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Number Sense: The Foundation of Everyday Mathematics
Number sense is the habit of estimating, comparing and sanity-checking numbers. Learn the core skills and simple exercises that support every later math topic.
Study and Digital Skills
Math Foundations
Core arithmetic, algebra and statistics ideas explained simply.
Algebra Basics: What Variables Are For
Variables are letters that stand in for numbers. See how expressions, substitution and like terms work, with small worked examples and common beginner mistakes.
Converting Between Fractions and Decimals
Learn step by step how to turn fractions into decimals and back, including terminating and repeating decimals, with worked examples you can check yourself.
Mean, Median and Mode Compared
Learn how to find the mean, median and mode, what each one tells you, and when an outlier makes one average more useful than another, with worked examples.
Order of Operations Explained
Why 2 + 3 × 4 equals 14, not 20: a clear guide to brackets, powers, multiplication, division, addition and subtraction, with worked examples and common errors.
Probability Basics
Probability measures chance on a scale from 0 to 1. Learn how coin and dice examples work, how to add and multiply probabilities, and common misunderstandings.
Ratios and Proportions Made Simple
Understand ratios and proportions through recipes and sharing problems. Learn to simplify, scale up and down and solve for a missing value, with checked examples.
Reading Graphs and Coordinates
A plain guide to axes, plotting points, reading slope and understanding what a straight line on a graph tells you, with worked examples and common pitfalls.
Solving Linear Equations Step by Step
Learn the balance method for solving linear equations: undo operations on both sides, handle brackets and variables on both sides, and check every answer.
Understanding and Calculating Percentages
How to find a percentage of a number, work out percentage change, and reverse a percentage to find the original value, with checked worked examples.
Units and Conversions Without Confusion
A consistent method for converting lengths, mass and volume between metric and everyday units, using conversion factors, with worked and checked examples.
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