Using symbols and expressions to think mathematically resources

Students solve different forms of subtraction equations.

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

Students find the unknown for a range of equations that require number property knowledge and understanding of relational thinking.

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

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

Students explore multiplicative relationships by completing multiplication equations.

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

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

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

Students use tens frames to show how to add and take away numbers to 20.

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

Students use the additive identity and the commutative property to assist them to solve simple equations without calculating.

Students complete addition and subtraction equations that explore part-whole relationships.

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

Students use number properties to solve problems without calculating.