ISEE Lower Level Math : ISEE Lower Level (grades 5-6) Mathematics Achievement

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

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Example Questions

Example Question #131 : Numbers And Operations

In a barrel there are  apples. If there are  red apples for every  green apples, how many of the apples in the barrel are green?

Possible Answers:

Correct answer:

Explanation:

If there is a group of  green apples for every group of  red apples, then in every group of  apples there will be  green ones and  red ones. (). How many groups of  apples are there in a barrel containing  apples?  divided by  is , so there are  groups of  apples. In each group of  apples, there is a smaller group of  green apples, so there are  groups of  green apples each. , so there are  green apples in a barrel of  apples.

Alternatively, one could say that since there are  green apples in every group of  apples, the fraction of green apples in the barrel is . To find  of , multiply  and  together.  is , so there are  green apples in the barrel.

Example Question #132 : Numbers And Operations

Alphaline

Each of the points on the line above is the same distance from the next. If the distance between point A and point F is  inches, what is the distance between point A and point C?

Possible Answers:

 inches

 inches

 inches

 inches

 inches

Correct answer:

 inches

Explanation:

There are five segments of line between points A and F.  divided by  is , so each line segment is  inches long. There are  line segments between points A and C.  line segments  inches each  inches, so  inches is the correct answer.

Alternatively, since there are  line segments between points A and F and  line segments between points A and C, line AC is  of the total line AF. To find  of , multiply  and  , so the correct answer is  inches.

Example Question #131 : Isee Lower Level (Grades 5 6) Mathematics Achievement

There is a shipment of computer screens arriving today. If there are 1,400 screens, and 35% of them are 23 inches wide, what is the number of 23 inch-wide screens?

Possible Answers:

Correct answer:

Explanation:

There is a shipment of computer screens arriving today. If there are 1,400 screens, and 35% of them are 23 inches wide, what is the number of 23 inch-wide screens?

We need to find the portion of screens from the whole. 

First, we need to convert our percent to a decimal:

Next, multiply the total number by our new-found decimal

So our answer is 490

 

Example Question #134 : Numbers And Operations

What is  of  ?

Possible Answers:

Correct answer:

Explanation:

To find a fraction of a whole, we simply multiply the fraction by the whole number. So,

 

Therefore,  of  is .

Example Question #135 : Numbers And Operations

You and a friend buy a pizza.  The pizza has 8 slices.  You each eat  of the pizza.  How many slices do you eat?

Possible Answers:

Correct answer:

Explanation:

To solve this problem, we will find the fraction of the whole number.  We know you ate  or half of the pizza.  We know the pizza has 8 slices.  So, to find the fraction of the whole number, we will multiply the fraction by the whole number.  So,

 

Therefore, you ate  slices of pizza.

Example Question #134 : Numbers And Operations

Find  of .

Possible Answers:

Correct answer:

Explanation:

To find a fraction of a whole number, we simply multiply the fraction by the whole number. So,

 of 

 

Therefore,  of  is .

Example Question #136 : Numbers And Operations

Find  of .

Possible Answers:

Correct answer:

Explanation:

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

 

So,

 of 

will be written as

 

Now, we can solve.

 

Therefore,  of  is .

Example Question #136 : Numbers And Operations

What is a quarter of 36?

Possible Answers:

Correct answer:

Explanation:

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

 

In this case, a quarter is equal to .  So, we can write it as

 of 

which can be re-written as

 

Now, we can solve.

 

Therefore, a quarter (or ) of  is .

Example Question #137 : Numbers And Operations

What is  of ?

Possible Answers:

Correct answer:

Explanation:

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

So, 

 of 

can be written as

Now, we can solve.

 

Therefore,  of  is .

Example Question #138 : Numbers And Operations

What is  of ?

Possible Answers:

Correct answer:

Explanation:

To find a part of a whole, we will multiply the fraction by the whole number.  So,

 of 

can be written as

Now, we can solve.

 

Therefore,  of  is .

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