P – EC – ID3

Our class was asked to organize the school’s milk program for one month. Our task was to be efficient when ordering so we don’t have a lot of waste.

P – EC – WP14

Two children were looking at the number of school buses in the parking lot. To estimate the number of school buses in the parking lot, one child said she would use a referent of 10 while the other child said she would use a referent of 100. Which referent would be...

P – EC – OE1

What would you use as a referent to estimate the Length of the hallway?

P – EC – OE2

What would you use as a referent to estimate how tall the classroom is?

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