Ratio, proportion and rates of change

Ratio, proportion and rates of change
- NEW: Equivalent ratios and simplifying ratios
  Revise how to work out equivalent ratios and simplify ratios by dividing both sides by the highest common factor. Test yourself with practice questions and a game.
- NEW: Ratio and fractions, and sharing in a ratio
  Learn how to convert ratios to fractions and percentages, how to share in a given ratio, and explore ratios as fractions, with videos, quizzes and a game.
- NEW: Scale drawings and maps
  Learn how to work out the actual measurement of an object by using scale factors and revise how to work out distance using a map, with practice questions and a quiz.
- NEW: Percentages of an amount
  Learn how to work out one number as a percentage of another and use the build-up method, unitary method and decimal multiplier method to find the percentages of amounts.
- NEW: Percentage change
  Learn how to calculate percentage change, and how work out a new or an original value after a percentage increase or decrease, with video, practice questions and a quiz.
- NEW: Repeated percentage change, interest and exponential change
  Revise how to work out simple and compound interest, exponential growth and decay, and calculate percentages, with video and quizzes.
- NEW: Working with proportion
  Revise direct and inverse proportion, and use proportion in real-life examples such as finding the best value for money when shopping, with practice questions, a quiz and a game.
- NEW: Equations of direct and inverse proportion
  Learn how proportional relationships look on a graph, understand proportionality with worked examples, and revise algebraic proportion for Higher tier only. With video and quizzes.

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