Multiple representation of proof

Last updated: 15/11/2023
Contributor: David Main
Multiple representation of proof
Main Subject
Key stage
Algebra: Proof
Includes answers
Resource type
Student activity
Complete lesson
Powerpoint for GCSE or early KS5 showing multiple proofs of the statement:

The sum of two consecutive triangular numbers create a square number.

The activity takes a class through visual representation and pattern spotting to algebraic proof of the statement. Students may benefit from having manipulatives available to create triangular and square numbers and patterns of them.

All reviews

There are no reviews yet. Have you used this resource?