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Inside Triangles
Age 5 to 7
Challenge Level 
You could try with a three by three dotty grid first to get the
idea of the problem.
You might want to work with a partner so you have someone to check that your triangles are all different.
Have you got all the triangles which have a corner at the corner of the grid?
You might want to work with a partner so you have someone to check that your triangles are all different.
Have you got all the triangles which have a corner at the corner of the grid?
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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?
