K – PN – RT5

Sammy broke a number into two parts. She said that she could make three different pairs of parts for the number. What could Sammy’s number have been? Explain your thinking.

K – PN – RT6

You notice that there are only a few ways to break a number into two parts. What could the whole be? Explain your thinking.

K – PN – RT7

You notice that there are many ways to break a number into two parts. What could the two parts be? Explain your thinking.

K – PN – RT8

When you break a number into two smaller parts, you notice that the two parts are close together in the number sequence. What could the whole number and two smaller parts be?

K – PN – RT9

When you break a number into two smaller parts, you notice that the two parts are not close together in the number sequence. What could the whole number and two smaller parts be?

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