A polynomial and its different divisors Whiteboard exercise Play

Composite numbers Whiteboard exercise Play

Composite numbers Student activity Play

Composite numbers Animation Play

Divisors Whiteboard exercise Play

Finding the highest common factor Whiteboard exercise Play

Finding the highest common factor – methods Animation Play

Finding the least common denominator Animation Play

How many different divisors does a natural number have? A more difficult problem Student activity Play

How many divisors? Animation Play

How many divisors? Whiteboard exercise Play

Prime factorisation Animation Play

Prime factorisation Whiteboard exercise Play

Prime factorisation of composite numbers Student activity Play

Prime numbers Student activity Play

The highest common factor Student activity Play

The least common denominator Student activity Play