S4_General_Formulae_TJ_Chapter14

S4_General_Formulae_TJ_Chapter14 - 13 Feb 2012 13 Feb 2012...

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Unformatted text preview: 13 Feb 2012 13 Feb 2012 Created by Mr.Lafferty Maths Dept Created by Mr.Lafferty Maths Dept Formulae Formulae Formulae expressed in words www.mathsrevision.com Working with Expressions Evaluating Formulae S4 13 Feb 2012 13 Feb 2012 Created by Mr.Lafferty Maths Dept Created by Mr.Lafferty Maths Dept Starter Questions Starter Questions www.mathsrevision.com 1. 4 13 11 3 2. 2 1 3. 2 1 3 4 a a d a a d- - + + - + Simplif y T h e r a t io o f a p p le s t o p e a r s is 2 : 5 . I f t h e r e a r e 2 8 p ie c e s o f f r u it in t o t a l. H o w m a n y a p p le s a r e t h e r e . S4 13 Feb 2012 13 Feb 2012 Created by Mr.Lafferty Maths Dept Created by Mr.Lafferty Maths Dept www.mathsrevision.com Learning Intention Learning Intention Success Criteria Success Criteria 2. 2. Solving expressions showing Solving expressions showing working. working. 1. To explain the process of working out expressions by Formulae method. 1. 1. Understand process of Formulae. Understand process of Formulae. S4 Formulae Formulae 13 Feb 2012 13 Feb 2012 Created by Mr.Lafferty Maths Dept Created by Mr.Lafferty Maths Dept If a = 3 and b = 9 evaluate a + b 3 + 9 = = 12 Sub in a=3 Sub in b=9 www.mathsrevision.com S4 Formulae Formulae 13 Feb 2012 13 Feb 2012 Created by Mr.Lafferty Maths Dept Created by Mr.Lafferty Maths Dept If a = 3 and b = 9 evaluate ab Sub in a=3 Sub in b=9 Remember ab means a x b a x b 3 x 9 = = 27 www.mathsrevision.com S4 Formulae Formulae 13 Feb 2012...
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S4_General_Formulae_TJ_Chapter14 - 13 Feb 2012 13 Feb 2012...

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