# It is odd – or is it?

In this lesson, students investigate the properties of odd and even numbers. They use their discoveries to confirm calculations involving addition, subtraction and multiplication.

Year level(s) Year 4
Audience Teacher
Purpose Teaching resource
Format Web page
Teaching strategies and pedagogical approaches Questioning, Differentiated teaching, Collaborative learning
Keywords odd and even, efficient strategies, conjecture, reasoning, Maths Hub lesson plan

## Curriculum alignment

Curriculum connections Critical and creative thinking
Strand and focus Number
Topics Addition and subtraction, Multiplication and division
AC: Mathematics (V9.0) content descriptions
AC9M4N02
Explain and use the properties of odd and even numbers

AC9M4N06
Develop efficient strategies and use appropriate digital tools for solving problems involving addition and subtraction, and multiplication and division where there is no remainder

AC9M4A02
Recall and demonstrate proficiency with multiplication facts up to 10 x 10 and related division facts; extend and apply facts to develop efficient mental strategies for computation with larger numbers without a calculator

Numeracy progression Number and place value (P7)