The nervous system of different animals Slideshow Play

The sides of isosceles triangles Student activity Play

The symmetry of isosceles triangles Animation Play

The symmetry of triangles Whiteboard exercise Play

The vertex of a parabola Student activity Play

Three typical shapes of histograms Animation Play

Transformations Class activity Play

Transformations Whiteboard presentation Play

Transformations Whiteboard presentation Play

Transformations Class activity Play

Translation, rotation, reflection and symmetry Animation Play

Triangles symmetrical with respect to a line Whiteboard exercise Play

Triangles symmetrical with respect to a point Whiteboard exercise Play

Turn symmetry Animation Play

Two more quadrilaterals Student activity Play

Two parallel symmetry lines Animation Play

Two perpendicular symmetry lines Animation Play

Using symmetry of the probability Student activity Play

Using the measures of central tendency Whiteboard exercise Play

Volume of a cone Student activity Play

Voluntary and involuntary responses Animation Play

Voluntary and involuntary responses Student activity Play

Water as ligand Animation Play