Properties of expected value and population variance Whiteboard exercise Play

Quartiles and interquartile range Student activity Play

Relationship between distance and time Animation Play

Relationships between quantities Animation Play

Relationships between quantities Student activity Play

Resistors with variable resistance Whiteboard exercise Play

Resistors with variable resistance Student activity Play

Sales of a computer game Animation Play

Sampling Whiteboard presentation Play

Sampling Class activity Play

Scatter diagram Student activity Play

Scatter plot Animation Play

Simple operations on algebraic expressions Class activity Play

Simple operations on algebraic expressions Whiteboard presentation Play

Simplifying algebraic fractions Whiteboard exercise Play

Simplifying algebraic fractions – more complex examples Student activity Play

Solution of a linear equation in two variables Student activity Play

Solution of a linear equation in two variables Whiteboard exercise Play

Solving an equation by introducing a new variable Animation Play

Solving an equation by introducing a new variable Whiteboard exercise Play

Solving an inequality in two variables Animation Play

Solving by substitution Student activity Play

Solving by substitution Whiteboard exercise Play

Solving linear equations in two variables Whiteboard exercise Play

Solving linear equations in two variables Student activity Play