IGCSE Maths Edexcel A 4MA1

understand that a vector has both magnitude and direction

understand and use vector notation including column vectors

The notations $\overrightarrow{OA}$ and $\bold{a}$ will be used

multiply vectors by scalar quantities

add and subtract vectors

calculate the modulus (magnitude) of a vector

Find the magnitude of $\begin{pmatrix} 5 \\ -3 \end{pmatrix}$

find the resultant of two or more vectors

$\overrightarrow{OA} = 3\bold{a}, \overrightarrow{AB} = 2\bold{b}, \overrightarrow{BC} = \bold{c}$

so:

$\overrightarrow{OC} = 3\bold{a} + 2\bold{b} + \bold{c}$

$\overrightarrow{CA} = - \bold{c} - 2\bold{b}$

apply vector methods for simple geometrical proofs