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Lesson Plan of LCM Using Prime Factorization / Division Method Mathematics Grade V Students’ Learning Outcomes ·          Find LCM of four numbers, up to 2 digits, using prime factorization method. ·          Find LCM of four numbers, up to 2 digits, using division method. Information for Teacher ·          Since the students have done both factorization and division method for finding H CF, so they won’t find this difficult. ·          First go with three numbers questions and explain both methods, then individual or group work and then discuss on four numbers questions. ·          When any number is used to multiply with the set of natural numbers {1, 2, 3, ……}, the product of that number with each of the natural numbers is called multiples of that number, e.g. the multiples of three are : 3(1), 3(2(, 3(3), 3(4(, …. Which are respectively equal to 3, 6, 9, 12…….. ·          The number/multiple among the common multiples of two or more numbers is called

Lesson Plan of Finding H CF of Three Numbers, up to 2 digits, Using Division Method Mathematics Grade V Students’ learning Outcomes ·          Find H CF of three numbers, up to 2 digits, using division method. Information for Teacher ·          There are many methods of finding H CF of two or more numbers, e.g. through prime factorization or through division etc. ·          If large numbers are given then it is hard to find all the common prime factors, in such situation, the H CF of these numbers can be found by using division. ·          There are two methods of division to find H CF, one by continuous division process and second is ladder method ·          In continuous division process, from two given numbers, any one is taken as divisor and other is as dividend, and after division, now remainder is taken as divisor and the first divisor is taken as dividend and we repeat division process. The process keep continue until we get the remainder ‘0’ hence