Algebra Foundations
Build the meaning before the methods: variables, expressions, equations and checking answers.
Open the first route
Understand the skill, practise it and make something useful.


Build the meaning before the methods: variables, expressions, equations and checking answers.
Open the first routeUnderstand what it means, why it matters and what to do next.
See quick briefs ↓STEP 1 · USE GOOD SOURCESUse clear steps and official courses chosen for this Room.
See complete routes ↓STEP 2 · MAKE A SAMPLEPractise, notice mistakes and make something you can improve.
Keep your work →Keep what you make, improve it and use it for your next move.
Open My BOBIS →Official source links open in a new tab. Start with one route—not all of them.
Build the meaning before the methods: variables, expressions, equations and checking answers.
Understand why unknown quantities are represented with symbols.
Continue with structured explanations and practice.
Open Khan Academy ↗Write your own explanation of why the same operation must be applied to both sides.
A guided route through a complete introductory Algebra course, with small checks as you go.
4 steps · A page of solved examples that you can explain in your own words.Write what a variable and an equation represent in a real situation.
Use Khan Academy’s complete Algebra Basics route at your own pace.
Open Khan Academy ↗Use substitution or a balance diagram to see whether your answer makes sense.
Teach a short example to somebody else or write the explanation for yourself.

Make questions you can answer before looking at the notes.

Keep both sides balanced and check your answer.

See why mathematics uses letters, what x really means and how an equation stays balanced.