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I'm Eight

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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?

Unit Differences

Stage: 1 Challenge Level: Challenge Level:1

Begin by deciding which multiple of 10 you are going to work with. Will it be 10 or 20 or 30 or 40 or 50 or 60 or 70 or 80 or 90?

Then pick two numbers and find the difference between them.

This sheet of blank pyramids may be useful.