This PPT consists of a wide range of unsolved exercises on percentage through which students will be able to work out any percentage problem with ease.
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9th January 2012 Objective: to be able to work out percentage increases and decreases (level 6) By the end of the lesson: All : will be able to work out any percentage. : will be able to complete percentage increases and decreases. Most Some: will start to consider compound interest.
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In your head! Complete this table without a calculator! f 16 f22 f70 f5.40 25.80 f80.40
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Answers Complete this table without a calculator! f 16 €22 €70 €25,80 €80,40 f 1.60 f 2.20 f 0.54 f 2.58 f 8.04 f 11 f 35 f 2.70 f 12.80 f 40.20 f 5.50 f 17.50 f 1.35 f 6.40 f 20.10 f 2.40 f 3.30 f 10.50 f 0,81 f 12.06
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10 quick questions ' You should be able to work out some percentages in your head very quickly. Like which ones ' Answer the following 10 questions in your book.
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Percentage Decrease There is a pair of trainers in the sale. There were originally f60. off. They have How much do I pay for them?
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Percentage Increase E350 into a savings account. I put After a year, the amount has increase by through interest. How much do I have in there now? '1000
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Percentage Increase There are some designer sunglasses in a sale 45% off. with before the sale. They were E 190 How much are they now?
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Percentage Increase before VAT is added. f3400 A car costs VAT is How much is the car to buy?
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Questions 1. 2. 3. 4. 5. 6. Increase E300 by 10% Increase E25 by Increase E80 by Decrease E45 by 5% Decrease E50 by Decrease E220 by 1. 2. 3. 4. 5. 6. Red Increase E96 by 15% Increase E18 by Increase E256 by 5% Decrease E72 by Decrease E321 by 2% Decrease €123.50 by
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