Currency, Exchange Rates, and Inflation

Ages 16–18

Difficulty adapts to you

Currency, Exchange Rates, and Inflation

An exchange rate tells how many units of one currency equal a unit of another. Write the rate with its direction before multiplying or dividing. Inflation means prices rise over time, so the same amount of money buys fewer goods.

Your goals

  • ✓You can convert currencies and understand how changing prices affect purchasing power.
  • ✓You can use Currency, Exchange Rates, and Inflation, model correctly.
  • ✓You can use the definitions, units, assumptions, and examples to check your answer.

Words to know

Currency, Exchange Rates, and Inflation:
Convert currencies and understand how changing prices affect purchasing power.
model:
A rule or representation used to describe a situation and make a prediction.

Examples

  • 1If $1 = ₦1,500, then $80 = 80 × 1,500 = ₦120,000 before fees.
  • 2A ₦10,000 item rising by 12% costs ₦11,200 because 10,000 × 1.12 = 11,200.

Check these

  • • Do not skip the meaning of a term or give a result without explaining what it means.
  • • Keep every number, symbol, label, and unit in its correct place.
  • • Show enough working to check how you reached your answer.

Helpful habits

  • • Read the whole question before choosing what to do.
  • • Show one clear step at a time and check each step.
  • • If you are stuck, draw a model, try smaller numbers, or revisit the example.

Now try your own

Create your own currency, exchange rates, and inflation example, solve it, and explain how you checked it.

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