A boat on the coordinate system Animation Play

A circle and a point Student activity Play

A circle and a straight line Whiteboard exercise Play

A circle and a straight line Student activity Play

A circle and quadrants of the coordinate system Whiteboard exercise Play

A circle in the coordinate system Whiteboard exercise Play

A disc in the coordinate system Animation Play

A figure under reflection in the coordinate system Animation Play

A game in the coordinate system Student activity Play

A linear function  y = ax + b Student activity Play

A linear function  y = ax + b Whiteboard exercise Play

A simple identity Student activity Play

A square in a coordinate system Whiteboard exercise Play

A triangle in a coordinate system Whiteboard exercise Play

Acidic oxides Animation Play

Algebraic solutions Student activity Play

Algebraic solutions Whiteboard exercise Play

An angle and points on the circle Student activity Play

An angle and points on the circle Whiteboard exercise Play

An angle as a rotation Student activity Play

An angle as a rotation Whiteboard exercise Play

An inequality in a coordinate system Animation Play

Analysis of the energy profile for chemical reactions Whiteboard exercise Play

Approximating the area under a line in the coordinate system Student activity Play

Bonds of oxygen Whiteboard exercise Play