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Teacher resource

Primary mathematics: open-ended tasks

These seven learning activities, which focus on 'open-ended tasks' using a variety of tools (software) and devices (hardware), illustrate the ways in which content, pedagogy and technology can be successfully and effectively integrated in order to promote learning. In the activities, teachers use investigations in order ...

Teacher resource

Number talks

Use these tasks and resources to provide opportunities for students to explain mental strategies for performing calculations. Present a number of mathematical statements for students to investigate whether they are true or false. As a further challenge include statements about percentages and improper fractions.

Teacher resource

Using 'Counting on, counting back' - Teacher idea

This Teacher idea uses a combination of games (both digital and non-digital) and hands-on tasks to explore sequencing whole numbers to 20, and solve addition and subtraction problems using 'counting on' and 'counting back' strategies. It includes reflections following the teaching of R11450 'Counting on, counting back - ...

Teacher resource

TIMES Module 2: Number and Algebra: addition and subtraction - teacher guide

This is a 29-page guide for teachers. The module introduces addition and subtraction of whole numbers.

Teacher resource

TIMES Module 8: Number and Algebra: subtraction of whole numbers - teacher guide

This is a 16-page guide for teachers. This module continues the consideration of whole numbers.

Teacher resource

Starting Smart: how are problems solved? - year 2

This curriculum resource package is a ten-week teaching plan and set of resources developed to extend year 2 students' knowledge and understanding of numbers and operations. The package includes seven detailed lesson plans to establish students' current knowledge about counting-on and number bonds to 20. Throughout, students ...

Teacher resource

Starting Smart: how are problems solved? - years 4-6

This curriculum resource package is a ten-week teaching plan and set of supporting resources for the middle to upper primary years, focusing on developing students' problem-solving skills. Beginning with students' understanding and knowledge of number, students learn strategies to use number sentences to solve problems ...

Teacher resource

Subtracting negative numbers

This teaching resource provides teachers of year 7 with precise descriptions of the learning objectives they should be seeking as students learn to subtract negative numbers. Classroom activities and teaching strategies include a range of models to develop meaning and understanding of subtraction of negative numbers. This ...

Teacher resource


This is a website designed for teachers and students in year 5, and addresses components of the working with decimals topic. It is particularly relevant for comparison, addition, subtraction, multiplication and division with decimals. There are pages for both teachers and students. The student pages contain interactive ...

Teacher resource

Whole numbers with all four operations

This is a website designed for both teachers and students that addresses whole numbers with the four operations from the Australian Curriculum for year 6 students. It contains material on the strategies and algorithms used when adding, subtracting, multiplying and dividing whole numbers. There are pages for both teachers ...

Teacher resource

Let us count how many

This is a web resource that includes four student activities focusing on numbers to 20, accompanied by a teacher guide for each activity. It covers counting, including counting in Asia; number representation; number names; one-to-one correspondence of collections; and simple addition and subtraction using concrete materials. ...

Teacher resource

Counting and representing numbers 1–20

Explore counting familiar objects and representing numbers up to 20. Name, match, subitise, compare and order numbers to 20, then use these numbers in addition and subtraction. Relate number sentences to these operations in meaningful ways.