Definition of Percent

Want to download the Definition of Percent revision notes in PDF format? Percent Percent is some part of something, expressed in numbers. Percent is denoted by the symbol %. Percent is used to show a part of something in the general quantity. To find the percent of something means to find the part of something …

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Standard Form

Standard form is a way of writing down very large or very small numbers easily. 10³ = 1000, so 4 × 10³ = 4000 . So 4000 can be written as 4 × 10³ . This idea can be used to write even larger numbers down easily in standard form.Small numbers can also be written …

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Ratios

If the ratio of one length to another is 1 : 2, this means that the second length is twice as large as the first. If a boy has 5 sweets and a girl has 3, the ratio of the boy’s sweets to the girl’s sweets is 5 : 3 . The boy has 5/3 …

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Percentages

Want to download the Percentages revision notes in PDF format? A percentage is a fraction whose denominator is 100 (the numerator of a fraction is the top term, the denominator is the bottom term).So 30% = 30/100 = 3/10 = 0.3To change a decimal into a percentage, multiply by 100. So 0.3 = 0.3 × …

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