What shapes does Lucy decompose the figure into?
1 triangle and 2 rectangles.
Are there other ways to break down the figure besides the way Lucy does it? If so, what are they?
Yes. Answers vary for what shapes the figure can be broken down into.
How many sides and angles does a triangle have?
3 sides and angles.
How many sides and angles does a rectangle have?
4 sides and angles.
How can you use what you know about calculating the area of rectangles and triangles to find the area of the figure?
Add the areas of the rectangles and triangle.
How do you find the area of the rectangle?
Possible answer: Multiply the side lengths.
What is the area of the rectangle with side lengths of 5 cm and 4 cm?
What equation can you write to find the missing side length of the rectangle?
What is the missing side length?
What formula can you use to find the area of the triangle?
What is the area of the triangle? How do you know?
What is the total area of the figure? Support your answer.
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