4.2.3. Types of Numbers 
 4.2.4. Tests of Divisibility 
 4.2.4.1. Test Divisibility by 2 
 4.2.4.2. Test Divisibility by 3 
 4.2.4.3. Test Divisibility by 4 
 4.2.4.4. Test Divisibility by 5 
 4.2.4.5. Test Divisibility by 6 
 4.2.4.6. Test Divisibility by 7 
 4.2.4.7. Test Divisibility by 8 
 4.2.4.8. Test Divisibility by 9 
 4.2.4.9. Test Divisibility by 10 
 4.2.4.10. Test Divisibility by 11 
 4.2.5. Prime Factors of a Number 
 4.2.6. HCF and LCM 
 5. Fractions 
 6. Decimals 
 8. Measurement 
 9. Average 
 10. Percentage 
 11. Time 
 12. Money 
 13. Geometry 
 15. Volume 
 16. Data Handling 
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