K – CO – OE12

One object is a lot lighter than another object. What could the heavier object be?

K – CO – WP11

Clara made a bridge that was four pieces of paper long and Annabelle made a bridge that was three pieces of paper long. Whose bridge was longer?

K – CO – OE13

Two items are the same length. What could the two items be?

K – CO – PP9

Provide students with two bags containing objects of different masses. Ask them which bag is heavier.

K – CO – PP10

Provide students with two bags containing objects of different masses. Ask them which bag is lighter.

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