Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 24 − 80 by rounding each number to the nearest 10: ______
- Estimate 86 − 78 by rounding each number to the nearest 10: ______
- Estimate 34 − 58 by rounding each number to the nearest 10: ______
- Estimate 51 + 28 by rounding each number to the nearest 10: ______
- Estimate 66 − 78 by rounding each number to the nearest 10: ______
- Estimate 81 + 37 by rounding each number to the nearest 10: ______
- Estimate 66 + 22 by rounding each number to the nearest 10: ______
- Estimate 89 − 82 by rounding each number to the nearest 10: ______
- Estimate 73 − 32 by rounding each number to the nearest 10: ______
- Estimate 51 − 50 by rounding each number to the nearest 10: ______
- Estimate 25 + 84 by rounding each number to the nearest 10: ______
- Estimate 45 − 59 by rounding each number to the nearest 10: ______
- Estimate 44 + 42 by rounding each number to the nearest 10: ______
- Estimate 73 − 61 by rounding each number to the nearest 10: ______
- Estimate 35 + 60 by rounding each number to the nearest 10: ______
- Estimate 70 − 64 by rounding each number to the nearest 10: ______
- Estimate 41 + 48 by rounding each number to the nearest 10: ______
- Estimate 70 + 59 by rounding each number to the nearest 10: ______
- Estimate 32 − 55 by rounding each number to the nearest 10: ______
- Estimate 55 − 46 by rounding each number to the nearest 10: ______