Proof - the sequence of odd integers

Last updated: 15/11/2023
Contributor: David Main
Proof - the sequence of odd integers
Main Subject
Key stage
Algebra: Proof
Includes answers
Resource type
Student activity

A Powerpoint for GCSE, showing proof of the statement:

The sum of the sequence of odd integers, starting at 1, is a square number.

The activity takes a class through visual representation to algebraic proof of the statement. Students may benefit from having manipulatives available.

A great starting point for proof at KS4, or upper KS3.

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