Class 10 · Mathematics · Ch 1

Number Systems

Real Numbers

6 board marks Moderate ~5h to learn

Not started

6 concepts to cover

6 concepts

Fundamental Theorem of ArithmeticPrime factorisationHCF and LCM via prime factorisationHCF x LCM = product of two numbersProof of irrationality of sqrt(2), sqrt(3), sqrt(5)Irrationality of sums/products with rationals

Clear one concept (5-15 min)

Stuck on one topic? Watch a short explainer instead of a full lecture.

Fundamental Theorem of Arithmetic

Prime factorisation

HCF and LCM via prime factorisation

HCF x LCM = product of two numbers

Quick revision

Under 30 minutes, night-before recap

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