Exploring Ratios and Their Applications

This video tutorial introduces the concept of ratios, starting with a real-world example involving dogs. It explains the definition of ratios as a comparison of two quantities, typically using division. The tutorial covers different ways to write ratios, including using words, colons, and fractions. It emphasizes the importance of simplifying ratios to their simplest form and provides practice problems to reinforce the concepts. The video concludes with an invitation for students to reach out for further help if needed.

In Mrs. Decarbo's dog walking business, how many more small dogs are there than large dogs?

• 2

• 8

• 6

• 4

If there are 2 large dogs and 8 small dogs, how many times more small dogs are there than large dogs?

• 4

• 3

• 5

• 2

What is a ratio?

• A subtraction of two numbers

• A multiplication of two numbers

• A type of fraction

• A comparison of two quantities

Which of the following is NOT a way to write a ratio?

• Using the word 'to'

• Using a fraction

• Using a colon

• Using a semicolon

How would you simplify the ratio 4:6?

• 4:5

• 3:4

• 1:2

• 2:3

What is the simplest form of the ratio 2:6?

• 3:1

• 1:3

• 1:2

• 2:3

If there are 4 sandwiches and 10 milk cartons, what is the simplest form of the ratio of sandwiches to milk cartons?

• 2:5

• 4:5

• 1:2

• 2:3

For every 2 sandwiches, there are 5 milk cartons. How would you write this ratio as a fraction?

• 2/5

• 5/2

• 1/2

• 2/3

A class has 6 boys and 15 girls. What is the simplest form of the ratio of boys to girls?

• 2:3

• 1:3

• 2:5

• 3:5

Tommy has 8 Legos and 12 Hot Wheels cars. What is the simplest form of the ratio of Legos to Hot Wheels?

• 3:4

• 4:3

• 2:5

• 2:3