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[DOC File]Percentages
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Multiply the answer by the percentage you want. For example: Find 25% of 80. 80 . divided by . 100, multiplied by . 25. Now try these: Find 25% of 32. 75% of 36. 80% 0f 35. 10% 0f 142. 20% of 60. 35% 0f 70. 6% 0f 220. 15% of 150 The report on motor insurance shows price increases between . 2005 and 2006. Which type of insurance had the largest ...
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[DOC File]Percentages at Level 1
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e.g. express 12 out of 20 as a percentage . Calculator method – if the fraction can not be easily changed into hundredths, then write the fraction as a decimal then multiply by 100. e.g. express 13 out of 18 as a percentage . Finding a percentage of an amount. Non-calculator method – it is easy to find 10% of an amount by dividing by 10
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Percentage Change - Percentage Increase and Decrease ...
Use your calculator to: Increase 420 by 82%. Decrease 509 by 16%. Increase 271 by 7%. Prior Knowledge: To use scale factors to find what percentage one number is of another? Activities: What is 34 as a percentage of 74? What is 57 as a percentage of 100? What is 17 as a percentage …
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[DOC File]Percentages - Emaths
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increase and decrease a quantity by a given percentage, using mental, written and calculator methods recognise equivalences when calculating percentage increases and decreases, eg multiplication by 1.05 will increase a number or quantity by 5%, multiplication by 0.87 will decrease a number or quantity by 13% (Reasoning)
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[DOCX File]Percentages - Learning Teaching
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Increase or Decrease by a Percentage. For these questions, you must work out the percentage (using the rule you have just practised) and then either add or take away from the original number. Increase 200 by 20%. Increase 30 by 6%. Decrease 50 by 7%. Decrease 350 by 15%. Add 17.5% VAT to £400. Finding a Quantity as a Percentage
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[DOCX File]EDITED MA4-5NA Fractions Decimals Percentages (1).docx
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Notes: Percent/Decimal/Fraction Conversions. To change a percent to a decimal: move the decimal two places to the left and drop the percent sign.. To change a . percent to a fraction: Put the number over 100, drop the percent sign. Reduce the fraction on the calculator.
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[DOC File]Notes: Percent/Decimal/Fraction Conversions
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Work out the percentage of pupils who entered the egg and spoon race. (2 marks) _____ There are 150 kangaroos at a wildlife park. (a) There are 66 female kangaroos. What percentage is female? (2 marks) (b) The number of kangaroos increases by 20% each year. Calculate the number of kangaroos in the wildlife park after 2 years. (3 marks)
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Percentage increase calculator