Ratios and Rates

• Ratios method:

  divide a:b by a
• 12 minutes to 60 minutes/12:60=

  1:5 -PRACTICE
• Ratios:

  comparing two quantities that have the same units
• Rates method:

  divide a:b by their GCF
• $60:140 bricks=

  $3:7 bricks -PRACTICE
• Unit Rate:

  A rate for one of something
• Unit Rate method:

  divide the numerator by the denominator
• unit rate for 6 ounces of oil in 9 days:

  2:3 -PRACTICE
• Rates: 


  comparing two quantities that have different units