Video: Percentage decrease

Katie and Ben set off on a 'discount dash' to see who can scoop the best bargains. They compare purchases and explain how to calculate a percentage decrease.


Video: Channel 4 / Clipbank . . .

Video: How banks make money

Jamie and Katie demonstrate the relationship between banks, savers and borrowers.


Video: Channel 4 / Clipbank . . .

Video: Finding the original

Katie explains how to work out how much more of a product you are getting for your money. 


Video: Channel 4 / Clipbank . . .

Video: Tick or trash: calculating interest

In 'tick or trash', Jamie and Katie both tackle a question which involves performing an interest calculation over two years.


Video: Channel 4 / Clipbank . . .

Currency, measurements and numbers

Copyright: Getty Images



Pronunciation of numbers (American)

Fact Monster: Math

BBC Skillswise: Numbers

BBC Skillswise: Writing big numbers

BBC Skillswise: Percentages

BBC Skillswise: Temperature

BBC Skillswise: Distance

BBC Skillswise: Length, weight and capacity

BBC Skillswise: Volume

BBC Skillswise: Money

Time and date

BBC Skillswise: Timetables

BBC Skillswise: Reading times and dates

BBC Skillswise: Calculating time

Application of number (BBC)

Conversion calculator (Fact Monster)

Measuring units conversion table

Conversion formulae

Conversion & Calculation Center


Valutakalkulator (DnB Nor)

Cappelen Damm

Sist oppdatert: 22.12.2009

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