A triangular number counts objects arranged in an equilateral triangle.
I think this is pretty much all you’ll ever need on the topic of Triangular Numbers - with 11 self-contained worksheets!
It uses animated PowerPoint presentations to drive the session , and is accompanied with Worksheets and answers.
ALL my postings are FULLY “classroom-tested” - I have delivered these lessons successfully on numerous occasions. Before I publish, my lessons are tested in the classroom by both myself and colleagues, rigorously evaluated, and continually updated to maximize their effectiveness.
Let me know if you have any questions, and a BIG BIG thanks for looking (as a practicing teacher, I KNOW how time consuming this process can be).
Search words: maths, numeracy, numbers, square numbers, squares, sequences, patterns, worksheet, triangular numbers
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