K – PN – RT1

You have counters on your desk. Some counters fall onto the floor. Now, there are some counters on the desk and some counters on the floor. How many are on the floor and how many are on your desk? How many counters do you have...

K – PN – RT2

You and a partner each have a collection of linking cubes. When you each break apart your collection, sometimes you have the same amounts in each part and other times the amounts in each part are different. Do you each have the same number of linking cubes in your...

K – PN – RT3

You notice when you break a number into two parts, that one of the parts is a big number? What could the whole and two parts be? Explain your thinking.

K – PN – RT4

You notice when you break a number into two parts, that one of the parts is a small number? What could the whole and two parts be? Explain your thinking.

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.

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