P – EC – RT4

You are asked by your teacher to estimate how many books all of your classmates could fit into their backpacks. How would you determine a referent? What would your estimate be? Explain your thinking.

P – EC – RT5

You and your class are on a nature walk. You become interested in something you notice and make an estimate. This estimate is a large number. What could you have noticed that would make sense for such a large estimate? Explain your...

P – EC – RT6

You and your class are on a nature walk. You become interested in something you notice and make an estimate. This estimate is a large number. What size of referent would have made sense? Explain your thinking.

P – EC – RT7

Two students were estimating the number of people on the playground. One student used a referent of 5 while another student used a referent of 20. How could both referents be appropriate? Explain your thinking.

P – COA – RT3

Your class is planning a celebration to showcase the great work everyone has been doing. To plan for this event, you must create a graph that displays the number of people in each student’s family.

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