1 / 12

Unit Rates

Unit Rates. Unit Rates. Rate – a ratio that compares different kinds of units by division to obtain a unit rate or rate per unit. (You are finding how much for 1 of something. Or the rate when the denominator is 1). Unit Rates.

delphine-manella
Télécharger la présentation

Unit Rates

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Unit Rates

  2. Unit Rates Rate– a ratio that compares different kinds of units by division to obtain a unit rateor rate per unit. (You are finding how much for 1 of something. Or the rate when the denominator is 1)

  3. Unit Rates To express a ratio as a rate per unit, write the ratio as a fraction and then divide the numerator by the denominator. 395 miles in 5 hours miles miles 79 miles per hour = hours hour

  4. Unit Rates 120 words in 3 minutes words 40 words per minute = per minute

  5. Unit Rates If it costs $78 for 13 sandwiches, What is the unit rate?

  6. Unit Rates The cost of a 12-ounce box of Cheerios is $3.29. Publix brand Cheerios cost $4.89 for an 18-ounce box. Find the unit rate to find the better buy.

  7. Unit Rates Miles per Gallon • M.P.G. stands for miles per gallon and is usually used for gas mileage in cars.

  8. Unit Rates • If it takes 16 gallons to drive 352 miles, What is the unit rate or m.p.g.?

  9. Unit Rates Pens can be purchased in a 5-pack for $1.95 or a 15-pack for $6.20. Which is the better buy? Divide the price by the number of pens. price for package number of pens $1.95 5 =  $0.39 price for package number of pens $6.20 15 =  $0.41 The better buy is the 5-pack for $1.95.

  10. price for jar number of ounces price for jar number of ounces Unit Rates Jamie can buy a 15-oz jar of peanut butter for $2.19 or a 20-oz jar for $2.78. Which is the better buy? Divide the price by the number of ounces. $2.19 15 =  $0.15 $2.78 20 =  $0.14 The better buy is the 20-oz jar for $2.78.

  11. Unit Rates 1. John can buy a 8 pencils for $1.25 or a 12 pencils for $2.00. Which is the better buy? $1.25 / 8 = $0.16 $2.00 / 12 = $0.17 2. Mary made $25.00 for working 7 hours at the mall. How much did Mary make per hour? $25.00 / 7 hours = $3.57 / Hr

  12. Unit Rates 4. Lisa paid $158.00 for 3 pair of jeans. What did Lisa pay for each pair of jeans? $158.00 / 3 pair of jeans = $52.67 per jean 5. Bob typed 593 words in 4 minutes. How many words did Bob type per minute? 593 / 4 minutes = 148.3 words/minute

More Related