Using symbols and expressions to think mathematically resources

Students select the correct factorisation of algebraic expressions.

Students factorise algebraic expressions.

Students solve algebraic problems about people's ages using information given.

Students use given information to solve a story problem about paper deliveries and identify the correct algebraic equation for the answer. They also write an algebraic equation for a similar story problem.

Students select the correct algebraic expression describing practical situations.

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

Students write and solve linear equations for story problems related to a school dance.

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

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

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 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 use substitution to calculate a missing variable in algebraic expressions of practical situations.

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

Students complete 3 x 3 addition arrays by using whole numbers and algebraic expressions.

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