K – CO – PP15

Provide students with two bags containing the same mass. Ask them to predict and then test which bag is heavier.

K – CO – PP16

Provide students with two bags containing the same mass. Ask them to predict and then test which bag is lighter.

K – CO – PP17

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

K – CO – PP2

Provide students with pieces of string of different lengths. Ask them which string is longer.

K – CO – PP3

Provide students with pieces of string of different lengths. Ask them to predict and then test which string is shorter.

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