And so it begins. The 4th Red Bull Rubik’s Cube World Cup – the pinnacle in competitive speedcubing – happens this week. Over on gather.town, the best cubers in the world are warming up their hands ...

linking ratios and fractions close fractionThe result of one integer divided by another. It is written with one integer above the other with a horizontal line between them. The denominator must not be ...

Maths problems are usually written in words and often have more than one step. You might not be able to work them out in your head. You need to work in steps to find the answer: Step 1 - Read through ...