Using symbols and expressions to think mathematically resources

Students explore the additive identity by completing open number sentences.

Students explore the additive identity by deciding whether addition and subtraction number sentences are true or false.

Students complete number relationships using 'is greater than' and 'is less than'.

Students select the equations that show the commutative law.

Students interpret a relationship diagram about the relative heights of four children.

Students select the correct operation to make equations true.

Students solve different forms of addition equations.

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

Students solve different forms of subtraction equations.

Students find and write the numbers to complete equations that add to 10.

Students use number properties to solve problems without calculating.

Students use addition and subtraction to solve story problems and show their equations.

Students interpret and answer questions about a relationship diagram that shows which of four children are older than each other.

Students show their understanding of the properties of zero and one, by filling in the missing numbers or signs (+ or ×) in a range of equations.

Students create and solve number sentences that represent story problems.

Students explore the additive identity by deciding whether addition and subtraction number sentences are true or false.

Students select the correct symbol (greater then, equal to, less than) to complete statements about the ages of some children.

Students decide whether pairs of number expressions are equal to, less than, or greater than each other.

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

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

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

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