Library

Reference frame, velocity, forces and the principle of inertia. The fundamental laws of mechanics. The module on units is a good prerequisite.

A step-by-step guide to mastering whole numbers: reading, writing, comparing and rounding them without making mistakes.

Learn how to write out addition, subtraction, multiplication and division problems correctly, with step-by-step methods, practical examples and the most common pitfalls.

Learn to read, write, compare and calculate with decimal numbers using practical examples taken from everyday life (prices, measurements, marks).

Learn how to add, subtract, multiply and divide fractions using simple methods, practical examples and tips on what to watch out for.

Discover relative numbers to understand negative temperatures, altitudes below sea level and debts, then learn how to compare, add and subtract them without making mistakes.

Learn how to work out the greatest common divisor of two numbers and use it to simplify any fraction to its simplest form.

Operational priorities, fractions, powers and percentages. Everything you need to calculate correctly, without a calculator. No prior knowledge required.