About Key2Practice:Key2Practice workbooks by Trishla Learning System Private Ltd. Publishing House has fast emerged as the market leaders in workbooks for Preschoolers & Schoolers.About Mathematics Workbook Grade 5, Chapter 3- factors and multiples, Number of worksheets- 43‘Factors and multiples’ has many real life applications be it dividing the cake into equal parts for 4 family members, or exchanging money into equal bills or even in understanding time, the situations are unlimited.This Key2practice power packed set of printable worksheets for grade 5 focuses on special types of numbers such as prime numbers, composite numbers, Co primes, twin primes etc. differentiation between factorisation and prime factorisation.The examples and the variety of the problems e.g. picture problems, word problems etc. ensure concept clarity and will give good practice to your child to perfect the subject.This package consists of following topics 1. Understanding factors2. Properties of factors3. Divisibility rules4. Prime and composite numbers5. Twin primes and co-primes6. Prime factorisation7. Highest common factors8. Understanding multiples9. Properties of multiples10. Least common multiple11. Relationship between LCM and HCFHow to use? -Please let your child attempt only one sheet in a day.-The worksheets are from easy to difficult level. So, the child to attempt the worksheet in sequence one by one.-Help child understand the concept using solved example in the beginning of the worksheets for all chapters.-Guide your child to match answer from answer sheet given in the end.-Help your child go through foot notes for better understanding.-Encourage your child to colour the objects in the black and white worksheets to grasp the concept better.