Arithmetic and pre-algebra
Ratios, proportions, units and rates

Rates

  1. Usain Bolt's Average Speed
  2. Finding Unit Rates
  3. Finding Unit Prices
  4. Rate problems 0.5
  5. Rate problems 1
  6. Rate problems 2

Usain Bolt's Average Speed Figuring out Usain Bolt's average speed over 100m when he broke the world record in 2009

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Usain Bolt's Average Speed

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