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3:00
YouTube
Minity Maths
Triangular Numbers Explained
This video explains what triangular numbers are and the patterns associated with them. Two puzzles are at the end of the video. See our video about how to find the nth triangular number: https://youtu.be/bccRD2AvnSU Skip to: 00:00 Introduction 00:22 What exactly is a triangular number? 00:42 What patterns do you notice about the sequence? 01:43 ...
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