Triangle numbers

Last updated: 22/01/2018
Contributor: Miss Chidlaw
Triangle numbers
Main Subject
Key stage
Category
Number: Types of number
Inside
Includes answers
Resource type
Student activity
Maths
Reasoning

A well-scaffolded investigation into triangle numbers for KS3 or lower KS4. Students could use multi-link cubes, or simply squared paper, to find and explore the triangle numbers, looking for patterns and generalising. Algebra is not explicitly shown but could be introduced if appropriate.

Sections include:

  • finding triangle numbers
  • adding consecutive triangle numbers
  • adding the same triangle number

 

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5

06/12/2020

5

06/12/2020