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JC 3D Shapes - Coggle Diagram
JC 3D Shapes
Lesson 1 – Nets & Surface Area
2D vs 3D shapes
3D shapes = length, width, height
What is a net?
Cube net
Build a cube
Surface area = total area of all faces
Cube surface area = 6 × one face
Faces of a cube are equal
Cuboid nets
Use nets to calculate surface area
Sketch → label → calculate
Lesson 2 – Volume of 3D Shapes
Recap nets & surface area
What is volume?
Compare shapes
Need length, width, height
Formula: Volume = L × W × H
Count cubes → link to formula
Units: cm³ / m³
Build understanding with blocks
Solve volume questions
Real-life problems