Same & Different: Rows & Shapes

Look at the two pictures. What do you notice?

A. shows 5 red triangles in the top row. 5 blue rectangles in the bottom row. B. shows 5 yellow triangles in the top row. 2 yellow triangles and 3 red circles in the bottom row.
  1. How are pictures A and B mathematically the same, and how are they different?
    • A and B are the same because …
    • A and B are different because …
  2. Make a third picture that uses 10 shapes. Explain how your picture is the same as pictures A and B, and how it is different. You can use some of the shapes below or choose your own.
A mix of 20 shapes. 5 red triangles. 7 yellow triangles. 3 red circles. 5 blue rectangles.