Nets of 3D objects

Flat patterns that fold into a cube, prism or pyramid. Read one part at a time and tap “I know this”. Then test yourself in the quiz.

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Nets

A net is the flat pattern you can fold to make a 3D object.

Cube: 6 squares.
Rectangular prism (a box): 6 rectangles in 3 matching pairs: top and bottom, front and back, and the two ends. Faces that are opposite each other on the box must be the same size.
Triangular prism: 2 triangles and 3 rectangles.
Square pyramid: 1 square and 4 triangles.

Meerkat tip

Fold it in your head: would two faces overlap? Then it is not a real net.

Tap when you could tell someone without looking.

Remember this: your summary

Write these points in your book. Read them again the night before the test.

Memory trick

Fold it in your head.

Flash cards · Tap to turn over

First say the answer yourself, then turn the card over.

Now the real quiz!

The quiz has many more questions on this topic. Every question shows straight away whether you are right and explains why.

For parents

Let your child work the examples on paper and explain them to you.
The ticks (“I know this”) are saved on this device only. We never ask for names or emails.

Follows CAPS for Grade 5 Mathematics. Always check your teacher’s notes and textbook too.