You are currently browsing the tag archive for the ‘prime numbers’ tag.


Code breaking is a good activity to introduce problem solving skills and real world careers for mathematicians. 

Code Cracking worksheets

Marcus De Satouy video explaining codes

Counton website to generate different codes

Nice Morse Code Generator

Numberphile also have a good introduction to public key encryption using prime numbers.

Website Stats



All content on this site has been written by Andrew Chambers (MSc. Mathematics, IB Mathematics Examiner).

New website for International teachers

I’ve just launched a brand new maths site for international schools – over 1500 pdf pages of resources to support IB teachers

Explore here!

Free HL Paper 3 Questions

Eight P3 investigation questions and fully typed mark scheme (around 240 marks)

Available to download here

IB Maths Exploration Guides

Three comprehensive pdf guides to help you get excellent marks on your maths exploration coursework.

Available to download here.

Recent Posts

Follow IB Maths Resources from Intermathematics on