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Learning App for
9 Year Olds

Long division, fractions with unlike denominators, decimals, author's perspective, Newton's Laws โ€” 4th grade is rigorous. Lumi makes every concept clear and learnable.

Try Free for 48 Hours โ†’

What 9-Year-Olds Learn in Lumi

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Math

Multi-digit multiplication, long division, equivalent fractions, decimals, angles, coordinate plane

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ELA

Greek/Latin roots, connotation, figurative language, all three POVs, argumentative writing, text evidence

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Science

Atoms & matter, Newton's Laws, electromagnetic spectrum, cell theory, body systems, plate tectonics

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Social Studies

U.S. regions, Columbian Exchange, Revolutionary War, Constitution, westward expansion, Civil War

Fourth grade packs some of the most conceptually demanding content in elementary school โ€” long division, unlike-denominator fractions, and the first real brush with persuasive writing. Lumi's 4th grade curriculum breaks each challenge into clear, voice-guided steps so kids build confidence rather than anxiety around hard topics.

Keep Your 9-Year-Old Moving Forward

Full 4th grade curriculum, all 4 subjects. Try Lumi free for 48 hours.

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