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Inequalities and substitution
The lesson aims to challenge students through exploring their understanding of inequalities and substitution. Students work collaboratively, following guided questions to explore the relationships between a set of inequalities. The lesson is aimed to challenge students' thinking, encouraging them to explore and deepen their conceptual understanding. The resource includes classroom examples, teacher notes and guided questions.
|Year level(s)||Year 8, Year 9, Year 10|
|Purpose||Assessment task, Extension, Student task, Teaching resource|
|Teaching strategies and pedagogical approaches||Collaborative learning, Feedback, Mathematics investigation|
|Keywords||inequality, substitution, algebra, squares, operations|
|Curriculum connections||Critical and creative thinking, Numeracy|
|Strand and focus||Algebra, Number, Apply understanding|
|Topics||Algebraic expressions, Indices, Operating with number|
|AC: Mathematics content descriptions||
ACMNA194 Solve linear equations using algebraic and graphical techniques. Verify solutions by substitution
ACMNA192 Simplify algebraic expressions involving the four operations
ACMNA234 Substitute values into formulas to determine an unknown
ACMNA236 Solve linear inequalities and graph their solutions on a number line
|National numeracy learning progression||
Number patterns and algebraic thinking
© Andrew Blair 2012-21. Creative Commons BY-NC-SA 4.0.