Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 + 59 by rounding each number to the nearest 10: ______
- Estimate 66 + 71 by rounding each number to the nearest 10: ______
- Estimate 79 + 76 by rounding each number to the nearest 10: ______
- Estimate 77 − 57 by rounding each number to the nearest 10: ______
- Estimate 79 − 25 by rounding each number to the nearest 10: ______
- Estimate 66 + 62 by rounding each number to the nearest 10: ______
- Estimate 62 − 75 by rounding each number to the nearest 10: ______
- Estimate 41 + 65 by rounding each number to the nearest 10: ______
- Estimate 70 − 29 by rounding each number to the nearest 10: ______
- Estimate 62 + 78 by rounding each number to the nearest 10: ______
- Estimate 33 + 84 by rounding each number to the nearest 10: ______
- Estimate 55 − 80 by rounding each number to the nearest 10: ______
- Estimate 28 − 69 by rounding each number to the nearest 10: ______
- Estimate 28 − 47 by rounding each number to the nearest 10: ______
- Estimate 50 + 22 by rounding each number to the nearest 10: ______
- Estimate 79 + 26 by rounding each number to the nearest 10: ______
- Estimate 30 − 71 by rounding each number to the nearest 10: ______
- Estimate 77 + 70 by rounding each number to the nearest 10: ______
- Estimate 35 − 45 by rounding each number to the nearest 10: ______
- Estimate 76 + 58 by rounding each number to the nearest 10: ______