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  LESSON PLANNING OF HCF Subject Mathematics Grade 5 th Students` Learning Outcomes Find HCF of three numbers up to 2 digits, using prime factorization method. Information for Teachers Factorization means to express a number as the product of its factors. These factors are either composite numbers or prime numbers. (Except that 0 and 1 are neither prime nor composite).  Prime factorization means to express a number as the product of its prime factors, such as; 12 = 2 x 2 x 3. Factors shared by two or more numbers are called common factors, such as; img Because ‘2’ is common in factors of both of these numbers so it is called common factor. The product of two or more common prime factors is the greatest number / factor, which is called Greatest Common Divisors (GCD) or Highest Common Factors (HCF) Highest Common Factor ‘HCF’ of two or more numbers is the greatest number that divides each one of given numbers exactly. Method of prime factorization for finding of HCF of two o

  LESSON PLANNING OF DISTRIBUTIVE LAW Subject Mathematics Grade 5 th Students` Learning Outcomes Verify Distributive Laws Information for Teachers Distributive law collects multiplication and addition subtraction operations; o    Distributive Law w.r.t addition x(b + c) = a x b + a x c o    Distributive law w.r.t subtraction a x ( b – c) = a x b – a x c While teaching the lesson, the teacher should consult textbook at all steps where in and whenever applicable. Introduction Write ‘Distributive Laws’ on the top of the board. Ask students if they have any idea what it is? Tell students that this law (sometimes called property) states that you get the same answer when you multiply a number by a group of numbers added together as when you do each multiplication separately, such as; 3 x (2 + 4) = 3 x 2 + 3 x 4 so the “3” can be “distributed” over the “2 + 4” into 3 times 2 and 3 times 4. Show it with help of the following figure:  Repeat this activity for subtraction.

  Lesson Planning of Order of Operation: BOD-MAS Rule Subject Mathematics Grade 5 th Students` Learning Outcomes Recognize BOD-MAS rule, using only parentheses ( ). Carry out combined operation using BOD-MAS rules. Information for Teachers B Bracket first O Orders (i.e. Powers and Square Roots, etc) D Division and M Multiplication A, Addition S Subtraction Parentheses are used in math to show a part of math expression or equation that must be solved first, before any other calculation are done. In this lesson we will use only parenthesis ( ) as brackets. While teaching the lesson, also teacher consult with textbook at all steps wherein and whenever applicable. Material / Resources Writing board, chalk / marker, duster, textbook Introduction Introduce to the students that Math operations tell whether to add, subtract, multiply or divide, and parenthesis tell which operation is to be done first. Write 3 + 2 x 4 = ------------- on board. Write 20