Definition of Percent

Want to download the Definition of Percent revision notes in PDF format? [mathjax]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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