1 / 8

Rates & unit Rates

Rates & unit Rates. Chapter 4. New Vocab. Rate – A ratio with 2 DIFFERENT units of measure Unit Rate – A RATE with a denominator of 1. Becky picked 45 oranges in 15 minutes. Write this as a unit rate. 45 or. 3. or. =. 1. min. 15 min. 45 ÷ 15. She picked 3 oranges per minute.

elin
Download Presentation

Rates & 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. Rates & unit Rates Chapter 4

  2. New Vocab • Rate – A ratio with 2 DIFFERENT units of measure • Unit Rate – A RATE with a denominator of 1

  3. Becky picked 45 oranges in 15 minutes. Write this as a unit rate. 45 or. 3 or. = 1 min. 15 min. 45 ÷ 15 She picked 3 oranges per minute.

  4. Aileen downloaded 35 songs in 5 minutes. Write this as unit rate. 35 s. 7 s. = 1 min. 5 min. 35 ÷ 5 She downloaded 7 songs per min.

  5. In 4 hours a dragonfly can fly up to 144 miles. How many miles per hour is this? 144 mil. 36 mil. = 1 hrs. 4 hrs. 144 ÷ 4 They fly 36 m/h.

  6. Robert drove 405 miles on 15 gallons of gas. How many miles per gallon did he drive? 405 mil. 27 mil. = 1 gal. 15 gal. 405 ÷ 15 Robert drove 27 mpg

  7. Adult heartbeat: 2,100 in 30 min.Baby heartbeat: 2,600 in 20 min.How many more times does a baby’s heartbeat in 45 minutes? 2,100 hb. 70 hb. 70 x 45 = 3,150 = 1 30 min. min 2,600 hb. 130 hb. 130 x 45 = 5,850 = 20 min. min 1 5850 – 3150 = 2,700 more hb/m

  8. Adult heartbeat: 2,100 in 30 min.Baby heartbeat: 2,600 in 20 min.How many more times does a baby’s heartbeat in 60 minutes? 2,100 hb. 4200 hb. 30 x 2 = 60, so 2100 x 2 = ? = 60 30 min. min 20 x 3 = 60, so 2600 x 3 = ? 2,600 hb. 7800 hb. = 20 min. min 60 7800 – 4200 = 3,600 more hb/m

More Related