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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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Review this resource06/12/2020
