Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 76 + 22 by rounding each number to the nearest 10: ______
- Estimate 42 + 82 by rounding each number to the nearest 10: ______
- Estimate 74 − 37 by rounding each number to the nearest 10: ______
- Estimate 36 − 49 by rounding each number to the nearest 10: ______
- Estimate 67 + 83 by rounding each number to the nearest 10: ______
- Estimate 70 + 85 by rounding each number to the nearest 10: ______
- Estimate 41 + 81 by rounding each number to the nearest 10: ______
- Estimate 72 + 69 by rounding each number to the nearest 10: ______
- Estimate 21 + 74 by rounding each number to the nearest 10: ______
- Estimate 40 − 80 by rounding each number to the nearest 10: ______
- Estimate 75 + 61 by rounding each number to the nearest 10: ______
- Estimate 67 − 89 by rounding each number to the nearest 10: ______
- Estimate 26 + 37 by rounding each number to the nearest 10: ______
- Estimate 81 − 22 by rounding each number to the nearest 10: ______
- Estimate 71 − 77 by rounding each number to the nearest 10: ______
- Estimate 72 − 65 by rounding each number to the nearest 10: ______
- Estimate 23 + 30 by rounding each number to the nearest 10: ______
- Estimate 23 + 81 by rounding each number to the nearest 10: ______
- Estimate 58 + 59 by rounding each number to the nearest 10: ______
- Estimate 67 + 54 by rounding each number to the nearest 10: ______