Mathematics 1

# Surf for More Math

## Lesson 7 - Tangram Puzzles

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

### Goals

Use shapes to create other shapes.

Create shape pictures.

### Instructions for Use

Tangrams challenge students to solve puzzles using shapes.

To use Tangrams, choose a skill level. Drag and drop each shape into the square. Double-click on the shapes to rotate them. Click the "Rotate Al"' button to rotate more than one shape.

Tangram Games helps students create shape pictures.

Try to reproduce the shape in the upper right of the screen. Drag and drop the shapes unto the play area. To rotate the shape, click on the shape and then click on the rotate buttons. To see an outline of the finished shape, click the "Lines On" button. Click the arrows below the shape in the upper right of the screen to move to the next shape.

Tangram Puzzles helps students use shapes to create other shapes.

To use Tangram Puzzles, click on a picture at the bottom of the applet, and use all seven pieces to fill in the outline. To move a tangram piece, click on the piece and drag it to the desired location. To select a tangram piece, click on it. To rotate a piece, position the cursor over the shape until a black dot appears at the vertex. Click on the black dot and drag it to rotate. To colour a selected piece, click on a coloured button on the right. To flip the tangram piece, select it, and click on the flip button (red arrow). Click on the "Reset" button to clear the space.

When students have finished the puzzles, take the tangram challenge.