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Class Clips

Secondary Maths : Numbers

Clip description		Keywords
	A record-breaking litter of 18 puppies Duration: 01:37 A Dalmatian dog has earned her spots with a record-breaking litter of 18 puppies.	vets, pets, multiple, surgery, dogs, animals, estimate, volume

	Bitesize Maths: Advanced indices An animated guide to indices for Higher tier exams.	BitesizeMaths, indices, index, power

	Bitesize maths: Indices An animated guide to indices and powers.	BitesizeMaths, index, indices, powers

	Bitesize Maths: Surds An animated guide to surds and working with them.	BitesizeMaths, surds, roots, rationalising, fractions

	Effects of the change in house prices over recent years Duration: 02:29 A report about the effects of changes in house prices over recent years in one area in northwest England.	losses, mortgage, economics, profit, home, costs, business, recession, percentages, increase, decrease

	How shops handle and process money Duration: 02:34 Explains how shops process the money we spend: percentage-of-sales fees paid to banks for cheques and credit card purchases.	sales, retail, change, percentages, banking, cheques, credit, money

$How to add and subtract fractions$	How to add and subtract fractions An animated step-by-step guide to adding and subtracting fractions.	BitesizeMaths, fractions, addition, subtraction, equivalent fractions, lowest common denominator

$How to mutliply and divide fractions$	How to mutliply and divide fractions An animated step-by-step guide to mutliplying and dividing fractions.	BitesizeMaths, fractions, multiplication, division, numerator, denominator

	Imaginary numbers at use in the real world Duration: 04:54 Marcus du Sautoy looks at the strange ideas of negative and imaginary numbers and how imaginary numbers are vital for real-time tracking of planes in a traffic control tower.	imaginary, complex, negative, number, thecode

	Newton and the development of calculus Praxis the robot and Alan the human man present their animated guide to the development of calculus.	ApproximateHistoryofMaths, calculus, Newton, Leibniz, infinite, infinitesimal, change, curve, tangent, graph

	Prime numbers - do they go on for ever? Duration: 05:13 Marcus du Sautoy explains to Alan Davies Euclid's proof that there are an infinite number of prime numbers.	proof, prime, Euclid, history, factors

	Sales and reduction of VAT Duration: 01:41 A VAT cut came into effect on 1 December 2008. Ministers hope cheaper prices on the high street will encourage shoppers to spend more.	recession, incentive, retail, economics, business, sales, percentages, VAT

	Spirals in nature Duration: 01:52 An introduction to the natural, mathematical phenomenon of spirals.	TheCode, Marcus du Sautoy, spirals, ratio, pattern, sequence, the golden ratio

	The £10 Budget Food Shop Duration: 03:41 Presenter Josie D’Arby goes shopping to buy supper for her friends, she has £10 to spend on food.	shopping, price, addition, fraction, discount, percentage, change, money, numeracy, maths

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Secondary Maths : Numbers

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