Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 67 + 71 by rounding each number to the nearest 10: ______
- Estimate 62 − 62 by rounding each number to the nearest 10: ______
- Estimate 69 + 47 by rounding each number to the nearest 10: ______
- Estimate 63 + 36 by rounding each number to the nearest 10: ______
- Estimate 25 + 46 by rounding each number to the nearest 10: ______
- Estimate 30 + 29 by rounding each number to the nearest 10: ______
- Estimate 74 + 78 by rounding each number to the nearest 10: ______
- Estimate 24 − 83 by rounding each number to the nearest 10: ______
- Estimate 34 + 28 by rounding each number to the nearest 10: ______
- Estimate 81 + 30 by rounding each number to the nearest 10: ______
- Estimate 34 − 26 by rounding each number to the nearest 10: ______
- Estimate 43 − 33 by rounding each number to the nearest 10: ______
- Estimate 44 − 84 by rounding each number to the nearest 10: ______
- Estimate 70 + 26 by rounding each number to the nearest 10: ______
- Estimate 46 + 75 by rounding each number to the nearest 10: ______
- Estimate 71 − 31 by rounding each number to the nearest 10: ______
- Estimate 46 − 78 by rounding each number to the nearest 10: ______
- Estimate 74 − 46 by rounding each number to the nearest 10: ______
- Estimate 27 − 83 by rounding each number to the nearest 10: ______
- Estimate 56 − 27 by rounding each number to the nearest 10: ______