The ratio of squares to triangles Whiteboard exercise Play

The relationship between genotype and phenotype Slideshow Play

The sides of isosceles triangles Student activity Play

The sides of the triangles – trigonometric ratios for selected angles Whiteboard exercise Play

The similar terms Whiteboard exercise Play

The similar terms marked wrong Whiteboard exercise Play

The sum of a convergent geometric series – triangles Whiteboard exercise Play

The symmetry of isosceles triangles Animation Play

The symmetry of triangles Whiteboard exercise Play

The triangles under enlargement Whiteboard exercise Play

The volumes of similar figures Animation Play

The volumes of similar figures – property of similarity Whiteboard exercise Play

Trapezium Whiteboard exercise Play

Trapezium Student activity Play

Triangle Student activity Play

Triangles Whiteboard exercise Play

Triangles Student activity Play

Triangles Whiteboard exercise Play

Triangles Whiteboard presentation Play

Triangles Class activity Play

Triangles Whiteboard exercise Play

Triangles Student activity Play

Triangles and squares in coordinates Whiteboard exercise Play

Triangles in LOGO Student activity Play

Triangles symmetrical with respect to a line Whiteboard exercise Play