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 #21 : How To Multiply Fractions

Possible Answers:

Correct answer:

Explanation:

To multiply fractions, you must multiple the numerators and denominators.  

So 

 

and 

.  

Your final answer is .

Example Question #213 : Fractions

Solve for 

Possible Answers:

Correct answer:

Explanation:

To multiply fractions, you multiply the numerators

 

and multiply the denominators

 

to get,

 .  

They each have a common factor of  so it reduces down to  by dividing each.

Example Question #22 : How To Multiply Fractions

Multiply the following:

Possible Answers:

Correct answer:

Explanation:

When multiplying fractions, we will first multiply the numerators, then we will multiply the denominators.

So, given the fractions

when multiplying, we will get

Example Question #1251 : Isee Middle Level (Grades 7 8) Mathematics Achievement

Simplify the following expression:

 

Possible Answers:

Correct answer:

Explanation:

Simplify the following expression:

To multiply fractions, simply multiply across the top and bottom:

Now, we cannot simplify our answer, so our answer remains:

Example Question #22 : How To Multiply Fractions

Simplify the following:

Possible Answers:

Correct answer:

Explanation:

When we multiply fractions, we first multiply the numerators, then we multiply the denominators.  We do not need to find common denominators when multiplying.  So in

we will multiply.  We get

Example Question #31 : How To Multiply Fractions

Simplify the following:

Possible Answers:

Correct answer:

Explanation:

To multiply fractions, we will multiply the numerators together, then we will multiply the denominators together.  When multiplying, we do NOT need the denominators to be the same. So,

We will multiply straight across.  We get

This can be simplified to

Example Question #31 : How To Multiply Fractions

Multiply the following:

Possible Answers:

Correct answer:

Explanation:

When multiplying fractions, we will multiply the numerators together, then multiply the denominators together.  We do NOT have to find a common denominator.  So,

Example Question #219 : Fractions

Para

The above parallelogram, which has been divided into triangles of equal area, has a total area of 120. What is the area of the shaded region?

Possible Answers:

Correct answer:

Explanation:

18 of 24 triangles have been shaded in; this is  of the parallelogram. Since the area of the entire parallelogram is 120, the area of the shaded region is  of 120, or

.

Example Question #220 : Fractions

Hexagon

The above hexagon, which is divided into triangles of equal size, has area 96. What is the area of the shaded region?

Possible Answers:

Correct answer:

Explanation:

7 of the 12 triangles -  of the hexagon - is shaded in. Therefore, the area of the shaded region is  of 96. or

.

Example Question #31 : How To Multiply Fractions

Multiply the following:

Possible Answers:

Correct answer:

Explanation:

When multiplying fractions, we will first multiply the numerators together, then we will multiply the denominators together.  Note that we do NOT need to find a common denominator.

Given the fractions

we will multiply straight across.  We get

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