Animation of extended mathematical exercises on the painted cubes to help solve the exercise. More details on the exercise on nrich: http: nrich.maths.org 2322 Next, an unknown number of sides of this larger cube are sprayed with red paint. Once the paint is dry, the larger cube is deconstructed into a stack of unit cubes. After deconstruction, you, Subject: Mathematics. Age range: 11-14. Resource type: Other. File previews. png, 10.html. 3D shapes, visualization, algebra - patterns and sequences. Key stage: 3 ★. A large cube made up of smaller cubes is dipped into a pot of paint, so that the entire exterior surface is covered.