Symmetry

• Wiskunde
• Middelbare school
• vwo
• Leerjaar 1

What do you know about symmetry?

Which of the traffic signs
is symmetrical and why?

What kind of symmetry do you know?

Lesson plan:

• Line symmetry
• Rotational symmetry
• Point symmetry

What do you need to have on your table:

Protrector triangle, pencil, eraser, pen, notebook, book

Line symmetry

• dictionary
• drawing

Steps for mirroring a figure in a line:

Rotational symmetry

• Dictionary
• Calculating the smallest angle of rotation

Steps for calculating the smallest angle of rotation:

Point symmetry

• dictionary
• drawing

Steps for reflecting a figure in a point:

Homework

Introductory:4, 5, 11

Standard:2, 3, 6, 7, 9, 10, 12, 13, 15

Extension:Page 94-95 q 1, 2

Class notebook: Saskia D1e, Iskander D3b, Kai D7d, Felice D10c, Helen D14b