Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 59 − 23 by rounding each number to the nearest 10: ______
- Estimate 32 − 41 by rounding each number to the nearest 10: ______
- Estimate 63 + 44 by rounding each number to the nearest 10: ______
- Estimate 35 − 89 by rounding each number to the nearest 10: ______
- Estimate 46 − 28 by rounding each number to the nearest 10: ______
- Estimate 58 − 51 by rounding each number to the nearest 10: ______
- Estimate 50 − 22 by rounding each number to the nearest 10: ______
- Estimate 60 + 32 by rounding each number to the nearest 10: ______
- Estimate 85 − 43 by rounding each number to the nearest 10: ______
- Estimate 60 + 24 by rounding each number to the nearest 10: ______
- Estimate 84 − 29 by rounding each number to the nearest 10: ______
- Estimate 70 + 43 by rounding each number to the nearest 10: ______
- Estimate 29 − 38 by rounding each number to the nearest 10: ______
- Estimate 50 + 75 by rounding each number to the nearest 10: ______
- Estimate 79 − 70 by rounding each number to the nearest 10: ______
- Estimate 39 + 84 by rounding each number to the nearest 10: ______
- Estimate 29 − 30 by rounding each number to the nearest 10: ______
- Estimate 63 + 63 by rounding each number to the nearest 10: ______
- Estimate 70 + 81 by rounding each number to the nearest 10: ______
- Estimate 73 + 26 by rounding each number to the nearest 10: ______