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Home > CC1 > Chapter 2 > Lesson 2.3.2 > Problem 2-65


Draw a generic rectangle to help you calculate each product. For each part, write: (total dimension)(total dimension) = sum of individual area parts = total area. For example, the diagram at right shows that .


  • Think back to the way you solved the generic rectangles in class. Change 73 to 70 + 3. Change 42 to 40 + 2.

  • Part of the rectangle has been filled in for you.

  • Generic rectangle

    top edge

    top edge right blank

    left edge top blank

    inteterior top left    

    interior top right blank

    left edge bottom

    interior bottom left blank

    interior bottom right


    This one is solved just like the one above. Remember to add a hundreds place column.

Generic rectangle

top edge left

top edge right

left edge top

interior top left    

interior top right     

left edge bottom

interior bottom left

interior bottom right