A hen’s egg, a pen, a newborn baby and a glass of water.

How heavy do you think these things are?

Can you arrange these things in order from the lightest to the heaviest?

Here are their masses in grams:

44o grams,   6 grams,   60 grams,

4000 grams or 4 kilograms.

Can you match the correct mass to each one?

How heavy are you?

Click here for the Notes for teachers.


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