The solution set of a system of inequalities Student activity Play

The solution set of a system of inequalities Whiteboard exercise Play

The solution set of the linear equations Whiteboard exercise Play

The x- and y-intercepts of a linear function Student activity Play

Thermal effects of changes in gas density Student activity Play

Thermal effects of changes in gas density Whiteboard exercise Play

The  x- and  y-intercepts of a linear function Whiteboard exercise Play

The  x-intercept of a linear function Animation Play

Three simultaneous inequalities Animation Play

Time taken to get to school Animation Play

Transformation of algebraic equations Class activity Play

Transformation of algebraic equations Whiteboard presentation Play

Transforming data Student activity Play

Trigonometric functions of the sum and difference of angles (2) Whiteboard presentation Play

Trigonometric functions of the sum and difference of angles (2) Class activity Play

Two inequalities in a coordinate system Animation Play

Using graphs (1) Whiteboard presentation Play

Using graphs (1) Class activity Play

Using graphs (2) Whiteboard presentation Play

Using graphs (2) Class activity Play

Using linear equations to solve practical problems Student activity Play

Using systems of inequalities Whiteboard exercise Play

Using systems of inequalities Whiteboard exercise Play

Using systems of inequalities to solve quadratic equations with a parameter Student activity Play

Using the formula for linear regression Whiteboard exercise Play