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 – EC – RT8
When estimating a large number of people, Janie asked people to gather into groups of 10. What would Janie’s reasoning be for asking people to group? Could she have grouped them in other ways?P – EC – RT9
Taylor and Sam estimated the number of people in line for hockey tickets. Both used referents of 20, but they had different estimates. How is this possible if they used the same referent?Page 2 of 27