All ISEE Middle Level Math Resources
Example Questions
Example Question #21 : How To Find The Part From The Whole With Percentage
Solve for .
Use a proportion to solve the problem.
Cross multiply
Example Question #17 : Percentages
To get on the ballot for student body president, a student must turn in a petition with the signatures of 4% of the students. If there are 3,268 students, how many signatures must a student get to be on that ballot? (Round to the nearest whole person.)
4% of 3,268 can be calculated by multiplying 3,268 by 0.04, the decimal equivalent of 4%:
Multiply 3,268 by 4, then move the decimal point two places to the right:
,
so
Rounded to the nearest whole number - 131 signatures.
Example Question #22 : How To Find The Part From The Whole With Percentage
Sally painted 11 pictures on Monday, 7 pictures on Wednesday, and 3 pictures on Friday. On average, how many pictures did Sally paint on those 3 days?
To solve, first find the total number of pictures painted:
Then, divide the total number of pictures by the total number of days to find the average.
Sally painted an average of 7 pictures per day.
Example Question #3 : Use Proportional Relationships To Solve Multistep Ratio And Percent Problems: Ccss.Math.Content.7.Rp.A.3
200 percent of what number is equal to the difference between 75 and 25?
We must first start by finding the difference between and :
Next find the decimal equivalent of %, which is done by dividing by :
Now we divide by .
Our final answer is , because when it is multiplied by %, it equals the difference between and .
Example Question #23 : How To Find The Part From The Whole With Percentage
Solve:
Example Question #1 : Use Proportional Relationships To Solve Multistep Ratio And Percent Problems: Ccss.Math.Content.7.Rp.A.3
What is the sale price of a game if it is % off the original price of ?
First, multiply:
Then subtract that amount from the original price:
Answer: The sale price is .
Example Question #4 : Use Proportional Relationships To Solve Multistep Ratio And Percent Problems: Ccss.Math.Content.7.Rp.A.3
What is the sale price of a carton of milk if it is % off the original price of ?
First, multiply:
Then subtract that amount from the original price:
Answer: The sale price is .
Example Question #3 : Use Proportional Relationships To Solve Multistep Ratio And Percent Problems: Ccss.Math.Content.7.Rp.A.3
What is the sale price of a pair of shoes if it is % off the original price of ?
First, multiply:
Then subtract that amount from the original price:
Answer: The sale price is .
Example Question #24 : How To Find The Part From The Whole With Percentage
Find the equivalent of %.
Divide:
Answer:
Example Question #25 : How To Find The Part From The Whole With Percentage
Find the equivalent of %.
Divide:
Answer:
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