K – CO – PP13

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

K – CO – PP14

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

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 – CN – OE3

I have two numbers that are close to one another. What are my two numbers?

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