List

Exploring our number system

Simple ideas, like adding together two odds to make an even, can lead to fascinating insights with important real world applications.

In this feature, we have chosen some resources from the Exploring Our Number System pathway on wild.maths.org.

Here's how you can send your solutions to these problems.

problem

Factors and multiples chain

Age

11 to 16

Each number must be a factor or multiple of the last. What's the longest chain you can make?

problem

Always a multiple?

Age

11 to 16

Think of a two digit number, reverse the digits, and add the numbers together. Something special happens...

problem

How to solve equations

Age

11 to 16

Watch this talk by Dr Vicky Neale as she explores some equations, and covers some highlights from the rich history of number theory along the way.