Yesterday we used our balance scale to figure out the weight of so many pennies. We started with 5g and kept adding pennies and grams. Eventually we put all of our plastic weights together (150g) and then evened out the other side with pennies. 57 pennies weigh about 150g.
Then we had some fun seeing what weighed about 150g. A penguin, Justin Bieber and about 5 magnets weigh about 150g.
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