You will need:
24 square tiles (or square sticky notes)
something to write with.
Transcript coming soon.
What is the same about these two rectangles?
What is different about these two rectangles?
What are you wondering?
Can you make another rectangle that uses 12 squares?
How many different rectangles can you make?
How will you know when you have found them all?
Are there multiple ways to make rectangles with 24 squares? What about 18 squares?