Describing class intervals – speed of light Whiteboard exercise Play

Describing regions on the plane using inequalities Whiteboard exercise Play

Discs in the coordinate system Student activity Play

Distance to the horizon Animation Play

Example of solving a system of linear equations by elimination Animation Play

Example of solving linear inequality with the parameter Animation Play

Examples of simplifying rational expressions Animation Play

Exponential inequality Animation Play

Expressions and their simplifications Whiteboard exercise Play

Factorisation and roots of polynomials Whiteboard presentation Play

Factorisation and roots of polynomials Class activity Play

Facts and assumptions Student activity Play

Facts and assumptions – algebraic inequalities Whiteboard exercise Play

Find the right region Student activity Play

Finding a half-plane Student activity Play

Finding a half-plane Whiteboard exercise Play

Finding a simpler way to write the expression Whiteboard exercise Play

Finding a simpler way to write the expression Student activity Play

Finding graphical solutions of inequalities Whiteboard exercise Play

Finding graphical solutions of inequalities Student activity Play

Finding points of intersection algebraically Animation Play

Finding solutions of inequalities Whiteboard exercise Play

Finding solutions of inequalities Student activity Play

Finding the graphical solution of inequalities Whiteboard exercise Play

Finding the graphical solution of inequalities Student activity Play