Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 73 − 62 by rounding each number to the nearest 10: ______
- Estimate 41 + 45 by rounding each number to the nearest 10: ______
- Estimate 28 + 38 by rounding each number to the nearest 10: ______
- Estimate 29 + 60 by rounding each number to the nearest 10: ______
- Estimate 40 − 88 by rounding each number to the nearest 10: ______
- Estimate 64 − 54 by rounding each number to the nearest 10: ______
- Estimate 46 + 38 by rounding each number to the nearest 10: ______
- Estimate 32 + 67 by rounding each number to the nearest 10: ______
- Estimate 52 − 40 by rounding each number to the nearest 10: ______
- Estimate 87 − 23 by rounding each number to the nearest 10: ______
- Estimate 50 + 63 by rounding each number to the nearest 10: ______
- Estimate 85 + 35 by rounding each number to the nearest 10: ______
- Estimate 55 − 78 by rounding each number to the nearest 10: ______
- Estimate 38 − 36 by rounding each number to the nearest 10: ______
- Estimate 32 − 84 by rounding each number to the nearest 10: ______
- Estimate 66 − 68 by rounding each number to the nearest 10: ______
- Estimate 55 − 51 by rounding each number to the nearest 10: ______
- Estimate 58 + 45 by rounding each number to the nearest 10: ______
- Estimate 57 + 64 by rounding each number to the nearest 10: ______
- Estimate 75 − 36 by rounding each number to the nearest 10: ______