S4_Foundation_Proportion_MIA

Answer 4 days 28p 1 day 28 4 7p 5 days

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Unformatted text preview: 0 7 Created by Mr. Lafferty @www.mathsrevision.com 24 Monday, February 13, 2012 Best Buys S4 Learning Intention Success Criteria 1. To be able to find the price of one To be able t product. 2. Decide which is the best buy. www.mathsrevision.com 1. Calculating the Best Buys for household goods. Monday, February 13, 2012 Created by Mr. Lafferty @www.mathsrevision.com 25 2 for 1 Best Buys S4 We often see lots of special offers at various supermarkets. Example : Which is the better buy? 50% off www.mathsrevision.com 2 light bulbs for 90p or 5 light bulbs for 2.00 Answer : (i) (ii) 1 bulb 1 bulb 90 2 = 45p 2.00 5 = 40p or 0.40 Best buy is 5 bulbs at 40p Monday, February 13, 2012 Created by Mr. Lafferty @www.mathsrevision.com 26 Best Buys S4 Example : Which is the better buy? www.mathsrevision.com 5 balloons for 1.20 or 6 balloons for 1.50 Answer : (i) (ii) 1 balloon 1.20 5 = 24p or 0.24 25p or 0.25 1 balloon 1.50 6 = Best buy is 5 balloons at 24p Monday, February 13, 2012 Created by Mr. Lafferty @www.mathsrevision.com 27 Using the Rate S4 www.mathsrevision.com Now try Ex 5.1 Ch 2 (page 26) Monday, February 13, 2012 Created by Mr. Lafferty @www.mathsrevision.com 28 Starter Questions S4 1. Find 4 0 % o f 2 0 0 2 . I f 3 pint s o f m ilk c o s t 1.2 0 . Ho w m uc h f o r 2 pint s . 3 . I g e t paid 5 .5 0 an h o ur . Ho w will i g e t paid f o r 10 h o ur s wo r k . 1 4 . o f 3 6 0 8 Monday, February 13, 2012 Created by Mr. Lafferty @www.mathsrevision.com 29 www.mathsrevision.com Best Buys S4 Harder example Example :...
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This note was uploaded on 02/13/2012 for the course MATH 115 115 taught by Professor Jones during the Spring '10 term at University of Phoenix.

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