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Students solve mathematical problems about days off school and identify another linear equation that represents the situation.

Students calculate the weight of parts of a fish from given proportions.

Students write equations for story problems describing practical situations.

Students show how they find the value of an unknown number in a range of linear equations.

Students calculate the charges for lawn mowing expressed as rate plus set-up cost.

Students write and solve equations for story problems describing practical situations.

Students use substitution to calculate the cost and length of time taken to repair washing machines, and formulate and solve a related linear equation.

Students solve linear equations based on pizza orders and cooking times.

Students identify parts of algebraic equations and use the equations to calculate temperatures in the Antarctic at different times of the day.

Students use linear equations to help them solve word problems about the cost of computer repairs.

Students complete linear equations for three practical word problems.

Students solve and write simple linear equations about the number of balls in a cylinder.

Students solve algebraic problems about the cost of oranges and lemons and how many of each fruit is purchased for a given cost.

Students write and solve linear equations to describe cooking times.

Students interpret information from a flowchart to calculate the total costs of different sized groups staying in a motel for varying lengths. They also complete a linear algebraic equation to show the costs of one group's stay.

Students use plastic money to explore and continue a number pattern about going to a disco. They then describe the pattern.

Students use a linear equation to solve a mathematical problem involving the length and width of a framed picture.

Students identify different parts of linear formulae which describe costs for buying and transporting clothing.

Students solve mathematical problems involving distance, and identify parts of an algebraic expression.

Students identify the different parts of algebraic expressions for the cost of repairing televisions.

Students complete linear equations by selecting from a range of numbers.

Students identify whether algebraic equations are always, sometimes, or never true, and explain their reasoning.

This task is about finding the solutions for linear equations.

Students explain the variables in a linear equation involving speed and distance. They then solve the equation by substitution.

Students work out the correct answers to arithmetic problems given an incorrect solution.