Three presentations that can be used to run lessons on triangles.
1) A lesson presentation used for introducing calculating the perimeter of a triangle. Included in the presentation is what perimeter is, how to calculate the perimeter of a triangle, different types of triangles, practise questions to practise calculating the perimeter of a triangle and questions that make children apply the rules they know in a slightly different way.
2) A lesson presentation used for introducing calculating the area of a triangle. Included in the presentation is what area is, how to calculate the area of a triangle, practise questions to practise calculating the area of a triangle and questions that make children apply the rules they know in a slightly different way.
3) A lesson presentation used for introducing angles in a triangle. Included in the presentation is the different types of triangles, different types of angles, total angles in a triangle and practise questions that get children to calculate the missing angle/ think about triangle properties carefully.