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 #481 : Numbers And Operations

Find the decimal equivalent to , rounding to the nearest hundredth.

 

Possible Answers:

Correct answer:

Explanation:

To find the decimal equivalent of a fraction, divide the numerator by the denominator:

 repeating

Round to:

Example Question #82 : How To Find The Decimal Equivalent Of A Fraction

What is the decimal of ?

Possible Answers:

Correct answer:

Explanation:

The first step to turn a fraction to a decimal is to change the denominator to .  

 

so you must the same operation to the numerator to get 

.  

Then take a decimal and place it in front of the numerator and your answer is .

Example Question #481 : Isee Lower Level (Grades 5 6) Mathematics Achievement

Write as a decimal:

Possible Answers:

Correct answer:

Explanation:

To turn a fraction into a decimal, divide the numerator by the denominator.

Example Question #84 : How To Find The Decimal Equivalent Of A Fraction

What is the decimal equivalent of ?

Possible Answers:

Correct answer:

Explanation:

To change a fraction to a decimal, you must make the denominator  and do the same operation to the numerator.  

 

(You can find that value by dividing  by the denominator) so you must multiple the numerator by the same giving us .  

You move the decimal in the numerator over two spaces to the left to get your decimal of .

Example Question #85 : How To Find The Decimal Equivalent Of A Fraction

Write  as a fraction.

Possible Answers:

Correct answer:

Explanation:

First we rewrite  as a fraction. Since  is in the tenths place, we can write it over  

 

Reduce the fraction:

Example Question #482 : Isee Lower Level (Grades 5 6) Mathematics Achievement

In order to make Lilly's Lemonade, for every 16 oz of water, 6 tablespoons of lemon juice is needed. If you want to use 8 oz of water, how much lemon juice would you need?

Possible Answers:

8 tablespoons

14 tablespoons

3 tablespoons

12 tablespoons

4 tablespoons

Correct answer:

3 tablespoons

Explanation:

In order to solve this problem, we must set up a ratio.

For every 16 oz of water, we need 6 tablespoons of lemon juice.

The ratio that we get is

16 : 6.

If we want to use only 8 oz of water, we need to find out how much lemon juice is needed.

The amount of lemon juice we need, x, is currently unknown.

Our new ratio is

8 : x.

Looking at the first number in the two ratios, dividing 16 by 8 will get us

16 ÷ 8 = 2.

Let's divide the second number in our first ratio by 2 to solve for x.

So,

6 ÷ 2 = 3.

We need 3 tablespoons of lemon juice for 8 oz of water. 

Example Question #483 : Isee Lower Level (Grades 5 6) Mathematics Achievement

Find the ratio

If there are 3 frogs at a pond and 12 toads, what is the ratio of frogs to toads at the pond?

Possible Answers:

Correct answer:

Explanation:

Since there are 3 frogs and 12 toads, reduce  by 3 to get .

Example Question #484 : Isee Lower Level (Grades 5 6) Mathematics Achievement

Janie has a bag full of red, blue, orange, white, and green marbles. There are 5 of each color marble in the bag. 

Given the above conditions, what is the probability Janie will pull a red marble from the bag?

Possible Answers:

Correct answer:

Explanation:

Since there are 5 of each color, there are 25 total marbles in the bag. The probability of picking a red is  

Example Question #485 : Isee Lower Level (Grades 5 6) Mathematics Achievement

Ella has 6 cats and 36 dogs. What is the ratio of dogs to cats in Ella's house?

Possible Answers:

Correct answer:

Explanation:

There are 36 dogs and 6 cats, leaving a dog to cat ratio of

Reduced, the answer is 

.

Example Question #5 : How To Find A Ratio

Sharon has 80 marbles, 60 of which are blue and 20 of which are white. Write the ratio of blue marbles to white marbles in simplest form.

Possible Answers:

Correct answer:

Explanation:

The ratio of blue marbles to white marbles is , but this is not in simplest form. Rewrite this as a fraction for simplicity, then divide both numbers by :

In simplest form, the ratio is 

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