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Here are some specific activities, investigations or visual aids we have picked out. Click anywhere in the grey area to access the resource.

- Angles in a Triangle Video A reminder of how to use the fact that the angles in a triangle sum to 180 degrees to find the size of unmarked angles in triangular diagrams.
- Angles in a Triangle A self marking exercise involving calculating the unknown angle in a triangle.
- Different types of Triangle Euclid and his friends explain how many different kinds of triangle there are.
- Polygons Name the polygons and show the number of lines and order of rotational symmetry.
- Online Logo An online version of the Logo programming language with 30 mathematical challenges.
- Area shapes Investigate polygons with an area of 4 square units. This is your starting point, you can decide how to proceed.
- Polygon Angles Animation Barbara Bug walks around a regular hexagon turning through each of the exterior angles as she goes.
- Shapes In The Stars Join up the stars to find the hidden regular polygons.
- Polygon Angles Video A concise reminder about angles, both interior and exterior, in regular and irregular polygons.
- Polygon Angles A mixture of problems related to calculating the interior and exterior angles of polygons.
- Tessellations Drag the shapes onto the canvas to create tessellating patterns then try the tessellations quiz.
- Polygon Pieces Arrange the nine pieces of the puzzle on the grid to make different polygons.
- Polybragging The Transum version of the Top Trumps game played online with the properties of polygons.
- Polygon Properties Connect the names of the polygons with the descriptions of their properties.
- Polygon Hunting Find all the polygons that can be drawn by joining dots on this seven dot grid.

Here is an exam-style questions on this statement:

Click on a topic below for suggested lesson Starters, resources and activities from Transum.

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