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 – OE9
Your estimate for a quantity is a small 3-digit number. What could you be estimating?P – EC – OE10
Your estimate for a quantity is a large 3-digit number. What could you be estimating?P – EC – OE11
What would you use as a referent if you had to estimate the number of students in a classroom you are visiting?Page 5 of 334