11 maths 3d shape nets practice
21 October 2026
Understanding 3D shape nets
3D shape nets are flat patterns that can be folded to form a solid shape. In 11+ Maths, children may be asked to identify, draw or match nets with the correct 3D shapes. Practising nets helps children visualise how shapes fit together.
Why nets matter for 11+ Maths
Questions on 3D shape nets test spatial reasoning and understanding of properties like faces, edges and vertices. Being confident with nets supports problem-solving in geometry and helps tackle a range of exam questions.
Worked example: finding the net of a cuboid
Step 1: Identify the faces. A cuboid has 6 faces. For example: 2 rectangles of 5 cm × 3 cm, 2 rectangles of 5 cm × 4 cm, and 2 rectangles of 3 cm × 4 cm.
Step 2: Draw each face. Sketch each rectangle with the correct dimensions.
Step 3: Arrange the rectangles. Lay them out so they can be folded into a cuboid. The arrangement should allow all sides to connect properly.
Step 4: Count and check. Make sure there are 6 rectangles and that their sizes match the cuboid's faces.
The cuboid net has 6 faces in total.
Building confidence with practice
Encourage your child to cut out and fold nets from paper. This hands-on activity helps them see how flat shapes become 3D objects, making exam questions less intimidating.
Key insight: Understanding nets is essential for mastering 3D shapes and solving related 11+ questions confidently.
