Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 58 − 31 by rounding each number to the nearest 10: ______
- Estimate 45 + 34 by rounding each number to the nearest 10: ______
- Estimate 36 + 70 by rounding each number to the nearest 10: ______
- Estimate 59 + 70 by rounding each number to the nearest 10: ______
- Estimate 46 − 67 by rounding each number to the nearest 10: ______
- Estimate 59 + 48 by rounding each number to the nearest 10: ______
- Estimate 48 + 21 by rounding each number to the nearest 10: ______
- Estimate 31 + 21 by rounding each number to the nearest 10: ______
- Estimate 21 − 55 by rounding each number to the nearest 10: ______
- Estimate 34 − 59 by rounding each number to the nearest 10: ______
- Estimate 85 − 46 by rounding each number to the nearest 10: ______
- Estimate 55 − 31 by rounding each number to the nearest 10: ______
- Estimate 84 − 38 by rounding each number to the nearest 10: ______
- Estimate 39 + 47 by rounding each number to the nearest 10: ______
- Estimate 86 − 57 by rounding each number to the nearest 10: ______
- Estimate 46 − 71 by rounding each number to the nearest 10: ______
- Estimate 65 − 78 by rounding each number to the nearest 10: ______
- Estimate 33 + 57 by rounding each number to the nearest 10: ______
- Estimate 64 − 23 by rounding each number to the nearest 10: ______
- Estimate 46 − 80 by rounding each number to the nearest 10: ______