What Comes Next? Red Rectangles

What do you notice? What do you wonder? What comes next?

First, a 4 by 6 rectangle. Next, a rectangle with vertical side length 6 and perimeter of 30. Then, an 8 by 12 rectangle. Last, a rectangle with vertical side length of 10 and perimeter of 50.

Draw or use objects to show what the next few pictures look like. Describe how you know what comes next.


What would the 12th picture look like?

What might earlier pictures look like? Why do you think so?


Create your own area or perimeter pattern and share it with someone else. Ask them what comes next!