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7-48.

For each of the generic rectangles below:

  • Write the two numbers that are being multiplied. (They are the length and width of the rectangle.)

  • Predict the size of the product before calculating and be ready to explain your thinking.

  • Copy the rectangle on your paper and use it to multiply the given numbers.

  • Compare the exact answer with your prediction. How close did you get?

  1. top edge left 

    top edge right

    left edge 

    interior left blank

    interior right blank

    Find the area of each part of the rectangle.

    The rectangle has been completed for you.
    Find the total area of the rectangle.

    top edge left

    top edge right

    left edge

    interior left

    interior right

  1.   topedge left  

    top edge right

    left edge 

    interior left blank

    interior right blank

    Before you copy the rectangle, estimate the size of the product.

    Some of the rectangle has been completed for you.
    Fill in the rest yourself to find the product.

    top edge left

    top edge right

    left edge 

    interior left 

    interior right blank