Exchange Rates & Best Buys (Edexcel IGCSE Maths A)

Flashcards

1/7

Enjoying Flashcards?
Tell us what you think

Cards in this collection (7)

  • Define the term exchange rate.

    Exchange rates are used when comparing and converting between different currencies.

  • True or False?

    Exchange rates can be written as ratios.

    True.

    Exchange rates can be written as ratios.

  • If you have the exchange rate £1 = $1.25 and want to convert £ into $, do you multiply or divide by 1.25?

    If you have the exchange rate £1 = $1.25 and want to convert £ into $, you multiply by 1.25.

  • True or False?

    If £1 = $1.25 then to convert $10 into £ you work out 10÷1.25.

    True.

    If £1 = $1.25 then to convert $10 into £ you work out 10÷1.25.

  • Deal 1 says that 8 pies cost $10.

    Deal 2 says that 12 pies cost $14.

    What is the first step to working out which deal is better?

    Deal 1 says that 8 pies cost $10.

    Deal 2 says that 12 pies cost $14.

    To work out which deal is better, the first step is to work out the cost of 1 pie for each deal.

  • Deal 1 says that 1 pie costs $1.25.

    Deal 2 says that 1 pie costs $1.32.

    Which deal is better?

    Deal 1 says that 1 pie costs $1.25.

    Deal 2 says that 1 pie costs $1.32.

    Deal 1 is better because it is cheaper to buy 1 pie.

  • True or False?

    Deal 1 says that 1.2kg of flour costs $1

    Deal 2 says that 1.3kg of flour costs $1

    Deal 1 is better value for money.

    False.

    Deal 1 says that 1.2kg of flour costs $1

    Deal 2 says that 1.3kg of flour costs $1

    Deal 2 is better value for money because you get more flour for the same price.