Using symbols and expressions to think mathematically resources

Students explore the concept of equality by deciding whether addition sentences are true, false or not proper number sentences.

Students use number lines to show their understanding of commutativity.

Students complete open number sentences to show their understanding of equality.

Students use number lines to show their understanding of commutativity.

Students use Cuisenaire rods or Animal strips to make up addition number sentences and record them.

Students draw in the correct number of blocks needed to balance some scales and write equations for scales that show balance.

Students select the correct symbol or the correct number to make number sentences true.

Students select the correct expression to describe word problems.

Students use the commutative property to find missing numbers in equations and explain the property.

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

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

Students select from 'less than', 'equal to', and 'greater than' to complete word equations about food amounts.

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 solve mathematical problems and identify the linear equation that represents the situation.

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

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

Students write and solve linear equations to describe cooking times.

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

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

Students select the correct symbol (greater than, equal to, less than) to complete statements about the number of lollies in a bag.

Students use linear equations to solve mathematical problems for money deposited and withdrawn from a bank account.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 solve a number of mathematical problems about the cost of a visit to the fair using algebraic expressions provided.

Students solve problems comparing and balancing amounts of money.