ISEE Middle Level Math : Numbers and Operations

Study concepts, example questions & explanations for ISEE Middle Level Math

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Example Questions

Example Question #691 : Numbers And Operations

Barbara is purchasing a purse. If the purse orignally costs $125.00, how much will she pay for it if it is 40% off?

Possible Answers:

Correct answer:

Explanation:

First, multiply:

Then, subtract that amount from the original price:

Answer: Barbara will pay $75.00 for the purse.

Example Question #692 : Numbers And Operations

How much does a can of paint cost if it is on sale for 25% off its original price of $17.96?

Possible Answers:

Correct answer:

Explanation:

First, multiply .

Then, subtract that amount from the original price:

Answer: The can of paint's sale price is .

Example Question #693 : Numbers And Operations

What is ?

Possible Answers:

Correct answer:

Explanation:

First,subtract 7 from each side:

Then, divide each side by 7:

 

Example Question #22 : How To Find Percentage

Berta went shopping for a bathroom curtain. How much did she pay for the curtain if it was  off its original price of

Possible Answers:

Correct answer:

Explanation:

First, multiply .

Then, subtract that amount from the original price.

Answer: Berta paid  for the curtain.

Example Question #23 : How To Find Percentage

Oliver pays for a skateboard. What is the discount percentage he receives if the skateboard originally costs

Possible Answers:

Correct answer:

Explanation:

Divide .

Subtract that amount from  to find the discount percentage Oliver received:

Answer: Oliver received a  discount on the skateboard.

Example Question #21 : Percentage

A computer is on sale for  off its original price of  What is the sales price of the computer?

Possible Answers:

Correct answer:

Explanation:

First, multiply

 

Then, subtract that amount from the original price:

Answer: The sales price is

 

Example Question #22 : Percentage

A painting is 37% off of its original price of $200.00. What is the sale price of the painting?

Possible Answers:

Correct answer:

Explanation:

First, multiply:

The, subtract that amount from 200:

Example Question #23 : Percentage

A guitar is on sale for 15% off of its original price of $350.00. What is the sales price of the guitar?

Possible Answers:

Correct answer:

Explanation:

First, multiply:

Then, subtract that value from the original amount:

 

Example Question #27 : How To Find Percentage

85 is what percent of 400?

Possible Answers:

Correct answer:

Explanation:

Set up the proportion statement, where  is our answer, and solve:

Example Question #24 : Percentage

In a class of 120 students, 108 of them decide to attend a field trip. What percent of the students do not attend the field trip?

Possible Answers:

10%

12%

90%

88%

Correct answer:

10%

Explanation:

If 108 students attend the field trip, 12 students do not.

To find the percent of students not attending the field trip, divide the number of students not attending by the total number of students, and then multiply that result by 100%.

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