SSAT Upper Level Math : SSAT Upper Level Quantitative (Math)

Study concepts, example questions & explanations for SSAT Upper Level Math

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Example Questions

Example Question #1 : Rational Numbers

In a class of  students, the ratio of freshmen to sophomores to juniors is . How many juniors are in the class?

Possible Answers:

Correct answer:

Explanation:

Let  be the number of freshmen,  be the number of sophomores, and  be the number of juniors.

Now, since we have  students,

Since we want to find the number of juniors, we need to find the value of .

Example Question #2 : Rational Numbers

In a zoo with  animals, the ratio of mammals to reptiles to birds is . How many birds does the zoo have?

Possible Answers:

Correct answer:

Explanation:

Let  be the number of mammals, be the number of reptiles, and  be the number of birds.

Since the zoo has  animals,

Because we want the number of birds, we need to find the value of .

Example Question #3 : Rational Numbers

In a high school of  students, the ratio of freshmen to sophomores to juniors to seniors is . How many juniors does this high school have?

Possible Answers:

Correct answer:

Explanation:

Let  be the number of freshmen,  be the number of sophomores,  be the number of juniors, and  be the number of seniors.

Because the high school has  students,

Since we want to find out how many juniors there are, we need the value of .

Example Question #4 : Rational Numbers

In a high school, the ratio of freshmen to seniors is . If there are  seniors, how many freshmen are there?

Possible Answers:

Correct answer:

Explanation:

Set up the following proportion, with  being the number of freshmen.

Now, cross-multiply and solve for .

Example Question #5 : Rational Numbers

On a beach, the ratio of crabs to seagulls is . If there are  crabs and seagulls on the beach, how many crabs are there?

Possible Answers:

Correct answer:

Explanation:

Let  be the number of crabs and  be the number of seagulls.

Since there are  crabs and seagulls on the beach,

Because the question asks for the number of crabs, we need to find the value of .

Example Question #1 : Decide If Two Quantiies Are In A Proportional Relationship: Ccss.Math.Content.7.Rp.A.2a

There are  boys and  girls at a playground. What is the ratio of boys to girls?

Possible Answers:

Correct answer:

Explanation:

Write the numbers of boys and girls as a fraction, then simplify.

 can also be written as 

Example Question #7 : Rational Numbers

At a high school, there are  freshmen,  sophomores,  juniors, and  seniors. What is the ratio of seniors to freshmen?

Possible Answers:

 to 

 to 

 to 

 to 

Correct answer:

 to 

Explanation:

Write the number of seniors and numbers of freshmen as a fraction:

That fraction is equivalent to .

Example Question #8 : Rational Numbers

The angles in a triangle are in the ratio . What is the angle measurement of the largest angle?

Possible Answers:

Correct answer:

Explanation:

Let  be the values of the angles.

Since all the angles in a triangle need to add up to ,

Because we want the value of the largest angle, we need to find the value of .

Example Question #2 : Decide If Two Quantiies Are In A Proportional Relationship: Ccss.Math.Content.7.Rp.A.2a

The angles in a triangle have a ratio of . What is the measurement of the smallest angle?

Possible Answers:

Correct answer:

Explanation:

Let  be the values of the angles.

Since there are  degrees in a triangle,

Since we want the value of the smallest angle, find the value of .

Example Question #71 : Number Concepts And Operations

In a factory, there are  glass bottles. If the ratio of red bottles to blue bottles is , how many more blue bottles than red bottles are there?

Possible Answers:

Correct answer:

Explanation:

First, find the number of red bottles and blue bottles.

Let  be the number of red bottles and  be the number of blue bottles. Since there is a total of  bottles at the factory,

There are  red bottles. Find the value of  to find the number of blue bottles.

Now, because the question wants to find how many more blue bottles than red bottles there are, subtract the number of red bottles from the number of blue bottles.

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