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  2. Class 6
  3. Playing With Numbers
  4. Factors and Multiples of a Number
  5. Types of Numbers
  6. Twin Primes
Class 6
1. Knowing Our Numbers
2. Whole Numbers
3. Playing With Numbers
3.1. Factors and Multiples of a Number
3.1.1. Finding Factors of a Number
3.1.2. Finding Multiples of a Number
3.1.3. Word Problems on Factors and Multiples
3.1.4. Properties of Factors and Multiples
3.1.5. Types of Numbers
3.1.5.1. Odd and Even Numbers
3.1.5.2. Prime and Composite Numbers
3.1.5.3. Twin Primes
3.1.5.4. Prime Triplet
3.1.6. Co-Primes
3.1.7. Perfect Numbers
3.2. Tests of Divisibility
3.3. Prime Factorization of a Number
3.4. HCF and LCM
4. Basic Geometrical Ideas
5. Understanding Elementry Shapes
6. Integers
7. Fractions
8. Decimals
9. Data Handling
10. Mensuration
11. Algebra
12. Ratio And Proportion
13. Symmetry
14. Practical Geometry

Class 6 NCERT (CBSE and ICSE) Twin Primes

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