Algebra and number (AQA GCSE Further Maths): Flashcards

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Algebra and number
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Formula: xx increased by nn%

x(1 + rac{n}{100})

Algebraic form of xx increased by 13%

1.13x1.13x

Algebraic form of xx increased by 25%

1.25x1.25x

Origin of coefficient 1.13 in 1.13x1.13x

Original value (1) + increase (0.13)

Parts method: If p:q=4:5p:q = 4:5, pp represents

4 equal parts

Parts method: If p:q=4:5p:q = 4:5, qq represents

5 equal parts

If p:q=4:5p:q = 4:5, express pp using qq

p = rac{4}{5}q

If b:c=3:2b:c = 3:2, express bb using cc

b = rac{3}{2}c

Convert 75% to simplest fraction

rac{3}{4}

Method to simplify ratios

Divide both sides by HCF

First step: combining percentages and ratios

Convert percentages to fractions or decimals

Alternative to parts method for ratios

Convert ratio to fraction, then algebraic expression

Explore AQA GCSE Further Maths Revision Notes by Topics

Number and algebra I

Algebra II

Algebra III

Algebra IV

Explore AQA GCSE Further Maths Model Answers by Topics

Number and algebra I

Algebra II

Algebra III

Algebra IV

Explore AQA GCSE Further Maths Quizzes by Topics

Number and algebra I

Algebra II

Algebra III

Algebra IV

Explore AQA GCSE Further Maths Exam Questions by Topics

Number and algebra I

Algebra II

Algebra III

Algebra IV

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