You may never have heard of modular arithmetic, but you use it every day without the slightest difficulty. In this system, numbers wrap around when they reach a certain size called the modulus; it is ...

Students should be able to perform basic operations (addition, subtraction, multiplication, division) and have an understanding of basic Algebra. Students should also understand what the basic number ...

One of my fellow contributors here recently wrote a post about leap years and why we have them. This reminded me of modular arithmetic and the formula for calculating the day of the week for any date ...

Before two strangers can communicate securely online, they must solve an ancient puzzle: agreeing on a secret without ever ...

This 93-slide resource covers the full Functions and Modulus chapter from the Additional Mathematics syllabus. It is designed to provide around 2 weeks’ worth of lessons, revision and practice, making ...