Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 + 67 by rounding each number to the nearest 10: ______
- Estimate 47 + 87 by rounding each number to the nearest 10: ______
- Estimate 57 − 65 by rounding each number to the nearest 10: ______
- Estimate 60 + 81 by rounding each number to the nearest 10: ______
- Estimate 59 + 50 by rounding each number to the nearest 10: ______
- Estimate 39 + 46 by rounding each number to the nearest 10: ______
- Estimate 47 + 34 by rounding each number to the nearest 10: ______
- Estimate 87 + 45 by rounding each number to the nearest 10: ______
- Estimate 40 − 89 by rounding each number to the nearest 10: ______
- Estimate 21 − 88 by rounding each number to the nearest 10: ______
- Estimate 63 + 36 by rounding each number to the nearest 10: ______
- Estimate 43 + 25 by rounding each number to the nearest 10: ______
- Estimate 53 − 78 by rounding each number to the nearest 10: ______
- Estimate 83 − 84 by rounding each number to the nearest 10: ______
- Estimate 26 − 57 by rounding each number to the nearest 10: ______
- Estimate 24 + 53 by rounding each number to the nearest 10: ______
- Estimate 53 + 82 by rounding each number to the nearest 10: ______
- Estimate 29 − 86 by rounding each number to the nearest 10: ______
- Estimate 41 + 30 by rounding each number to the nearest 10: ______
- Estimate 83 + 52 by rounding each number to the nearest 10: ______