P – EC – WP13

Two children were looking at stars in the sky. To estimate the number of stars in the sky, one child said she would use a referent of 5 while the other child said she would use a referent of 50. Which referent would be more suitable for estimating stars in the sky?...

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?

P – EC – OE3

About how many chapter books could fit in your backpack?

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