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Can you teach me a technique to know how many complète square.

To determine the number of complete squares covered by the parallelogram in the grid, you can use the following technique:

### Technique: Counting Complete Squares in a Parallelogram

1. **Count Fully Contained Squares:**
   - Count the number of squares that are completely within the boundaries of the parallelogram. In your case, visually scan and count these squares.

2. **Count Partially Covered Squares:**
   - Identify the squares that are partially covered by the parallelogram. For these squares, if a square is more than half covered, you can count it as a complete square.

3. **Estimate Half-Covered Squares:**
   - For squares that are exactly half covered, consider counting every two half-covered squares as one complete square.

4. **Add the Counts:**
   - Add the numbers from the above steps to get the total number of complete squares.

### Steps Applied to Your Parallelogram

1. **Identify Full Squares:**
   - Look closely at the grid and identify the full squares completely inside the parallelogram. In the image provided, you can see there are some fully contained squares.

2. **Estimate Partial Coverage:**
   - For the partially covered squares along the edges of the parallelogram, estimate how many of these would add up to a complete square.

3. **Sum Up the Areas:**
   - Add the fully contained squares and the estimated count from partially covered squares to get the total area in square units.

This method ensures a good approximation of the area, especially for irregularly shaped figures like a parallelogram.

Would you like more details on this method, or do you have any questions?

### Suggested Questions for Further Exploration:
1. How do you calculate the area of a parallelogram using base and height?
2. What is the difference between estimating areas of regular and irregular shapes?
3. How do you use grid paper to estimate the area of other geometric figures?
4. What are some real-life applications of estimating areas using grid squares?
5. Can you explain the concept of the unit of area and how it applies to different shapes?

### Tip:
When estimating areas using grid paper, always double-check your counts to ensure accuracy, especially along the edges where partial squares are counted.

Learn a technique to estimate the number of complete squares in a parallelogram. This problem involves understanding geometric concepts like area estimation and parallelograms. Suitable for students in Grades 6-8.

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