Lesson 19 · Symmetry and Tessellation

Symmetry and Tessellation Presentation

MathematicsSubject
8 minEstimated read
Slide 1 of 4
Mathematics Class 6, Unit 19

Symmetry and Tessellation

Figures that fold to match · The axis of symmetry · Patterns with no gaps

What Today Covers

📐

Recognise symmetric figures and draw the axis of symmetry

🔢

Know how many axes a square, a rectangle and a triangle have

✏️

Complete half a figure across its axis

🧩

Build a tessellation and count the shapes in it

First task
Fold the Paper and Look
CUT
Cut a square, a rectangle and a triangle from paper.
FOLD
Fold along the middle, then along a diagonal.
CHECK
See whether the two parts land exactly on each other.
DRAW
Draw a dotted line where they matched.

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Presenter notes: Open by folding a paper square in front of the class. Today has two ideas in it: finding symmetry in a figure, and building a pattern that covers a surface.