Lesson: Proportional and Nonproportional Relationships
In this lesson, we will learn how to recognize ratios that are in proportion, find an unknown term in a proportion, and identify proportionality in real-world problems.
Sample Question Videos
Worksheet: 19 Questions • 4 Videos
This year, Rania celebrated her 10th birthday and her brother Fares celebrated his 5th birthday. Rania noticed that she is now twice as old as her brother. Is the relationship between their ages proportional?
A survey showed that 5 out of 7 people wear a watch. Another survey showed that 11 out of 12 people wear a watch. Are these results proportional?
The following table represents the number of sites dug by a group of archaeologists and the number of weeks they took. Does the table show a proportional relationship?
|Number of Sites||2||3||4|
|Number of Weeks||12||18||24|