Problem 1 is all about visualising 3-D shapes and counting cubes. Maths teacher Chris Smith and pupils from Grange Academy are here to explain. The Maths Week Scotland Daily Challenges have been set ...

Imagine a 3×3×3 cube (like a Rubik’s cube) that can be cut into separate pieces along the lines between the 27 individual small cubes that make up the larger shape. If we are allowed to cut through ...