# National 4

Your first port of call for resources and support should be the Microsoft Team that has been set up by your class teacher.

The BBC Bitesize website is a good resource for this course.  Below are links to each of the topics.  Each link has a variety of notes, videos and quizzes to help you master the content.

### Numeracy

Order of Operations

Multiplication (revision)

Division (revision)

Negative numbers

Rounding

Estimation and Rounding

Distance, Speed and Time

Percentages

Fractions

Ratio

Probability

### Expressions and Formulae

This unit has three main sections:

Algebra:  Expanding brackets, factorising, collecting like terms, evaluating expressions, creating a formula, and finding gradient.

Geometry:  The circle, area of quadrilaterals, volume, surface area, and rotational symmetry.

Statistics:  Frequency tables, averages, measuring spread, comparing data, pie charts, and probability.

### Relationships

Pythagoras’ Theorem

Angles

Scale factor

Algebra:  graphing straight lines, solving equations, solving inequalities, and changing the subject.

Scatter graphs

Trigonometry