Topic 8
Shapes & Solids
Step 1 · Learn
Read the ideas
- ◻️🔒
The Quadrilateral Family
Squares, rectangles, rhombuses, trapeziums.
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Sorting Triangles by Sides
Equilateral, isosceles or scalene?
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Sorting Triangles by Angles
Acute, right or obtuse, sort by angles.
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Compound Perimeter
Compound shape? Walk every edge, add them up.
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The Solid Family
Faces, edges and vertices for cubes, prisms, pyramids and more.
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Cube Nets
Plus shape folds. Straight line doesn't. 11 valid nets total.
Step 2 · Practice
Try the quests
Step 3 · Boss Battle
Beat the boss
🛡️ 🛡️ 🛡️ 3 shields — lose all → 60-second cooldown
Round 1
A seal on the vault has 4 equal sides,…
🔒Round 2
A crystal triangle is both OBTUSE and…
🔒Round 3
A cube net is a plus-sign: a centre…
🔒Round 4
A triangular plate has its three sides…
🔒Round 5
The keyhole is an L-shape: a 10 cm × 8…
🔒Round 6
A square-based pyramid and a triangular…
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