S3_General_Chapter13_TJ_Pythagoras_Theorem

S3_General_Chapter13_TJ_Pythagoras_Theorem - General 13 Feb...

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Unformatted text preview: General 13 Feb 2012 13 Feb 2012 Compiled by Mr. Lafferty Maths Dept. Compiled by Mr. Lafferty Maths Dept. Pythagoras Theorem Pythagoras Theorem www.mathsrevision.com Squaring a Number and Square Roots Investigating Pythagoras Theorem Finding the length of the smaller side Mixed problems Calculating the Hypotenuse Solving real-life problems Distance between two points General 13 Feb 2012 13 Feb 2012 Compiled by Mr. Lafferty Maths Dept. Compiled by Mr. Lafferty Maths Dept. Starter Questions www.mathsrevision.com 2 2 . 3 4 I s 14 2 t h e s am e as Ex plain? 4 0 5 + + 1. I s (- 2) 3 3 = 3. Explain your answer 2. Calculate 45% of 360 3. 4. Calculate General 13 Feb 2012 13 Feb 2012 Compiled by Mr. Lafferty Maths Dept. Compiled by Mr. Lafferty Maths Dept. Squaring a Number Squaring a Number www.mathsrevision.com Learning Intention Learning Intention Success Criteria Success Criteria 1. 1. To understand what is meant by the To understand what is meant by the term term ‘ ‘ squaring a number’ squaring a number’ 1. To understand the term ‘ ‘ squaring a number’. squaring a number’. 2. 2. Be able to calculate squares both Be able to calculate squares both mentally and using the calculator. mentally and using the calculator. General 13 Feb 2012 13 Feb 2012 Compiled by Mr. Lafferty Maths Dept. Compiled by Mr. Lafferty Maths Dept. www.mathsrevision.com Squaring a Number Squaring a Number To square a number means to : “Multiply it by itself” means 9 x 9 = 81 Example : 2 9 means 10 x 10 = 100 2 10 General 13 Feb 2012 13 Feb 2012 Compiled by Mr. Lafferty Maths Dept. Compiled by Mr. Lafferty Maths Dept. Now try Exercise 1 Ch13 (page 151) www.mathsrevision.com Squaring a Number Squaring a Number General 13 Feb 2012 13 Feb 2012 Compiled by Mr. Lafferty Maths Dept....
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This note was uploaded on 02/13/2012 for the course MAT 1117 MAT 117 taught by Professor White during the Spring '09 term at University of Phoenix.

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S3_General_Chapter13_TJ_Pythagoras_Theorem - General 13 Feb...

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