Three differentiated questions then reinforce understanding of angles in a triangle, use of a protractor and introduce an investigation about fitting different triangles into a 30cm square pizza box.

Working with Sketch 5 Project Sketch 5 on the screen. Introduce the term scalene (pink triangle) and equilateral (outline). Have one student drag the scalene triangle to review its properties. Have ...

A maths professor shared a quiz on social media that begins with a drawing of a small triangle within another bigger triangle - and asked his viewers to try and solve it Comments News Chiara ...

Named for Plato, who theorized that the classical elements were made of these regular polyhedrons, three of the Platonic solids are composed of equilateral triangles: the tetrahedron, octahedron ...

Working with Sketch 4 Project Sketch 4 on the screen and ask the students to explore which coloured triangles could fit into the given triangle outlines. For the sketch, all the outlines are made of ...