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National 5 Mathematics
Working with Numbers
Decimal Places (3:38)
Significant Figures (5:52)
Scientific Notation (6:19)
Rational & Irrational Numbers (5:43)
Adding and Subtracting Surds (7:59)
Multiplying and Dividing Surds (9:45)
Rationalising Fractions (8:23)
Rules of Indices (7:56)
How Surds and Indices Relate (11:00)
Quick Practice Questions
Full Practice Questions
Reference Notes
Algebraic Operations
Simplifying Algebraic Expressions (5:50)
Expanding Brackets (8:58)
Factorising Using a Common Factor (7:53)
Factorising as a Difference of Two Squares (8:53)
Factorising a Trinomial (11:30)
Completing the Square (7:27)
Simplifying Algebraic Fractions (10:52)
Multiplying and Dividing Algebraic Fractions (8:59)
Adding and Subtracting Algebraic Fractions (11:29)
Quick Practice Questions
Full Practice Questions
Reference Notes
Geometry & The Properties of Shapes
The Properties of Shapes (7:52)
Similar Figures (11:35)
Using Similar Figures to find Area and Volume (10:32)
Arc Length (11:30)
Sector Area (11:54)
Volume of Cuboids & Prisms (8:35)
Volume of Cones, Pyramids and Spheres (7:15)
Quick Practice Questions - Properties of Shapes
Quick Practice Questions - Arcs & Sectors
Quick Practice Questions - Volume
Quick Practice Questions - Similar Figures
Full Practice Questions
Reference Notes
Straight Line Graphs
Introduction to Straight-Line Graphs (5:14)
The Gradient of a Straight-Line Graph (14:55)
The Equation of a Straight Line (15:28)
Straight Lines not in Standard Form (9:45)
Horizontal and Vertical Lines (8:16)
X and Y Intercept of Straight Line Graphs (14:05)
Quick Practice Questions
Full Practice Questions
Reference Notes
Equations
Solving Linear Equations (13:29)
Solving Linear Equations with Brackets (10:09)
Solving Linear Equations with Fractions (11:44)
Solving Inequations (10:35)
Inequations – Multiplying or Dividing by a Negative (11:35)
Solving Simultaneous Equations by Eliminating a Variable (10:32)
Solving Simultaneous Equations by Eliminating a Variable – More Difficult (12:48)
Rearranging Formulas (13:35)
Quick Practice Questions - Equations & Inequations
Quick Practice Questions - Simultaneous Equations
Quick Practice Questions - Rearranging Formulas
Full Practice Questions
Reference Notes
Quadratic Functions & Quadratic Equations
Quadratic Expressions & Functions (6:10)
Quadratic Equations – Solving by Factorising (13:27)
Quadratic Equations – Solving by the Quadratic Formula (12:04)
Using the Discriminant to Determine the Number of Roots (10:28)
Graphs of Quadratic Functions (9:25)
The Roots of Quadratic Functions (11:22)
The Turning Point of the Graph of a Quadratic Function (11:34)
Finding the Y-Intercept of the Graph of a Quadratic Function (11:11)
The Axis of Symmetry of the Graph of a Quadratic Function (10:12)
Transforming the Graph of a Quadratic Function (15:08)
Quick Practice Questions - Quadratic Equations
Quick Practice Questions - Quadratics Graphs
Full Practice Questions
Reference Notes
Pythagoras' Theorem & Trigonometry
Pythagoras’ Theorem (9:32)
The Converse of Pythagoras’ Theorem (7:30)
Pythagoras’ Theorem in Circles (9:06)
Trigonometric Functions (10:30)
The Graph of the Sine Function (9:52)
The Graph of the Cosine Function (9:30)
The Graph of the Tangent Function (8:21)
Transforming Graphs of Trigonometric Functions (13:45)
The CAST Method (10:07)
Introduction to Trigonometric Equations (10:13)
Solving Trigonometric Equations Using a Calculator in Degrees (15:56)
Quick Practice Questions - Pythagoras Theorem
Quick Practice Questions - Trigonometry
Full Practice Questions
Reference Notes
Using Trigonometry
Introduction to The Sine and Cosine Rules (7:15)
Using the Sine Rule to Find Missing Angles (11:20)
Using the Sine Rule to Find Missing Sides (8:13)
Using the Cosine Rule for Missing Angles (9:41)
Using the Cosine Rule for Missing Sides (8:04)
Problems Involving Bearings (8:45)
Area of a Non-Right Triangle (6:59)
Quick Practice Questions
Full Practice Questions
Reference Notes
Vectors
Vector Introduction and Notation (6:28)
Component Form of a Vector (7:49)
Vectors in 3-Dimensions (4:43)
Magnitude of a Vector (7:23)
Resultant Vectors (8:11)
Quick Practice Questions
Full Practice Questions
Reference Notes
Comparing Distributions
Comparing Distributions (6:24)
Mean and Median (6:17)
Quartiles (7:09)
Interquartile and Semi-Interquartile Range (9:31)
Box Plots (8:45)
Standard Deviation (12:05)
Scatter Graphs and Lines of Best Fit (9:28)
Quick Practice Questions
Full Practice Questions
Reference Notes
Fractions & Percentages
Simple and Compound Measures (6:40)
Appreciation and Depreciation (9:26)
Multiplying and Dividing Fractions (8:36)
Adding and Subtracting Fractions (7:43)
Fractions of a Number (5:59)
Quick Practice Questions
Full Practice Questions
Reference Notes
Exam Video Solutions
2023 Paper 1 Video Solutions (37:55)
2023 Paper 2 Video Solutions (35:17)
2022 Paper 1 Video Solutions (58:42)
2019 Paper 1 Video Solutions (65:41)
2019 Paper 2 Video Solutions (80:29)
2018 Paper 1 Video Solutions (69:32)
2018 Paper 2 Video Solutions (83:47)
Exam Written Solutions (download link at the end of each document)
2023 National 5 Maths Solutions
2022 National 5 Maths Solutions
2019 National 5 Maths Solutions
2018 National 5 Maths Solutions
2017 National 5 Maths Solutions
2016 National 5 Maths Solutions
2015 National 5 Maths Solutions
2014 National 5 Maths Solutions
Past Exam Papers (download link at the end of each paper)
2022 National 5 Maths Papers
2019 National 5 Maths Papers
2018 National 5 Maths Papers
2017 National 5 Maths Papers
2016 National 5 Maths Papers
2015 National 5 Maths Papers
2014 National 5 Maths Papers
Past Exam Questions by Topic (download link at the end of each document)
Algebraic Fractions
Algebraic Operations
Arcs & Sectors
Equations & Inequations
Fractions
Functions
Graphs of Quadratic Functions
Indices
Percentages
Properties of Shapes
Pythagoras Theorem
Quadratic Equations
Quartiles
Rearranging Formulas
Similar Figures
Simultaneous Equations
Standard Deviation
Straight Lines
Surds
Trigonometry
Using Trigonometry
Vectors
Volume
Additional Resources
Extended Formula List
Trigonometric Function Graphs
Practice Paper A - Non-Calculator
Practice Paper B - Calculator
Key Skills Practice
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Solving Simultaneous Equations by Eliminating a Variable
After this class students will be able to solve simultaneous equations by eliminating a variable.
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