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reSolve: Algebra: Think of a Number
This lesson explores algebra by generalising results from arithmetic used in 'think of a number' games. Students connect arithmetic operations with algebraic notation and visualisations. The lesson begins with an observation made using arithmetic that students then justify and extend using algebra. The lesson is outlined in detail including curriculum links, vocabulary, materials needed, sample answers, discussion points and student resources such as links to algebra tree web sites. This sequence is part of the reSolve: Mathematics by Inquiry program.
|Year level(s)||Year 8|
|Teaching strategies and pedagogical approaches||Mathematics investigation|
|Keywords||factors, distributivity, simplification, maths investigations, think of a number, THOAN, explicit teaching|
|Strand and focus||Algebra, Apply understanding, Build understanding|
|Topics||Patterns and algebra|
|AC: Mathematics content descriptions||
ACMNA190 Extend and apply the distributive law to the expansion of algebraic expressions
ACMNA191 Factorise algebraic expressions by identifying numerical factors
ACMNA192 Simplify algebraic expressions involving the four operations
|National numeracy learning progression||
Number patterns and algebraic thinking
reSolve Maths by Inquiry
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