Comparing Numbers with Ratios

A Tennis Game

Work Time

A Tennis Game

The ratio of the number of females watching a tennis game to the number of males watching the tennis game is 3 to 2. You can write that as 32, or 3:2.

  • Can you tell from this ratio how many females are watching the tennis game? Explain.
  • Can you tell from this ratio how many people are watching the tennis game? Explain.
  • Can you tell from this ratio whether more males or more females are watching the game? Explain.
  • Can you tell from this ratio the difference between the number of males and the number of females watching the game? Explain.
  • Could you use this ratio to write the ratio of the number of males watching the tennis game to the number of females watching the tennis game? Explain.

Ask yourself:

  • Sketch a diagram showing several possible numbers of females and males watching the game. Can you tell which numbers are correct based on the ratio?
  • In looking at a ratio, how can you tell which number represents the larger amount?
  • What would you need to know to find the difference between the number of males and females watching the game?
  • In determining whether the ratio can be rewritten to represent males to females, think about the definition of a ratio.