K – RN – RT11

You see two numbers in your classroom. Represent each of these numbers.How are the representations different?

K – RN – RT1

Five frames can also be used to represent two numbers. How is this possible? Show your thinking.

K – RN – RT2

Ten frames can also be used to represent two numbers. How is this possible? Show your thinking.

K – S – RT1

Calli and Tommy want to make dot cards with the numbers 1 to 5. They think that using two different colors of stickers on each dot plate will help their classmates see the numbers more clearly. Show how they can make the dot...

K – S – RT2

Fiona and Morgan want to make dot cards with the numbers 6 to 10. They think that using two different colors of stickers on each dot plate will help their classmates see the numbers more clearly. Show how they can make the dot...

Subscribe To Our Newsletter

Join our mailing list to receive the latest news and updates from Dr. David Costello.

You have successfully subscribed!