We made boats out of paper and then placed marbles in each boat. We worked out how many we could put in the boat until it sunk from the weight.
Our next step was to work out how heavy each marble was. For this we needed to use our scales and measure 10 marbles, we then divided this total by ten to get the average. We worked out each marble was 4 grams.
The last thing we tried was halving the size of our paper to make smaller boats and estimating how many marbles it could carry.
All is all it was a great problem solving activity. Many thanks to our buddies from Nikau. Below are some photos showing our learning.
Working out the average weight of each marble using the scales.
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