S2_Level_F_Ch11_Algebra - 13 Feb 2012 13 Feb 2012 Created...

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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. Simplifying Algebraic Expressions Removing Brackets Algebra Algebra www.mathsrevision.com Removing Brackets & Simplifying Evaluating Expressions Factorising The common factor 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. A T V has been reduced in t he sale by 20%. I t was 250. How much is it now. 3. 30% of 300 4. T idy up t he expression 5y + 3d + 4d + 10y 5. Find t he ar ea and 2 . S im p lif y t h e r a t io 16 : 6 4 per imet er of t he shape. 6cm 2cm 2cm 3cm 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 1. 1. To remember the phrase To remember the phrase like terms. like terms. 1. To review tidying up expressions. Algebra Algebra Simplifying Algebraic Expressions 2. 2. To be able to simplify simple algebraic To be able to simplify simple algebraic expressions by collecting like terms. expressions by collecting like terms. 13 Feb 2012 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Algebra Algebra Simplifying Algebraic Expressions Reminder ! We can only add and subtract like terms x x x x + + + = 4 x 9 7 p p- = 2 p 10 6 1 w +- = 3 6 a b a b +- + = 2 2 2 x x x + + = 2 7 a b + 9 6 w + 2 3 x 13 Feb 2012 13 Feb 2012 Created by Mr. Lafferty Maths Dept....
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S2_Level_F_Ch11_Algebra - 13 Feb 2012 13 Feb 2012 Created...

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