Factors and Multiples - Secondary Resources

Looking for favourite "rich tasks" from the NRICH collection?

These resources have been chosen because they are ideal for developing knowledge and understanding of Factors and Multiples.

Dozens

Stage: 3 Challenge Level:

This problem offers a twist on the usual way of thinking about divisibility tests.

Stars

Stage: 3 Challenge Level:

This problem encourages students to see the maths underpinning a situation. In this case it is the importance of factors and multiples in what is at first glance a geometrical setting.

Factors and Multiples Game

Stage: 2, 3 and 4 Challenge Level:

This game can replace standard practice exercises on finding factors and multiples.

Factors and Multiples Puzzle

Stage: 3 Challenge Level:

This puzzle provides an interesting context which challenges pupils to apply their knowledge of the properties of numbers.

Divisibility Tests

Stage: 3 and 4

This article takes the reader through divisibility tests and how they work. An article to read with pencil and paper to hand.

Sieve of Eratosthenes

Stage: 3 Challenge Level:

This problem offers students opportunities to explore the connection between primes and multiples.

American Billions

Stage: 3 Challenge Level:

This is an engaging context in which to reinforce rules of divisibility and challenge students to reason mathematically and work systematically.

Take Three from Five

Stage: 4 Challenge Level:

This problem offers students the opportunity to explore properties of multiples and remainders.

Product Sudoku

Stage: 3 Challenge Level:

This problem offers an engaging context in which to apply knowledge of factors, multiples and prime factor decomposition.

Factors and Multiples - More Secondary Resources

Stage: 3 and 4

Some extra resources to support work on Factors and Multiples at Secondary level.