimate 80 + 79 by rounding each number to the nearest 10: ______
- Estimate 55 + 38 by rounding each number to the nearest 10: ______
- Estimate 45 − 53 by rounding each number to the nearest 10: ______
- Estimate 85 + 78 by rounding each number to the nearest 10: ______