# ISEE Middle Level Math : Numbers and Operations

## Example Questions

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### Example Question #259 : Percentage

Find  of .

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 #260 : Percentage

What is  of  ?

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 #931 : Numbers And Operations

What is 35% of 200 ?

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 #932 : Numbers And Operations

What is 75% of 300?

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 #933 : Numbers And Operations

What is 90% of 310?

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 #934 : Numbers And Operations

What is sixty percent of 50?

Explanation:

Rewrite sixty percent as a fraction.

Multiply the fraction by the integer.

### Example Question #935 : Numbers And Operations

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

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 .

### Example Question #16 : Use Proportional Relationships To Solve Multistep Ratio And Percent Problems: Ccss.Math.Content.7.Rp.A.3

What is the sale price of a television if it is on sale for % off the original price of