ISEE Middle Level Math : Numbers and Operations

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

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Example Questions

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Example Question #251 : Percentage

What is  of  ? 

Possible Answers:

Correct answer:

Explanation:

To find a percentage of a whole number, we will multiply the percentage by the whole number.

So, we get

 

 

 

The zeros can cancel out.  We get

 

 

 

 

 

Therefore,  of  is .

Example Question #1811 : Isee Middle Level (Grades 7 8) Mathematics Achievement

Find  of .

Possible Answers:

Correct answer:

Explanation:

To find a percentage of a whole number, we will multiply the percentage by the whole number.  We get

 

 

 

We can cancel the zeros to simplify.  We get

 

 

 

 

 

 

Therefore,   of  is .

Example Question #261 : Percentage

What is  of  ?

Possible Answers:

Correct answer:

Explanation:

To find the percentage of a whole number, we will multiply the percentage by the whole number.

 

 

 

Now, we can cancel out the zeros.  We get

 

 

 

 

 

Example Question #71 : How To Find The Part From The Whole With Percentage

What is 35% of 200 ? 

Possible Answers:

Correct answer:

Explanation:

To find a percentage of a whole number, we will multiply the percentage by the whole number. So, we get

 

 

 

We can cancel the zeros to make things easier.

 

 

 

 

Example Question #1821 : Isee Middle Level (Grades 7 8) Mathematics Achievement

What is 75% of 300?

Possible Answers:

Correct answer:

Explanation:

To find a percentage of a whole number, we will multiply the percentage by the whole number.  So, we get

 

 

 

The zeros will cancel. 

 

 

 

 

Example Question #1822 : Isee Middle Level (Grades 7 8) Mathematics Achievement

What is 90% of 310? 

Possible Answers:

Correct answer:

Explanation:

To find a percentage of a whole number, we will multiply the percentage by the whole number. So, we get

 

Now, the zeros can cancel out. We get

Example Question #1821 : Isee Middle Level (Grades 7 8) Mathematics Achievement

What is sixty percent of 50?

Possible Answers:

Correct answer:

Explanation:

Rewrite sixty percent as a fraction.

Multiply the fraction by the integer.

The answer is:  

Example Question #81 : How To Find The Part From The Whole With Percentage

If Jim, Mike, and Chris share an investment, what percentage does Chris have if Mike and Jim each have ?

Possible Answers:

Correct answer:

Explanation:

All parts of a whole must equal  and to find one part, you must subtract the other known parts.  

To find Chris's portion, you do .

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