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

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

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

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

Students write and solve linear equations to describe cooking times.

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

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

This task is about finding the solutions for linear equations.

Students calculate the number of different coins in a given amount of money.

Students solve a number of mathematical problems for practical situations involving total amounts, age and time.

Students demonstrate their understanding of a linear algebraic equation to calculate the amount of money in a savings account.

Students complete a table and a graph of an equation about the costs of bike repairs, then interpret the graph to respond to questions.

Students select from a range of given numbers to complete a 4 x 4 'number square' with given row and column totals.

Students describe a variable in a linear equation, solve the equation, and complete a second equation relating to weights.

Students select from a range of given numbers to complete a 4 x 4 'addition number square' with given row and column totals.

Students use linear equations to solve mathematical problems for money deposited and withdrawn from a bank account. They also identify parts of the related linear equation.

Students interpret a graph of taxi company charges to show which company is cheaper and complete a rule for each company's charges. They also identify the distance at which each company charges the same amount.

Students complete a table to show the amount of money paid for work, and finish a rule to describe the relationship.

Students compare the costs of printing a school magazine at two different companies.

Students solve a number of mathematical problems involving money and distance, and compare the results to identify the cheapest taxi company.

Students calculate the cost of hiring a search and rescue helicopter and compare this cost with another helicopter company's charges.

Students calculate the repair charges for two different washing machine repair companies, and compare and explain their results.

Students calculate the repair charges of two different garages, graph them, and explain the results.

Students use tables, graphs, and equations to find the break-even point for two companies who charge for postage according to different rules.

Students complete addition arrays by selecting from given numbers.