Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 79 − 43 by rounding each number to the nearest 10: ______
- Estimate 43 − 45 by rounding each number to the nearest 10: ______
- Estimate 72 − 70 by rounding each number to the nearest 10: ______
- Estimate 26 + 82 by rounding each number to the nearest 10: ______
- Estimate 34 + 87 by rounding each number to the nearest 10: ______
- Estimate 43 + 66 by rounding each number to the nearest 10: ______
- Estimate 27 − 61 by rounding each number to the nearest 10: ______
- Estimate 59 + 30 by rounding each number to the nearest 10: ______
- Estimate 85 − 26 by rounding each number to the nearest 10: ______
- Estimate 46 + 75 by rounding each number to the nearest 10: ______
- Estimate 81 + 76 by rounding each number to the nearest 10: ______
- Estimate 85 + 26 by rounding each number to the nearest 10: ______
- Estimate 59 + 89 by rounding each number to the nearest 10: ______
- Estimate 34 − 66 by rounding each number to the nearest 10: ______
- Estimate 65 − 59 by rounding each number to the nearest 10: ______
- Estimate 50 − 31 by rounding each number to the nearest 10: ______
- Estimate 74 + 26 by rounding each number to the nearest 10: ______
- Estimate 56 − 30 by rounding each number to the nearest 10: ______
- Estimate 36 + 63 by rounding each number to the nearest 10: ______
- Estimate 70 − 39 by rounding each number to the nearest 10: ______