Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 85 + 58 by rounding each number to the nearest 10: ______
- Estimate 26 − 38 by rounding each number to the nearest 10: ______
- Estimate 49 + 69 by rounding each number to the nearest 10: ______
- Estimate 43 + 52 by rounding each number to the nearest 10: ______
- Estimate 53 − 39 by rounding each number to the nearest 10: ______
- Estimate 34 + 67 by rounding each number to the nearest 10: ______
- Estimate 51 + 52 by rounding each number to the nearest 10: ______
- Estimate 41 − 68 by rounding each number to the nearest 10: ______
- Estimate 27 + 34 by rounding each number to the nearest 10: ______
- Estimate 33 + 81 by rounding each number to the nearest 10: ______
- Estimate 45 + 46 by rounding each number to the nearest 10: ______
- Estimate 78 − 27 by rounding each number to the nearest 10: ______
- Estimate 45 − 64 by rounding each number to the nearest 10: ______
- Estimate 28 + 41 by rounding each number to the nearest 10: ______
- Estimate 28 + 23 by rounding each number to the nearest 10: ______
- Estimate 64 − 27 by rounding each number to the nearest 10: ______
- Estimate 73 − 56 by rounding each number to the nearest 10: ______
- Estimate 58 − 46 by rounding each number to the nearest 10: ______
- Estimate 69 − 48 by rounding each number to the nearest 10: ______
- Estimate 47 − 29 by rounding each number to the nearest 10: ______