Maths

Dive deeper into Maths: from foundational arithmetic to complex algebra concepts. Unlock the magic of numbers!

Illustration explaining how to find the modal class interval in a grouped frequency table by identifying the interval with the highest frequency.

9 min read

Work out the Modal Class Interval - GCSE Maths

The modal class interval is the class interval with the highest frequency in grouped data. This guide explains how to find it in grouped frequency tables with step-by-step examples. Quiz questions are included to test your understanding. You will also learn the difference between a mode and a modal class interval. Suitable for GCSE Maths revision.

06 Mar, 2026

Illustration showing the sine and cosine rules with a labelled triangle and calculator, designed as a GCSE maths guide

8 min read

Use the Sine and cosine rules - GCSE Maths, Higher

The sine and cosine rules solve the angles or sides of a triangle that isn't right-angled. This guide explains when to use each rule, how the formulas work, and how to apply them step by step. Includes diagrams and worked examples, with quiz questions to test your understanding. Suitable for GCSE Maths revision.

26 Jan, 2026

3D models of different prisms on a grid background, illustrating the volume of a prism for GCSE Maths.

5 min read

Volume of a Prism - GCSE Maths

Learn how to calculate the volume of a prism with clear explanations, diagrams, and worked examples. This guide covers different types of prisms, shows how the formula works, and helps build confidence with volume questions and quiz questions. Suitable for GCSE Maths revision.

19 Dec, 2025

Percentage Change GCSE cover: flat illustration of a student with notebook beside percent sign, up/down arrows, calculator, and bar chart; headline reads “Percentage Change (GCSE) – Simple Steps & Examples.”

6 min read

Calculate percentage change - GCSE Maths Exam Revision

Percentage change means increasing or decreasing a value from its original amount. This guide explains the core formula, with worked examples for calculator and non-calculator papers. We also explore successive and reverse percentage questions. Quiz questions are included.

04 Nov, 2025

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Whiteboard in a classroom showing “f(x) = 2x + 1”, with desks blurred in the background

11 min read

Functions - Higher GCSE Maths

Learn what a function is - an input leading to a single output. We explain how to read f(x) and substitute values accurately, and the importance of domain and range. Learn the difference between fg(x) and gf(x) for composite functions. Quiz questions are included to test your understanding for GCSE Maths preparation.

28 Sep, 2025

Geometric pyramids in increasing sizes arranged in a row, symbolising mathematical sequences and progression.

8 min read

Sequences - GCSE Maths Revision

This article explores sequences in GCSE Maths, including arithmetic, geometric and quadratic patterns. It explains how to use term-to-term and nth term rules with worked examples and quizzes to test your understanding. Suitable for students preparing for GCSE Maths, with quiz questions included to test your understanding.

23 Aug, 2025

GCSE students in a classroom learning factorising expressions, with a teacher pointing to a quadratic equation on the whiteboard.

5 min read

Factorising expressions - GCSE Maths

Learn how to factorise algebraic expressions with this GCSE Maths guide. Covering single brackets, quadratics, and the difference of two squares. Step-by-step examples and quiz questions are provided to test your understanding.

04 Aug, 2025

$Abstract artwork featuring minimalist geometric shapes and the fraction 1/2, using bold cream and orange forms on a teal background to symbolise fractional concepts.$

10 min read

Fractions | GCSE Maths Revision

Fractions are used to represent a part of the whole. They appear throughout GCSE Maths as a foundation topic. This guide covers key fraction skills, including simplifying, comparing, converting and calculating. Step-by-step examples and practice questions are included.

12 Jul, 2025

Cover illustration showing 3D shapes including a cube, sphere, cylinder, and pyramids, with the title

5 min read

3d shapes - GCSE Maths

Explore the essential 3D shapes for GCSE Maths, including cubes, cylinders and pyramids. This guide explains key terms like faces, edges and vertices. It shows you how to calculate surface area and volume with easy formulas, visual aids and quiz questions.

22 Jun, 2025

Illustration showing two inequalities on a graph. A dashed line labelled y < x and a solid line labelled y ≥ −x form a shaded region between them, clearly indicating the solution area.

4 min read

Graphs of inequalities - GCSE Maths Higher

Learn how to plot inequalities on graphs, interpret shaded regions and understand intersections of inequalities. This article includes step-by-step methods, practical examples and visual illustrations to reinforce learning. Quiz questions are included to test your understanding of graphing inequalities and applying them to real-life scenarios.

01 Jun, 2025