How many?

How do you know?

How did you see it?

K, 1, 2

Attending to and using structure

Connecting number and quantity

Composing and decomposing number

Making 5 and 10

Thinking in equal groups

Sorting, organizing, and using attributes

Using units to count, measure, and compare

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

How could you make a different array using the same coins?

For grades 2 and up: Could you make an array that uses different coins, but that has the same total value?