Proportional vs Non-Proportional Relationships Explained

The video tutorial explains how to determine if relationships are proportional or non-proportional by comparing ratios or rates. It uses examples of calorie calculations for Eric and Lucy to illustrate these concepts. The tutorial also covers how to identify proportional relationships in tables and calculate earnings based on hours worked. The video concludes with assignment instructions.

What is the definition of a proportional relationship?

• When the ratios or rates of two quantities are different

• When one quantity is always greater than the other

• When the ratios or rates of two quantities are equal

• When the quantities are not related

Tags

CCSS.7.RP.A.2A

What is the definition of a non-proportional relationship?

• When the ratios or rates of two quantities are equal

• When the quantities are not related

• When the ratios or rates of two quantities are different

• When one quantity is always greater than the other

Tags

CCSS.7.RP.A.2D

How many calories per minute did Eric burn after 5 minutes?

• 10 calories per minute

• 12 calories per minute

• 14 calories per minute

• 16 calories per minute

Tags

CCSS.7.RP.A.2B

What was the constant rate of calories burned per minute for Eric?

• 12 calories per minute

• 14 calories per minute

• 16 calories per minute

• 18 calories per minute

Tags

CCSS.7.RP.A.2B

How many calories per minute did Lucy burn after 5 minutes?

• 7 calories per minute

• 8 calories per minute

• 9 calories per minute

• 10 calories per minute

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What was the rate of calories burned per minute for Lucy after 15 minutes?

• 11 calories per minute

• 10 calories per minute

• 9 calories per minute

• 8 calories per minute

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Why was Lucy's calorie burn rate considered non-proportional?

• Because her rates were all the same

• Because she burned more calories than Eric

• Because she ran for a shorter time

• Because the ratio of 120 to 15 was not equal to the others

Tags

CCSS.7.RP.A.2A

What is the hourly rate of Ben's earnings?

• $8.00 per hour

• $7.50 per hour

• $9.00 per hour

• $8.50 per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

How much does Ben earn after working for 4 hours?

• $32.00

• $34.00

• $38.00

• $36.00

Tags

CCSS.3.OA.A.3

What is the total amount Ben earns after working for 14 hours?

• $110.00

• $115.00

• $119.00

• $125.00

Tags

CCSS.6.NS.B.3