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24/25 EHE - Percentages Recap
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Percentages recap
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Quizizz - 8Qs40
1. What is the 6th Prime Number?2. What type of shape is this? 3. Convert 174cm into mm 4. What is the Area of a rectangle measuring 4cm by 7cm. 5. Round 9.265 to 1 decimal place 6. Expand -𝑥 ( 𝑥 - 5 ) 7. Factorise 5𝑦 + 25 8. Convert 0.035 into a Percentage
Challenge
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a) Convert 75% to a decimal. b) Convert 0.6 to a percentage. c) Convert 3/5 to a percentage. d) Convert 0.35 to a percentage. e) Convert 2.5% to a decimal. f) Convert 1/4 to a percentage. g) Convert 0.9 to a percentage. h) Convert 120% to a decimal.
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Converting
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a) Find 20% of £80. b) What is 15% of 200? c) Calculate 25% of 400. d) What is 10% of 500? e) Find 30% of 120. f) Calculate 5% of 800. g) What is 12% of 250? h) Find 18% of 360.
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Percentage of an amount (non calculator)
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a) Calculate 23% of 50. b) What is 41% of £25? c) Find 18% of 1200 pence. d) Calculate 9% of 75 meters. e) What is 55% of 1.5 kg? f) Find 28.5% of 90 cm. g) Calculate 12.5% of 200 grams. h) What is 33.3% of 3 liters?
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Percentage of an amount (calculator)
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a) An item originally priced at £50 increases by 20%. What is the new price? b) A company's workforce grows by 15% from its original size of 800 employees. How many employees are there now? c) If a population increases by 10% from 5000, what is the new population? d) A rope measures 30 meters, it is increased by 25%. What was its new length? e) If the temperature rises by 15% from its original temperature of 20°C, what is the new temperature? f) The number of students in a school goes up from 800 to 1000. What is the percentage increase?
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Percentage increase
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a) If a price decreases by 20% from its original price of £80, what is the new price? b) There are 5000 in a population. How many are there after a decrease of 10% c) A salary decreases by 15% from its original value of £1500. What is the new salary? d) If the temperature drops by 20% from its original temperature of 30°C, what is the new temperature? e) The value of a car decreases by 20% from its original value of £10,000. What is its new value? f) If a price decreases from £80 to £64, what is the percentage decrease?
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Percentage Decrease
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a) Calculate the simple interest on £1000 at a rate of 5% per annum for 3 years. b) If you invest £500 at an interest rate of 8% per year for 2 years, how much do you have in total after 2 years? c) Find the simple interest on £2000 at 6% per annum for 4 years. d) If you borrow £8000 at an interest rate of 4% per year for 5 years, what is the simple interest? e) Calculate the simple interest on £1200 at 10% per annum for 1 year. f) If you deposit £3000 in a savings account at an interest rate of 3% per year for 3 years, how much is in the account after 3 years?
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Simple interest
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a) If you invest £2000 with a compound interest rate of 8% per year how much is in the account after 3 years? b) If you invest £3000 with a compound interest rate of 6% per year how much is in the account after 4 years? c) If you invest £5000 with a compound interest rate of 6.3% per year how much is in the account after 6 years? d) The weight of a kitten increases by 14% each month. If the kitten was 2.25kg when it was born, how much does the kitten weigh after 4 months? e) A car costed £2500 then depreciated at 15% per year. How much is it worth after 6 years?
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Compound interest (+ depreciation)
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a) After a 10% increase, a laptop is priced at £550. What was its original price? b) A watermelon's weight increases by 20% after absorbing water. If it now weighs 4.8 kilograms, what was its original weight? c) A shirt is sold for £18 after a 25% discount. What was its original price? d) After a 15% increase in price, a camera now costs £460. What was its original price? e) A gym membership costs £120 after a 30% discount. What was its original price?
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Reverse percentages
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https://drive.google.com/file/d/1cw-5LkBKjywGEAnNUU7bDLDsUHd4x1ia/view?usp=sharing
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Percentages
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y d𝑥
Past paper questions
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https://drive.google.com/file/d/1cw-5LkBKjywGEAnNUU7bDLDsUHd4x1ia/view?usp=sharing
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y d𝑥
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https://drive.google.com/file/d/1cw-5LkBKjywGEAnNUU7bDLDsUHd4x1ia/view?usp=sharing
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y d𝑥
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https://drive.google.com/file/d/1cw-5LkBKjywGEAnNUU7bDLDsUHd4x1ia/view?usp=sharing
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Foundation
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Foundation
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