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Federal Way Public Schools  
Number Sense
Lesson 6		 Ratio and Proportion
  Objectives/Vocab/Tips > Examples 1 | 2 | 3 > Practice: 1 | 2 | 3 > Reflection

Practice 3:

The TV advertisement says that 4 out of 5 dentists prefer TastesGood toothpaste.

  • If you are in a room of 100 dentists, how many dentists can you guess don't prefer TastesGood toothpaste?
  • Explain your answer using words, numbers, and/or pictures.
  • How many dentists can you guess don't prefer TastesGood toothpaste?

Click to see how your explanation compares to the correct response.

 

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