K – CC – PP25

Ask students to take a handful of linking cubes. Ask students to count the linking cubes and say how many cubes they have.

K – CC – RT1

Tanya said that the way she arranged her books changed the amount she had in her collection. What advice about counting would you give to Tanya?

K – CC – PP10

Provide students with a set of 3 items. Ask students to count the items. Ask students to show you 3. Note whether students point to the last item counted or whether they show the set of 9 items.

K – CC – WP1

Word Problems are not optimal for this particular key concept.

K – CC – RT2

Two students were asked to count all the marbles in a collection. After counting the collection, Susie said there were 6 marbles. After Paul counted the collection, he said there were 7 marbles. Can they both be correct? Explain your...

Subscribe To Our Newsletter

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

You have successfully subscribed!