This is a whole lesson on the Angle Rules of Triangles. It is amazing how often Isosceles triangles come up in exams and even though it appears simple this is not a straightforward topic. The lesson ...

A fully resourced area, perimeter and volume lesson for being able to find the area of any triangle (including finding the area of right-angled triangles, using perpendicular height and finding ...

Even a child could understand the lesson of the Triangle trial. It’s so clear—clearly detailed from top to bottom. It’s this: the workers under current conditions cannot be helped other than through ...

We've looked at reversal patterns (head and shoulders pattern and inverse head and shoulders pattern). In this lesson, we cover continuation patterns, specifically the symmetrical triangle pattern.