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Illustrations by Nate Powell
STANDARDS
CCSS: 6.RP.A.3, 7.RP.A.2
TEKS: 6.5A
MPS: MP2, MP5, MP7
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Escape the Titanic
YOUR MISSION: As you read the panels, use ratios and proportions to escape the sinking Titanic! Write all answers in simplest form on the online answer sheet.
A ratio is a comparison between two quantities. They can represent part-to-part, part-to-whole, or whole-to-part relationships.
Part to part: A : B
Part to whole: A : (A + B + C. . . )
Whole to part: (A + B + C. . . ) : B
A proportion is a type of equation that states two ratios are equivalent.
What’s the ratio of forks to knives?
What’s the ratio of spoons to total silverware?
There are 8 people seated at your table. How many glasses are on the table in total? Use a proportion to solve.
What’s the ratio of bulkheads with water to total bulkheads on the Titanic?
Andrews calculates that it will take only 9 minutes to fill 1 bulkhead. How many minutes will it take to fill the remaining bulkheads? Use a proportion to find out.
SOS
. . . - - - . . .
CQD
- . - . - - . - - . .
What’s the ratio of dots to dashes in CQD?
What’s the ratio of dots to dashes in SOS?
If Phillips sends SOS 4 times in a row, how many dashes is that? Use a proportion to solve.
What’s the ratio of collapsible boats to total escape boats?
What’s the ratio of cutters to large wooden boats?
Each large wooden lifeboat carries up to 65 passengers. What’s the maximum number of people who could escape on this type of lifeboat? Use a proportion to solve.
Each large wooden lifeboat carries up to 65 passengers. What’s the maximum number of people who could escape on this type of lifeboat? Use a proportionto solve.
Each emergency cutter holds up to 40 people. How many people could escape on these boats?
The 2 canvas collapsible boats could hold 94 people. How many people could fit in 4?
How many passengers in total could all of the Titanic’s escape boats carry?
Eventually, the crew launches all 14 wooden lifeboats, the 2 cutters, and 2 of the 4 collapsible boats. What’s the ratio of total boats to boats that were used?
On average, 28 people were on each of the 14 wooden lifeboats. How many people is that in total? Use a proportion to solve.
Use any of the numbers in this story to write your own ratio.
Courtesy of Nicola Dove/Disney Enterprises, Inc.
$7.5 million
Cost to build the ship in 1912. In today’s dollars, that would be about $200 million!
52,310 pounds
Weight of the massive ship
179 Feet
Height from the ship’s bottom to the top of the steam funnels
26 miles per hour
Top speed of the ship