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Unformatted text preview: www.mathsrevision.com S3 Credit Algebraic Operations Algebraic Operations Feb 13, 2012 Feb 13, 2012 Created by Mr. Lafferty@mathsrevision.com Created by Mr. Lafferty@mathsrevision.com Difference of Squares Factors / HCF Common Factors Factorising Trinomials (Quadratics) Factor Priority Starter Questions Starter Questions Feb 13, 2012 Feb 13, 2012 Created by Mr. Lafferty@mathsrevision.com Created by Mr. Lafferty@mathsrevision.com www.mathsrevision.com Q1. Multiply out (a) a (4y 3x) (b) (2x1)(x+4) Q2. True or false S3 Credit Q3. Write down all the number that divide into 12 without leaving a remainder. 5 1 4 1 1 6 3 3 3 = = 13 Feb 2012 13 Feb 2012 Created by Mr. Lafferty@mathsrevision.com Created by Mr. Lafferty@mathsrevision.com Learning Intention Learning Intention Success Criteria Success Criteria 1. 1. To identify factors using factor To identify factors using factor pairs pairs 1. To explain that a factor divides into a number without leaving a remainder 2. To explain how to find Highest Common Factors 2. 2. Find HCF for two numbers by Find HCF for two numbers by comparing factors. comparing factors. www.mathsrevision.com Factors Factors Using Factors S3 Credit 13 Feb 2012 13 Feb 2012 Created by Mr. Lafferty@mathsrevision.com Created by Mr. Lafferty@mathsrevision.com Factors Factors www.mathsrevision.com Factors Example : Find the factors of 56. F56 = 1 and 56 2 and 28 S3 Credit Numbers that divide into 56 without leaving a remainder 4 and 14 7 and 8 Factors Factors 13 Feb 2012 13 Feb 2012 Created by Mr. Lafferty@mathsrevision.com Created by Mr. Lafferty@mathsrevision.com www.mathsrevision.com Highest Common Factor We need to write out all factor pairs in order to find the H ighest C ommon F actor. Highest Common Factor Largest Same Number S3 Credit F8 =...
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