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Unit 3: Playing with numbers
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This lesson involves the concepts covered in the lessons as per the NCERT book as (i) 3.1 - Introduction and (ii) 3.2 Factors and multiples
Practice
- Relate factors and multiplesGet 5 of 7 questions to level up!
- Intro to factors and multiplesGet 5 of 7 questions to level up!
This lesson involves the concepts covered in the lessons as per the NCERT book as (i) 3.3 - Prime and composite numbers
Practice
- Identify prime numbersGet 5 of 7 questions to level up!
- Identify composite numbersGet 5 of 7 questions to level up!
- Conceptual questions on odd, even, prime, composite numbersGet 5 of 7 questions to level up!
This lesson involves the concepts covered in the lessons as per the NCERT book as (i)3.4 - tests of divisibility of numbers
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Practice
- Divisibility testsGet 5 of 7 questions to level up!
- Divisibility tests for 8 and 11Get 5 of 7 questions to level up!
This lesson involves the concepts covered in the lessons as per the NCERT book as (i) 3.5 - Common factors and common multiples
Practice
- Identify common factorsGet 3 of 4 questions to level up!
- Identify co-prime numbersGet 3 of 4 questions to level up!
This lesson involves the concepts covered in the lessons as per the NCERT book as (i) 3.6 - Prime factorisation
Practice
- Prime factorizationGet 5 of 7 questions to level up!
- Prime factorization of larger numbersGet 3 of 4 questions to level up!
This lesson involves the concepts covered in the lessons as per the NCERT book as (i) 3.7 - Highest common factors
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Practice
- Greatest common factorGet 5 of 7 questions to level up!
This lesson involves the concepts covered in the lessons as per the NCERT book as (i) 3.8 - Lowest common multiple
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Practice
- Least common multipleGet 3 of 4 questions to level up!
- LCM of three numbersGet 3 of 4 questions to level up!
This lesson involves the concepts covered in the lessons as per the NCERT book as (i) 3.9 - Some problems on HCF and LCM
Practice
- GCF & LCM word problemsGet 5 of 7 questions to level up!
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