Practise working out properties of triangles with this quiz. You may need a pen and paper to help you with your answers. A triangle is a rigid shape and is used in the construction of bridges.

Discusses the properties and types of triangles, explaining that a triangle is a closed figure with three sides and angles. It categorizes triangles into equilateral, isosceles, scalene ...

to build on students' knowledge of triangle and develop students' reasoning with properties of different classes of triangles to develop students' language related to different triangles to engage ...

to build on students' knowledge of triangle and to develop students' reasoning with properties of triangle to develop students' language related to attributes of triangles (e.g., from 'it looks like a ...