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Nelson Education > School > Mathematics K-8 > Mathematics 3 > Parent Centre > Surf for More Math > Chptr 7 Lssn 1
 

 

Surf for More Math

Lesson 1 - Exploring Tangrams

 

To encourage your child to have fun on the Web while learning about Exploring Tangrams, here are some games and interactive activitiesthey can do on their own or in pairs.

 

Goal

Solve tangram puzzles.

 

Builds Upon

Student Book pages 174-175

 

Instructions for Use

Tangram Puzzles helps your child describe figures and visualize what they look like when they are transformed through rotations or flips, or are put together or taken apart in different ways.

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 you have finished the puzzles, take the tangram challenge .

Tangrams challenge your child to solve geometry puzzles.

To use Tangrams, choose a skill level. Drag and drop each shape into the square. Double-click on the shapes to rotate them 90°. Click the 'Rotate All' button to rotate more than one shape.

 

Tangram Games helps your child to reproduce and solve geometry puzzles.

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.

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