A5
Formulae
Substitute values into rules and rearrange them to isolate a specific variable.
Builds on: A4
Define key algebraic terms (expression, equation, formula) and evaluate expressions by substituting positive integers using concrete visual models.
Substitute positive integers into expressions requiring strict order of operations, including multi-variable terms and brackets.
Substitute positive integers into expressions requiring strict order of operations (BIDMAS).
Evaluate algebraic expressions containing powers (e.g., a² vs (3a)²) and substitute fractional values accurately.
Translate worded real-life rules into symbolic formulae and evaluate them.
Translate worded real-life rules into symbolic formulae and evaluate them.
Write simplified formulae for the perimeter of regular and irregular polygons, and evaluate them.
Use formulae as "function machines" to generate tables of values and identify the common difference.
Create algebraic formulae for complex real-world scenarios involving multiple variables and averages.
Turn a geometric formula into an equation by substituting a known total value, then solve for the unknown variable.
Substitute a known total into a real-life formula to set up an equation, then use inverse operations to solve for the unknown variable.
Rearrange simple linear formulae using inverse operations to make a new variable the subject.
Change the subject of linear formulae involving large fractions and brackets by peeling away the outer operations first.
Change the subject of a formula when the variable is squared or under a square root.
Substitute into and rearrange physics kinematics formulae, comparing two methods of solving for an unknown variable.
Apply unit skills to multi-step problems, including complex geometric perimeters, data-fitting, and analyzing common algebraic misconceptions.
Unit code A5
A5
Substitute values into rules and rearrange them to isolate a specific variable.