Understanding Ratios and Proportions

This video tutorial covers Module 1, Lesson 2 of the Engage New York Eureka Math curriculum for sixth grade. It focuses on understanding and applying ratios, including their notation and real-world applications. The lesson includes exercises to practice ratio relationships and concludes with a problem set and exit ticket to assess understanding.

What is a ratio?

• A pair of numbers where one is negative

• A pair of numbers where both are zero

• A pair of numbers with no specific order

• An ordered pair of non-negative numbers

In the example, 'My brother watches twice as much TV as I do,' what is the ratio of his watching hours to mine?

• 1 to 2

• 1 to 3

• 2 to 1

• 3 to 1

What verbal clue indicates a ratio relationship in the sentence, 'For every two chores my mom gives my brother, she gives three to me'?

• Two

• For every

• Every

• Gives

How many total girls participated in the t-shirt color survey?

• 20

• 26

• 24

• 30

If three girls chose orange and five chose pink, what is the ratio of girls who chose orange to those who chose pink?

• 5 to 3

• 3 to 5

• 1 to 2

• 2 to 1

What is the ratio of white t-shirts to total t-shirts in the survey?

• 19 to 7

• 7 to 19

• 26 to 7

• 7 to 26

In the exercise, what is the correct ratio of yellow t-shirts to orange t-shirts?

• 2 to 5

• 5 to 2

• 3 to 4

• 4 to 3

What is the ratio of male teachers to female teachers in the school?

• 50 to 15

• 15 to 50

• 35 to 15

• 15 to 35

If there are 35 female teachers and 15 male teachers, what is the ratio of female teachers to the total number of teachers?

• 35 to 50

• 15 to 50

• 50 to 35

• 35 to 15

Are the ratios 2 to 5 and 5 to 2 the same?

• Yes, they are equivalent

• No, they represent different relationships

• No, because they are written differently

• Yes, because they have the same numbers