Kia ora koutou, last week Poutama has been using "mathematical argumentation" to communicate ideas in maths. We used the Rio Olympics medal prediction from the paper to use numbers in an authentic context. Children worked in small groups to create a "gold winning performance" (the most efficient strategy) to add the total number of medals for a country. But you can already see the total already you say? This activity is heavily embedded in the strategy section of mathematics, where the answer is not the goal. Children then debate which strategies are gold.
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