The atomic spectrum of an element Animation Play

The atomic spectrum of hydrogen Animation Play

The converse of the Pythagorean theorem Student activity Play

The distance formula – applications Student activity Play

The first tangent theorem – perpendicularity Student activity Play

The first tangent theorem – perpendicularity Whiteboard exercise Play

The formula for the volume of a prism Whiteboard exercise Play

The formula for the volume of a prism Student activity Play

The least possible volume of the rectangular right prism Whiteboard exercise Play

The LOGO commands to obtain the given triangle Whiteboard exercise Play

The magnetic field around a conductor Whiteboard exercise Play

The magnetic field around a conductor Student activity Play

The museum Whiteboard exercise Play

The names of prisms Animation Play

The perpendicular bisector of a line segment Animation Play

The perpendicular bisector of a line segment – a reminder Student activity Play

The prism Whiteboard exercise Play

The prism Student activity Play

The radius of the circle inscribed into the right triangle Whiteboard exercise Play

The result of colour addition Whiteboard exercise Play

The right prism based on a right-angled triangle Whiteboard exercise Play

The right triangle Animation Play

The set of commands Whiteboard exercise Play

The shapes that are prisms Whiteboard exercise Play

The surface area of a prism Animation Play