Which is more?

How do you know?

How did you see it?

K, 1, 2

Seeing mathematics in the world

Attending to and using structure

Connecting number and quantity

Comparing quantities

Equal means the same

Composing and decomposing number

Decomposing and using benchmarks to estimate

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

What makes two groups look equal when they are not?

What makes two groups that are equal look like they are not equal?