Common Core: 7th Grade Math : Decide if Two Quantiies are in a Proportional Relationship: CCSS.Math.Content.7.RP.A.2a
Study concepts, example questions & explanations for Common Core: 7th Grade Math
All Common Core: 7th Grade Math Resources
Example Questions
Example Question #1 : Proportion / Ratio / Rate
In a class of 
Let 
Now, since we have 
Since we want to find the number of juniors, we need to find the value of 
Example Question #61 : Number Concepts And Operations
In a zoo with 
Let 
Since the zoo has 
Because we want the number of birds, we need to find the value of 
Example Question #62 : Number Concepts And Operations
In a high school of 
Let 
Because the high school has 
Since we want to find out how many juniors there are, we need the value of 
Example Question #2 : Proportion / Ratio / Rate
In a high school, the ratio of freshmen to seniors is 
Set up the following proportion, with 
Now, cross-multiply and solve for 
Example Question #1 : Rational Numbers
On a beach, the ratio of crabs to seagulls is 
Let 
Since there are 
Because the question asks for the number of crabs, we need to find the value of 
Example Question #91 : Ratios & Proportional Relationships
There are 
Write the numbers of boys and girls as a fraction, then simplify.
Example Question #63 : Number Concepts And Operations
At a high school, there are 
Write the number of seniors and numbers of freshmen as a fraction:
That fraction is equivalent to 
Example Question #64 : Number Concepts And Operations
The angles in a triangle are in the ratio 
Let 
Since all the angles in a triangle need to add up to 
Because we want the value of the largest angle, we need to find the value of 
Example Question #92 : Ratios & Proportional Relationships
John and Michela are business partners who agreed to split profits at a ratio of 2:3, with Michela taking the larger share. If their business made 
Let 
Since their business made 
We want to know how much Michela made so we need to find the value of 
Example Question #11 : Fractions
The angles in a triangle have a ratio of 
Let 
Since there are 
Since we want the value of the smallest angle, find the value of 
All Common Core: 7th Grade Math Resources
