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AI got cheap enough that Duolingo’s most expensive plan may not survive it. I read the earnings call transcript and opened the app to see what is actually changing for learners.
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Learn Math Fundamentals, earn certificates with free online courses from Harvard, Stanford, MIT and other top universities around the world. Read reviews to decide if a class is right for you.
Review GMAT analytical writing, integrated reasoning, quantitative, and verbal sections through video lessons, quizzes, and test-taking strategies.
Self-paced study guide spanning literacy, math, science, social studies, and child-development content for New York’s NYSTCE Teachers of Childhood exam.
Prepare for the PERT placement test through foundational math, reading comprehension, essay writing, grammar, and source citation lessons.
Self-paced PSAT preparation covering exam-style math, reading, and writing questions through video lessons and flashcards.
A self-paced high-school precalculus review spanning functions, trigonometry, vectors, sequences, conic sections, polar coordinates, continuity, and limits.
Review language arts, mathematics, science, and social studies content while preparing for the NYSTCE Multi-Subject–Secondary Teachers exam.
High-school precalculus tutoring through short video lessons and practice quizzes covering equations, functions, trigonometry, geometry, and limits.
Short video lessons follow Saxon Algebra 2 chapter by chapter, covering algebra, functions, trigonometry, probability, statistics, and geometry.
Builds foundational geometric reasoning through proofs, figures, congruence, similarity, spatial and analytic geometry, and an introduction to non-Euclidean geometry.
Short, chapter-aligned video lessons reinforce pre-algebra concepts from algebraic expressions and equations to functions, geometry, data analysis, and probability.
Prepares educators to plan, teach, assess, and create learning environments for elementary mathematics, from counting and operations through geometry and data.
Self-paced HSC Mathematics exam preparation covering algebra, geometry, probability, trigonometry, calculus, complex numbers, conics, and applications through short lessons and quizzes.
Review elementary education content and practice for the OSAT Elementary Education certification exam.
A homeschool-focused introduction to Algebra I, from real numbers and word problems through functions, factoring, quadratics, and statistics.
Comprehensive CBASE exam preparation covering English, Math, Science, and Social Studies through video lessons, text content, and quizzes to assess knowledge and identify areas for improvement.
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