K – CO – RT4

You are asked to sharpen pencils for the writing center. You notice that two of the pencils have a much different length than the other pencil. Describe the three pencil lengths.

K – CO – WP4

A basketball and balloon looked to be the same size. How can you figure out which is heavier?

K – CO – OE6

Two containers hold the same amount. What could the two containers be?

K – CO – PP18

Provide students with two different-sized containers. Ask them which container holds less.

K – CO – PP19

Provide students with two different-sized containers. Ask them to predict and then test which container holds more.

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