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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?
Three Fingers and a Loop of String
Using a loop of string stretched around three of your fingers, what different triangles can you make? Draw them and sort them into groups.
Age 5 to 7 Challenge Level:
How is the starting triangle split? Can you cut your
own triangle in the same way?
What happens to the new shapes then?
You can always pause the film at any point so you can look carefully at the images.
What happens to the new shapes then?
You can always pause the film at any point so you can look carefully at the images.
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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.