Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 72 − 48 by rounding each number to the nearest 10: ______
- Estimate 30 − 39 by rounding each number to the nearest 10: ______
- Estimate 51 − 44 by rounding each number to the nearest 10: ______
- Estimate 59 − 39 by rounding each number to the nearest 10: ______
- Estimate 79 − 86 by rounding each number to the nearest 10: ______
- Estimate 78 + 49 by rounding each number to the nearest 10: ______
- Estimate 67 + 75 by rounding each number to the nearest 10: ______
- Estimate 45 + 33 by rounding each number to the nearest 10: ______
- Estimate 80 + 59 by rounding each number to the nearest 10: ______
- Estimate 22 + 40 by rounding each number to the nearest 10: ______
- Estimate 46 − 24 by rounding each number to the nearest 10: ______
- Estimate 65 + 30 by rounding each number to the nearest 10: ______
- Estimate 30 − 29 by rounding each number to the nearest 10: ______
- Estimate 83 − 79 by rounding each number to the nearest 10: ______
- Estimate 44 + 67 by rounding each number to the nearest 10: ______
- Estimate 42 − 35 by rounding each number to the nearest 10: ______
- Estimate 26 − 24 by rounding each number to the nearest 10: ______
- Estimate 76 + 22 by rounding each number to the nearest 10: ______
- Estimate 35 + 89 by rounding each number to the nearest 10: ______
- Estimate 70 − 27 by rounding each number to the nearest 10: ______