📘 Chapter 4 · Geometry
Lines, angles, shapes, symmetry — the maths of "what does it look like?".
📖 Lessons coming soon
Full lesson content unlocks when class reaches this chapter. Practice and Exam are ready right now — give them a go!
✍️ Practice
1. Sides & Vertices
Sides of a triangle =
Sides of a quadrilateral =
Sides of a pentagon =
Sides of a hexagon =
Sides of an octagon =
2. Angle Types
Type: acute / right / obtuse / straight
An angle of 90° is
An angle of 45° is
An angle of 120° is
An angle of 180° is
3. Lines of Symmetry
A square has __ lines of symmetry:
A rectangle (not square) has __ :
An equilateral triangle has __ :
A scalene triangle has __ :
4. 3D Shapes
Cube has __ faces:
Cube has __ vertices:
Cube has __ edges:
Cylinder has __ flat faces:
5. Angles in shapes
Sum of all angles in a triangle (degrees) =
Sum of all angles in a square =
Each angle in an equilateral triangle =
Each angle in a square =
6. Circles & lines
Centre to edge of a circle is the
Edge to edge through centre is the
Lines that never meet are __
Lines meeting at 90° are __
📝 Chapter Exam
25 mixed questions, hard timer of 30 sec per question. Navigate freely between questions, mark for review, and submit when ready.
- ✓ All answers reviewed at the end with the correct answer + 💡 rationale
- ✓ Optional email delivery to a parent at submission
- ✓ Star rating + XP awarded based on your score