Formulas

Vectors Formulas – IGCSE Maths

Every vectors formula you need for Cambridge IGCSE Mathematics 0580, with clear explanations of when and how to use each one.

Magnitude

Extended

|\mathbf{v}| = \sqrt{x^2 + y^2}

Key formula for vectors in IGCSE Maths.

Use when working with vectors problems.

Show your substitution clearly for method marks.

Core

(a_1, a_2) + (b_1, b_2) = (a_1+b_1,\; a_2+b_2)

Key formula for vectors in IGCSE Maths.

Use when working with vectors problems.

Show your substitution clearly for method marks.

Core

k(a, b) = (ka,\; kb)

Key formula for vectors in IGCSE Maths.

Use when working with vectors problems.

Show your substitution clearly for method marks.

Extended

\mathbf{a} = k\mathbf{b} \text{ for some scalar } k

Key formula for vectors in IGCSE Maths.

Use when working with vectors problems.

Show your substitution clearly for method marks.

Extended

\overrightarrow{OA} \text{ represents point } A \text{ from origin}

Key formula for vectors in IGCSE Maths.

Use when working with vectors problems.

Show your substitution clearly for method marks.

Struggling to remember these formulas?

Teacher Rig helps students master them through practice, not memorisation.

Which vectors formulas are given in the exam?

Check the IGCSE formula sheet provided in your exam. Some vectors formulas must be memorised.

How do I remember vectors formulas?

Practice using them in past paper questions. Repeated application is more effective than rote memorisation.

Book a free trial class with Teacher Rig for personalised formula practice.