Sign Up
Sign In
Free Trial
Why Us
Primary
Primary 1 - Early Level (3)
Primary 2 - First Level (1)
Primary 3 - First Level (2)
Primary 4 - First Level (3)
Primary 5 - Second Level (1)
Primary 6 - Second Level (2)
Primary 7 - Second Level (3)
Secondary
Maths
History
English
Chemistry
Biology
Geography
Modern Studies
Physics
Business Management
Charity
Contact
FAQs
*Sign Up*
1 Day Free Trial - Sign Up Today!
National 5 (S3/S4)
Home
Lessons
Secondary
Maths
Surds
Simplifying Surds
Rationalising the Denominator
Simplifying expressions using the laws of Indices
Multiplying and Dividing Indices
More Rules of Indices
Calculations using Scientific Notation
Expansion of Brackets
Multiplying out Single Brackets
Multiplying out Double Brackets
Multiplying out Triple Brackets
Factorising Expressions
Common Factors
Difference of Two Squares
Trinomials
Completing the Square
Completing the Square
Algebraic Fractions
Simplifying Algebraic Fractions
Adding and Subtracting
Multiplying and Dividing
Arcs and Sectors
Calculating the Arc Length
Calculating the Sector Area
Volume of Solids
Volume of Prisms including Cylinder
Volume of Cone, Sphere and Pyramid
Equation of a Straight Line
Find the Gradient and y-intercept of a Line from its Equation
Find the Equation of a Straight Line when Given Two Points
Find the Equation of a Line of Best Fit and make Predictions
Equations and Inequations
Solving Equations
Solving Inequations
Simultaneous Equations
Solve Equations Graphically
Solving Simultaneous Equations Algebraically (Basic)
Solving Simultaneous Equations Algebraically (Harder)
Solving Equations in Context
Changing the Subject of a Formula
Changing the Subject of a Formula
Quadratic Graphs
Equation of a Quadratic from its Graph (y=kx2)
Sketching a Quadratic
Quadratic Graphs (in Completed Square Form).
Quadratic Equations
Solving Quadratic Equations using Factorising
Using the Quadratic Formula
Using Discriminant to find the Nature of Roots
Converse of Pythagoras
Properties of Shapes
Properties of Circles
Solving Circle Problems using Pythagoras Theorem
Similar Shapes
Scale Factor
Area Scale Factor
Volume Scale Factor
Trig Graphs & Equations
Graph of y = asinbx + c
Graph of y = acosbx + c
Trig Equations using CAST
Trig Identities
Trigonometry
Using Trigonometry to Calculate the Area of a Triangle
Using the Sine Rule to find the Side and Angle
Finding the Cosine Rule for Length of Side and Angle.
Vectors
Adding and Subtracting Vectors using Directed Line Segments
Using Vectors to Find Coordinates from a 3D Object
Adding and Subtracting Vectors using Components
Finding the Magnitude of a Vector
Percentages
Solving Problems using Reverse Percentages
Calculating Appreciation and Depreciation
Fractions
Adding and Subtracting Fractions
Multiplying and Dividing Fractions
Statistics
Finding the Mean, Standard Deviation and Comparing Results
Finding the Median, Interquartile Ranges and Comparing Results