Graphs of trigonometric functions Class activity Play

Grouping expressions that give the same value Whiteboard exercise Play

Horizontal and vertical lines in the Cartesian coordinate system Whiteboard exercise Play

Horizontal and vertical lines in the Cartesian coordinate system Student activity Play

Horizontal lines Student activity Play

Horizontal lines Whiteboard exercise Play

How do equal angles imply parallel lines? Animation Play

How do you find an angle? Student activity Play

How do you find the ratio? Student activity Play

How much does it cost? Student activity Play

How to construct a line parallel to a given line Student activity Play

How to construct a line perpendicular to a given line Animation Play

How to construct a line perpendicular to a given line Student activity Play

How to construct an isosceles triangle Student activity Play

How to estimate the gradient of a curve Animation Play

How to find the equation of a tangent from a point to a circle? Animation Play

How to find the system of equations Whiteboard exercise Play

How to find the system of equations Student activity Play

Huygens' Principle Student activity Play

Huygens' principle Whiteboard exercise Play

Identities for trigonometric functions Class activity Play

Identities for trigonometric functions Whiteboard presentation Play

Imperial units of length Animation Play

Imperial units of length Student activity Play

Inequalities Class activity Play