– Factors and Multiples of a Number
– Prime and Composite Numbers
– Divisibility Test : 2,3,4,5,6,8,9,10,11
– Divisibility Test: Workout
– LCM and HCF of Numbers by Observation
– LCM and HCF of Numbers by Prime Factorisation
– LCM and HCF of Numbers by Long Division
– HCF by Euclids Algorithm and Special Cases of LCM and HCF
– Application of LCM and HCF in the Real World