Which 3 go together?

Diagram, rectangle partitioned horizontally into 2 rectangles. Top rectangle, vertical side, 30, horizontal side, 42. Bottom rectangle, vertical side, 3.

Diagram, rectangle partitioned vertically and horizontally into 4 rectangles. Top left rectangle, vertical side, 40, horizontal side, 30. Top right rectangle, horizontal side, 3. Bottom rectangles, vertical side, 2.

Diagram, rectangle partitioned vertically and horizontally into 4 rectangles. Top left rectangle, vertical side, 30, horizontal side, 40, area, one thousand two hundred. Top right rectangle, horizontal side, 2, area, sixty. Bottom left rectangle, vertical side, 3, area one hundred twenty. Bottom right rectangle, area, 6.

Diagram, rectangle partitioned vertically into 2 rectangles. Left rectangle, vertical side, 33, horizontal side, 40. Right rectangle, horizontal side, 2.

1. This diagram represents .

   Write the value of each product inside the rectangles.

   

   Diagram, rectangle partitioned vertically and horizontally into 4 rectangles. Top left rectangle, vertical side, 30, horizontal side, 60. Top right rectangle, horizontal side, 2. Bottom rectangles, vertical side, 5.

2. Find the value of .

3. This diagram represents .

   Write the value of each product inside the rectangles.

   

   Diagram, rectangle partitioned vertically and horizontally into 6 rectangles. Top left rectangle, vertical side, 30, horizontal side, one hundred. Top middle rectangle, horizontal side, 60. Top right rectangle, horizontal side, 2. Bottom 3 rectangles, vertical side, 5.

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4. Find the value of .

Here are some different diagrams that represent . For each diagram, write a multiplication expression inside each rectangle to represent the products.

1.  

   

   Diagram, rectangle partitioned vertically and horizontally into 6 rectangles. Top left rectangle, vertical side, 20, horizontal side, three hundred. Top middle rectangle, horizontal side, 10. Top right rectangle, horizontal side, 5. Bottom 3 rectangles, vertical side, 4.

2.  

   

   Diagram, rectangle partitioned horizontally into 2 rectangles. Top rectangle, vertical side, 20, horizontal side, three hundred fifteen. Bottom rectangle, vertical side, 4.

3.  

   

   Diagram, rectangle partitioned vertically into 3 rectangles. Left rectangle, vertical side, 24, horizontal side, three hundred. Middle rectangle, horizontal side, 10. Right rectangle, horizontal side, 5.

4. Use one of the diagrams to find the value of .
5. Explain why you chose that diagram to find the product.