The document discusses building rectangles and squares using grid paper and 16 total squares. It asks how many different rectangles can be built, what are the dimensions and areas of the 5 biggest squares that can be made, and the relationship between side length and area of a square. It also asks why areas of squares are called perfect squares or square numbers.

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What do we know about Rectangles?

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How many different rectangles can you
build with 16 squares on the grid?

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Building Squares
How many tiles do we need?
# Tiles Is it a Square? Area
Yes or No?
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What are the dimensions of the next 5 biggest squares?
What are the areas of these squares?
Draw them out using grid paper.
What is the relationship between the side length of the
square and the area?
Why are the areas called perfect squares or square
numbers?
Side Length of Square Area of Square
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