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.

October 1, 2020
By Karina Hamalainen • Illustrated by Nate Powell

WORKING WITH RATIOS AND PROPORTIONS

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 forks to knives?

What’s the ratio of spoons to total silverware?

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.

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?

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.

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.

MORSE CODE

SOS

. . .   - - -   . . .

CQD

- . - .   - - . -   - . .  

What’s the ratio of dots to dashes in CQD?

What’s the ratio of dots to dashes in CQD?

What’s the ratio of dots to dashes in SOS?

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.

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 collapsible boats to total escape boats?

What’s the ratio of cutters to large wooden 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 proportion
to solve.

Each emergency cutter holds up to 40 people. How many people could escape on these boats?

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?

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?

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?

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.

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.

Use any of the numbers in this story to write your own ratio.

TITANIC BY THE NUMBERS

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!

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

Weight of the massive ship

179 Feet

Height from the ship’s bottom to the top of the steam funnels

Height from the ship’s bottom to the top of the steam funnels

26 miles per hour

Top speed of the ship

Top speed of the ship

Continue the Learning Journey

  • Pretend that you are a passenger aboard the RMS Titanic. Write a journal entry about your experience on the ship. Be sure to use descriptive language in your writing, including details about the five senses.
  • Draw a cartoon summary of your favorite movie, with math questions incorporated, similar to the graphic novel format of this article. Include questions that use part-to-part ratios, part-to-whole ratios, and proportions in your cartoon.
  • Play the game Ratio Review to practice identifying equivalent ratios.

Continue the Learning Journey

  • Pretend that you are a passenger aboard the RMS Titanic. Write a journal entry about your experience on the ship. Be sure to use descriptive language in your writing, including details about the five senses.
  • Draw a cartoon summary of your favorite movie, with math questions incorporated, similar to the graphic novel format of this article. Include questions that use part-to-part ratios, part-to-whole ratios, and proportions in your cartoon.
  • Play the game Ratio Review to practice identifying equivalent ratios.
Ratios & Proportions
Ratios, Proportions
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