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Let's Investigate Triangles
Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?
Age 5 to 7 Challenge Level:
We present this activity as a way for adults to engage with just a few pupils at a time. It works well to encourage the youngsters to talk about their thoughts and how they have reached their conclusion/s.
There are a lot of variations but the open questions allow the children to speak freely. Please watch this very short video as a stimulus for what you could do with your own pupils. However, it would be worth reading the Notes first.
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.