Which is more?

How do you know?

How did you see it?

What did you notice that helped you compare?

K, 1

Seeing mathematics in the world

Attending to and using structure

Connecting number and quantity

Comparing quantities

Equal means the same

Composing and decomposing number

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

If you have access to playing cards, provide students with just the numbered cards: Can you create two groups of cards that are close to equal but not equal? How do you know they are not equal?