Expressions, formulas and substitution

In this lesson, students build on their understanding of algebraic expressions.  Explore substituting values into formulas to determine unknowns using a variety of contexts to reinforce the importance of algebra in real life. 

This is the second lesson in a series of lessons to develop understandings and proficiency in algebraic thinking. 

Additional details

Year level(s) Year 7
Audience Teacher
Purpose Teaching resource
Format Web page
Teaching strategies and pedagogical approaches Concrete Representational Abstract model, Mathematics investigation, Worked examples
Keywords Maths Hub lesson plan

Curriculum alignment

Curriculum connections Critical and creative thinking
Strand and focus Algebra
Topics Algebraic expressions
AC: Mathematics (V9.0) content descriptions
Recognise and use variables to represent everyday formulas algebraically and substitute values into formulas to determine an unknown

Formulate algebraic expressions using constants, variables, operations and brackets

Numeracy progression Number patterns and algebraic thinking (P6)

Copyright details


Commonwealth of Australia


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