Percentages Revision Poster Gcse Math Math Methods Studying M Find 1% first by dividing the amount by 100 and then multiply the amount by the percent you want. 70 100 × 40 = 2810070 ×40 = 28. method 2: the decimal multiplier method. write the percent you want as a decimal and then multiply the amount by this decimal. 40% = 0.440% = 0.4 70 × 0.4 = 2870 ×0.4 = 28. Method 1: the one percent method. find 1% first by dividing the amount by 100 and then multiply this by the amount. 60 100 ×35 = 21 10060 ×35 = 21. method 2: the decimal multiplier method. write the percentage as a decimal and then multiply the amount by this decimal. 35% = 0.3535% = 0.35 60× 0.35 = 2160 ×0.35 = 21.
Percentages Of Amounts Studying Math Math Methods Gcse Math Revision notes. chemistry. chemistrylast exams 2024sl. topic questions. revision notes. practice papers. revision notes on basic percentages for the edexcel gcse maths syllabus, written by the maths experts at save my exams. Percentages of amounts can also be found using known facts about percentages. the most helpful of these facts is how to find 10% of an amount. 10% can be written as \(\frac{10}{100}\) because 10%. A percentage is a fraction whose denominator (bottom) is 100. so if we say 50%, we mean 50 100 = 1 2 (after cancelling). so 50% means ½. if want to find 10% of something, 'of' just means 'times'. so 10% of 150 = 10 100 × 150 = 15. if you have to turn a percentage into a decimal, just divide by 100. for example, 25% = 25 100 = 0.25. The corbettmaths practice questions on finding a percentage of an amount.
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