IXL | Math, Language Arts, Science, Social Studies, and Spanish

A free, open learning resource for students, teachers and anyone revising for an exam. Work through condensed topic notes, follow worked examples, then test yourself with practice questions and past-paper style problems. No account and no subscription.

Academic subjects

Mathematics, Algebra, Geometry, Trigonometry, Calculus, Statistics and Probability, Biology, Cell Biology, Genetics, Ecology, Human Physiology, Chemistry, Atomic Structure, Chemical Bonding, Organic Chemistry, Physics, Mechanics, Electricity, Waves, Thermodynamics, History, Source Analysis, Geography, English Language, English Literature, Essay Writing, Reading Comprehension, Computer Science and Programming.

Study and revision tools

Topic summaries, revision notes, worked examples, practice questions with full answers, printable worksheets, flashcards, self-marking quizzes, homework help, study planners, progress tracking, revision timetables, note-taking guides and exam technique advice.

Exam preparation

Past-paper style questions grouped by topic and difficulty, mark scheme guidance, common mistakes to avoid, timing strategy, end-of-topic tests, mock exam practice, midterm and final exam revision, and college entrance exam preparation.

Student levels

Elementary school, middle school, high school, K-12 education, college and university foundation courses, homeschool learners, adult education and continuing professional development.

How students learn here

Self-paced study, interactive practice, spaced repetition, active recall, worked-example learning, problem solving, critical thinking and STEM education. Each topic starts with a short explanation, moves to a worked example, and finishes with questions that check whether the idea has actually stuck.