Are there more purple squares or green squares?

How do you know?

How did you see it?

How could you figure it out?

2, 3, 4, 5, 6+

Attending to and using structure

Comparing quantities

Composing and decomposing number

Thinking in equal groups

Connecting area and multiplicative thinking

After the class has discussed the questions above, you can extend this activity by posing the following questions:

Design your own arrays: Design two arrays that look like they have about the same number of squares shaded, but they are not equal.

How did you do it?

What were you thinking about?