# Substitution, Formulae and Proof

2.11.01 – I can substitute positive values into an expression

2.11.02 – I can substitute integers into an expression

2.11.03 – I can substitute positive values into a formula

2.11.04 – I can substitute integers into a formula

2.11.05 – I can state the difference between an equation and an identity

2.11.06 – I can state if statements are true or state counter examples

2.11.07 – I can interpret simple expressions as functions with inputs and outputs

2.11.08 – I can construct a formula and apply it

2.11.09 – I can change the subject in a formula when the term appears once