Interactive lessons · free · no sign-up
Learn by doing, not just reading.
Teaching pages for live classes and self-study: short missions, hands-on widgets, a live code editor, hints and a quiz at the end.
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JavaScript · Grade 9 · about 45 min
JavaScript Classes: The Galactic Object Factory
A gamified lesson for Grade 9: build planet objects with class, constructor, this, new and methods, then code a live page of Planet Cards.
Start the lesson →Python · Grade 10 · about 90 min
Python Game Lab: Tic-Tac-Toe and Guess the Number
Practise first, code second: build a text-based Tic-Tac-Toe and a Guess the Number game in Python, with a real in-browser Python console.
Start the lesson →JavaScript · Grade 10 · about 90 min
Introduction to JavaScript: Variables, Statements and Operators
Practise first, code second: meet JavaScript and Node.js, grab page elements with getElementById, then build four small web pages with variables, statements, data types and operators.
Start the lesson →More to practise: interactive maths lessons, coding games, free printable worksheets and our guides.
FAQ
About the Learn pages
What are the Learn pages?
Full interactive lessons you can use in a live class or on your own. Each one breaks a topic into short missions with hands-on widgets, instant feedback, hints and a quiz.
Are they free?
Yes. Every lesson is free, runs in the browser and needs no account.
Can teachers use them in class?
Yes. Each lesson has a teacher mode with free navigation, talking points and common mistakes, and big text that works well when sharing a screen.
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Play it, don't just read it
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Free games that need no sign-up. Pick one and play for five minutes.
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- Ratio RecipeScale recipes and compare quantities while learning to simplify ratios.Play
- Squares, Cubes & Roots TrainerLearn the squares from 1 to 30, the cubes, and square and cube roots,…Play
- Doubling and Powers of 2Watch doubling explode: 1, 2, 4, 8 ... 1,024, and learn what 2 to the…Play
- Clock ArithmeticWrap round a clock to learn modular arithmetic.Play