# Surf for More Math

## Lesson 3 **- Rotational Symmetry**

To encourage students to have fun on the Web while learning about Rotational
Symmetry, here are some games and interactive activities they can do
on their own or in pairs.

**Goal**

Determine whether and how a shape can be turned to fit on itself.

**Builds Upon**

Student Book pages 422-424

**Instructions for Use**

Rotational
Symmetry 1 lets students determine how a shape can be turned to
fit itself.

To use Rotational Symmetry 1, watch the animation.

Rotational
Symmetry 2 prompts students to draw designs using rotational symmetry.

To use Rotational Symmetry 2, click on a coloured circle and then click
on the grid. To change colours, click on a different coloured circle
and click on the grid. To erase the grid, click on the eraser.