A figure surrounded by straight lines Student activity Play

A figure surrounded by straight lines Whiteboard exercise Play

A line parallel to a given line Whiteboard exercise Play

A line parallel to a given line Student activity Play

A parallel combination Animation Play

A perpendicular through a point off the line Student activity Play

Aberration Animation Play

Adapter Animation Play

Adding bulbs to a series circuit Simulation Play

Addition and subtraction of parallel vectors Student activity Play

Addition of parallel vectors Whiteboard exercise Play

Angle sum of a triangle – observation and proof Student activity Play

Angles and parallel lines Whiteboard exercise Play

Are there any solutions? Student activity Play

Arms of the angle and parallel lines Whiteboard exercise Play

Arms of the angle and parallel lines Student activity Play

Cells combined in parallel Simulation Play

Cells combined in parallel Whiteboard exercise Play

Cells combined in parallel Student activity Play

Changing a fuse Animation Play

Characteristic rays Animation Play

Combined resistance – connection in parallel Animation Play

Combined resistance – connection in parallel Animation Play

Combined resistance – connection in parallel Whiteboard exercise Play

Completing the proportion Whiteboard exercise Play