Exploring Constant of Proportionality in Math 7

What is the main topic of the video?

• Constant of Proportionality

• Algebraic Expressions

• Geometry

• Rates and Ratios

In the rice and people example, what is the ratio of cups of rice to people?

• 1:3

• 2:6

• 3:9

• 4:12

How do you find the number of people that 10 cups of rice will feed?

• Divide by 3

• Divide by 2

• Multiply by 2

• Multiply by 3

What is the constant of proportionality in the rice and people example?

• 3

• 5

• 2

• 4

What variable is used to represent the constant of proportionality?

• z

• y

• x

• k

In the gallons and quarts example, what is the constant of proportionality?

• 3

• 5

• 4

• 2

How can you verify that a relationship is proportional?

• By checking if the multipliers are the same for all rows

• By adding the values in each row

• By dividing the values in each row

• By subtracting the values in each row

What is the constant of proportionality in the tacos and people example?

• 0.5

• 1

• 1.5

• 2

In the highway billboard example, what is the constant of proportionality?

• 2

• 1.5

• 1

• 2.5

What is the shortcut for finding the constant of proportionality?

• x multiplied by y

• y divided by x

• x divided by y

• y multiplied by x