Formulae

Substituting Numbers in Formulae notes
Substituting numbers in Formulae video 1
Substituting numbers in Formulae video 2



Substituting numbers in formulae worksheet 1
Substituting numbers in formulae worksheet 2
Substituting numbers in formulae worksheet 3

Subject of the Formula notes 1

Subject of the Formula notes 2

Subject of the Formula Video (ignore example 3: squared not in syllabus)

Subject of the formula worksheet 1

Subject of the formula worksheet 2 (do not work out the section of powers and roots)