Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 46 + 31 by rounding each number to the nearest 10: ______
- Estimate 23 + 78 by rounding each number to the nearest 10: ______
- Estimate 61 + 35 by rounding each number to the nearest 10: ______
- Estimate 77 + 57 by rounding each number to the nearest 10: ______
- Estimate 65 − 21 by rounding each number to the nearest 10: ______
- Estimate 67 − 45 by rounding each number to the nearest 10: ______
- Estimate 31 + 36 by rounding each number to the nearest 10: ______
- Estimate 69 + 37 by rounding each number to the nearest 10: ______
- Estimate 89 − 26 by rounding each number to the nearest 10: ______
- Estimate 77 − 61 by rounding each number to the nearest 10: ______
- Estimate 74 + 85 by rounding each number to the nearest 10: ______
- Estimate 22 + 86 by rounding each number to the nearest 10: ______
- Estimate 31 + 85 by rounding each number to the nearest 10: ______
- Estimate 75 + 39 by rounding each number to the nearest 10: ______
- Estimate 29 + 78 by rounding each number to the nearest 10: ______
- Estimate 77 − 84 by rounding each number to the nearest 10: ______
- Estimate 69 + 58 by rounding each number to the nearest 10: ______
- Estimate 62 − 87 by rounding each number to the nearest 10: ______
- Estimate 68 + 55 by rounding each number to the nearest 10: ______
- Estimate 35 + 30 by rounding each number to the nearest 10: ______