Card Castle Addition

Max and Ruthie decide to build a 20-floor card castle. For each group of children below, show at least one way they can split up the work.

10 floors + 10 floors = 20 floors Now you come up with another way Max and Ruthie can split up the work: + __ = 20 floors

How can three kids split up the work? + __ + __ = 20 floors

How can four kids split up the work? + __ + + __ = 20 floors

How can five kids split up the work? + __ + + __ + __ = 20 floors