How Many Triangles 1

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Keywords: Starter | Problem Solving | Shape
"This triangle starter is excellent. I have used it with all of my ks3 and ks4 classes and they are all totally focused when counting the triangles."

*Judy, Chatsmore CHS
Thursday, October 12, 2006

"All my S1 - S4 classes enjoyed this activity at different levels. S3 have managed to write a formula for the number of triangles in an n-row triangle. Excellent!"

Jo Melville, Aberdeen
Friday, June 22, 2007

"A great all-purpose starter for any lesson. Got my little ones on task and ready for their lesson."

Guy Broster, Cumbria, UK
Sunday, September 16, 2007

"It is a great starter that could be improved if the demonstration counted along with the shading of the different triangles."

Mr R. Ditta, Stokesley School, North Yorkshire
Wednesday, October 03, 2007

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Not for me! I wouldn't use this type of activity.

This starter has scored a mean of 4.5 out of 5 based on 95 votes.

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How Many Triangles 1

A Maths Starter of The Day