K – CO – PP27

Provide students with two different items of the same length. Ask them to predict and then determine which item is longer.

K – CO – WP14

You have two bowls to use for the art center. How can you figure out which bowl holds the most water?

K – CO – OE16

It is hard to measure the length of two items. What could these two items be?

K – CO – PP12

Provide students with two bags containing objects of different masses. Ask them to predict and then test which bag is lighter.

K – CO – PP13

Provide students with two bags containing the same mass. Ask them which bag is heavier.

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