All Common Core: 7th Grade Math Resources
Example Questions
Example Question #12 : How To Find The Part From The Whole With Percentage
How much would a product sold for
off cost?
First, find of
:
Then, subtract this value from the whole:
Example Question #13 : How To Find The Part From The Whole With Percentage
How much would a product sold for
off cost?
First, find of
:
Then, subtract this value from the whole:
Example Question #1762 : Isee Middle Level (Grades 7 8) Mathematics Achievement
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 #1763 : Isee Middle Level (Grades 7 8) Mathematics Achievement
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 #161 : Grade 7
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 #162 : Grade 7
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 #163 : Grade 7
240 is 30% of what number?
Set up the proportion statement and solve for :
Cross-multiply:
Example Question #3 : How To Find The Whole From The Part With Percentage
420 is 150% of what number?
Set up the proportion statement and solve for by cross-multiplying:
Example Question #164 : Grade 7
What number increased by 25% is equal to 7?
To increase a number by 25% is to take
of the number, or, equivalently, multiply it by
.
Therefore, we divide 7 by :
, so
.
Example Question #165 : Grade 7
What number decreased by 25% is equal to 7?
To decrease a number by 25% is to take
of the number, or, equivalently, multiply it by
.
Therefore, we divide 7 by :
, so
.
All Common Core: 7th Grade Math Resources
