Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 − 36 by rounding each number to the nearest 10: ______
- Estimate 77 + 69 by rounding each number to the nearest 10: ______
- Estimate 47 − 38 by rounding each number to the nearest 10: ______
- Estimate 22 + 40 by rounding each number to the nearest 10: ______
- Estimate 70 + 81 by rounding each number to the nearest 10: ______
- Estimate 33 + 22 by rounding each number to the nearest 10: ______
- Estimate 58 − 78 by rounding each number to the nearest 10: ______
- Estimate 42 + 68 by rounding each number to the nearest 10: ______
- Estimate 39 + 42 by rounding each number to the nearest 10: ______
- Estimate 34 − 78 by rounding each number to the nearest 10: ______
- Estimate 53 + 71 by rounding each number to the nearest 10: ______
- Estimate 38 − 39 by rounding each number to the nearest 10: ______
- Estimate 67 + 57 by rounding each number to the nearest 10: ______
- Estimate 42 − 64 by rounding each number to the nearest 10: ______
- Estimate 41 + 66 by rounding each number to the nearest 10: ______
- Estimate 25 + 77 by rounding each number to the nearest 10: ______
- Estimate 76 − 85 by rounding each number to the nearest 10: ______
- Estimate 82 + 60 by rounding each number to the nearest 10: ______
- Estimate 74 − 74 by rounding each number to the nearest 10: ______
- Estimate 33 − 71 by rounding each number to the nearest 10: ______