6.1 day 3.notebook
October 27, 2015
warm up
Write the following raos in simplest form and then write the rao in two other ways:
1. 9 to 27
2. 12 to 40
3. 15 to 45
Find the unit rate of the following:
4. 150 words in 5 minutes
5. $350 for 8 people
Oct 25­3:00 PM
chapter 6.1 day 3 ­­ converting rates
Oct 27­7:55 AM
Part b) another jet is traveling at 650 miles per hour. How far does this jet travel in one minute?
Example 1) Wring an Equivalent Rate
Part a) A jet flies 540 miles per hour. Write its rate in miles per minute.
How can I convert hours to minutes? How many minutes are in one hour?
540 miles
1 hour
Oct 25­3:04 PM
Oct 25­3:06 PM
Example 2) Using equivalent rates to solve mul‐step rao problems
Pracce : you travel at 15 miles per hour. How many feet have you traveled? (Hint: there are, 5,280 in one mile)
1) Engineers designed a miniature robot that can crawl through pipes and vents that humans can’t access. The robot travels 1 inch in 3 seconds. How many feet does the robot travel in 4 minutes?
1 inch 3 seconds
Oct 25­3:06 PM
Oct 25­3:06 PM
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6.1 day 3.notebook
2.) A sloth travels at 3 miles in 4 hours. How many feet does a sloth travel in 1 minute?
October 27, 2015
3.) Your hair grows at a rate of 1.2 inches in 5 days. How many feet will your hair grow in a year?
Oct 25­3:08 PM
What if the robot from problem 1 traveled 5 inches in 4 seconds, how many feet does the robot then travel in 3 minutes?
Pracce:
Oct 25­3:08 PM
Homework:
Equivalent ratios worksheet
Oct 25­3:08 PM
Oct 25­3:09 PM
Oct 27­8:38 AM
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