Free learning resources

Math & Science, explained properly

Step-by-step tutorials written the way a good teacher explains — with diagrams, worked examples, and practice problems. Grades 6 through 11.

∑

Articles

Mathematics

Pre-algebra through advanced algebra and geometry — clear methods, not memorisation.

∑Grade 7–8

Pre-algebra

Math

What Does x Really Mean? Understanding Variables

Variables sound mysterious — but once you see them as labelled boxes, everything clicks. Here is how to think about x the right way from the start.

Solving Quadratic Equations: Three Methods That Always Work

Every quadratic equation can be solved in at least three ways. Knowing which method to reach for first saves time and avoids mistakes.

Why the Pythagorean Theorem Always Works — A Visual Proof

Most students memorise a² + b² = c² without ever seeing why it's true. The visual proof makes it unforgettable — and the reasoning transfers to dozens of other geometry facts.

How to Add and Subtract Fractions (Step by Step)

Adding 1/2 + 1/3 isn't as simple as adding tops and bottoms. Once you see why fractions need a common denominator, the whole topic clicks into place.

AP Calculus AB vs BC: What's on the Exam & How to Prepare

AB or BC? Both exams rest on the same few big ideas. Here's what's on each, the concepts that actually matter, and a week-by-week plan to walk in ready.

11 min read

Read article

⚛

Articles

Science

Physics and chemistry for middle and high school — intuition first, formulas second.

⚛Grade 9–11

Physics

Science

Newton's Three Laws of Motion Explained Simply

Newton described three rules that govern everything moving around you — from a sliding hockey puck to a rocket launch. Once you understand each one clearly, mechanics becomes logical.

Atoms and Elements: The Building Blocks of Everything

Everything around you — your desk, the air, even you — is made of atoms. Once you understand what atoms are, chemistry suddenly has a logic to it.

Photosynthesis: How Plants Make Their Own Food

Plants do something animals can't: make food from air, water, and sunlight. Understand photosynthesis and you understand where the whole food chain begins.

How to Balance Chemical Equations: A Step-by-Step Method

Atoms are never created or destroyed — that's why equations must balance. Follow one repeatable method and balancing stops being guesswork.

9 min read

Read article

Prefer working through problems with a mentor?

These articles give you the concepts. A one-on-one session gives you targeted feedback on exactly where your thinking goes wrong — and how to fix it.

View fees and get started