Quiz · 3D Shapes & Spatial Reasoning
A net is a 3D shape unfolded flat. Picture each one folding up in your head: will it make a cube, and which face ends up opposite which? One of the trickiest spatial-reasoning skills, and a favourite in aptitude tests.
Think in three dimensions: identify solids, fold cube nets in your head and count the cubes in a stack.
Before you start
You have 30 seconds for each question. When time runs out, the question counts as wrong.
Your first choice is the one that counts. It is checked straight away, with an explanation where there is one.
At the end you see your score and can go back through every question and its answer.
XP scales with your score. Replays earn XP only when you beat your previous best.
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Mathematics · 3D Shapes & Spatial Reasoning
Stacks of building blocks drawn in 3D. Count every cube, including the ones holding up the rest, then work out how many more you would need to finish the block. A great workout for spatial thinking.
Mathematics · 3D Shapes & Spatial Reasoning
Cubes, cones, cylinders, prisms and pyramids are everywhere, from dice and tins to tents and ice-cream cones. Name each solid from its drawing, then count its faces, edges and vertices like a true geometer.