Practice and check
Worked example
Count and match the faces. Edges that join when folded must have the same length.
○ × 2 + ▭ → C
- ○ × 2 + ▭ → C
Check answers after trying
1: C 2: B 3: D 4: B
Count and match the faces. Edges that join when folded must have the same length.
Why this answer
- 1: ○ × 2 + ▭ → C
- 2: □ + △ × 4 → B
- 3: ▭ × 6 → D
- 4: □ × 6 → B
Next worksheet: Net to Solid Reasoning 3 - Which 3D Shape Does It Fold Into?
Tips for Parents
▸ Why It Matters The first net puzzle in this series only asked your child to fold flat shapes into a cube — a shape they already knew cold from blocks and dice. This second set raises the stakes by introducing nets for less familiar solids like pyramids and prisms, so pattern-matching to "that always looks like a cube net" stops working entirely. Recognizing a genuinely new shape family forces real geometric reasoning instead of a memorized shortcut, and that shift — from recognizing a familiar picture to reasoning about an unfamiliar one from its underlying structure — is exactly what separates mechanical pattern-spotting from real spatial intelligence, the same kind used by an architect imagining a building from a floor plan or an engineer reading blueprints for a part they've never built before. ▸ Getting Started Teach your child to ask one question before anything else: what shape is the base? If the net has triangles that all meet together at a single point, the solid is some kind of pyramid. If the net has two matching shapes at opposite ends with rectangles wrapped around them connecting the two, the solid is some kind of prism. Naming that family first — pyramid or prism — immediately narrows down which answer choices are even possible, long before your child needs to work out the exact fold. ▸ If They Get Stuck Have your child number the edges on the flat net that will touch each other once folded — edge 1 meets edge 1, edge 2 meets edge 2, and so on around the shape. This turns an abstract, hard-to-picture fold into a concrete matching game they can solve piece by piece, tracing each pair of edges with a finger instead of trying to hold the whole 3D shape in their head at once. ▸ Praise Points Watch especially for the moment your child correctly rejects a "trick" answer choice — one that looks almost right but has one face too many or too few. Praise that specifically: "You checked the number of faces and caught that this one had an extra rectangle that doesn't belong — that's such a sharp eye, and it's exactly how you avoid the traps in a tricky puzzle like this one."
What This Worksheet Builds
This worksheet trains recognition of less familiar solids like pyramids and prisms from their nets, teaching your child to identify the base shape family first — triangles meeting at a point vs. two matching ends with rectangles — rather than relying on memorized shortcuts.
Next Step
Ready for more? Try iq-3d-net-03, where the nets fold into solids with more faces and less symmetry, so getting it right takes a first guess plus a careful face-by-face check.