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'Seven Sticks' printed from http://nrich.maths.org/
Why do this
allows children to be creative in applying their
knowledge of properties of triangles. It will encourage learners to
talk to each other and therefore will help them become more
familiar with appropriate vocabulary.
What do you know about triangles?
How will you remember that arrangement?
Many learners will benefit from having sticks of some kind to
manipulate, for example headless matches or lolly sticks.