All ISEE Lower Level Quantitative Resources
Example Questions
Example Question #11 : Numbers And Operations
Which of the following is not a factor of 36?
A factor is a number that can be evenly divided into another number. Given that 36 divided by 8 is equal to 4, remainder 4, 8 is not a factor of 36.
Example Question #12 : Numbers And Operations
Which of the following is a factor of 64?
A factor of a number is one that can be evenly divided into it. Given that 64 divided by 32 is 2, 32 is a factor of 64.
Example Question #13 : Numbers And Operations
Which of the following is both a factor of 6 and 12?
A factor of a number is one that evenly divides into it.
Given that 6 divided by 6 is 1, and that 12 divided by 6 is 2, 6 is the number that is a factor of both 6 and 12.
Example Question #14 : Numbers And Operations
What are the prime factors of 12?
The factors of the number 12 are .
Of these numbers, 2 and 3 are prime. Therefore, 2 and 3 are the prime factors of 12.
Example Question #15 : Numbers And Operations
What is the value of x?
When a negative number is divided by another negative number, the result will be positive.
Given that , it follows that .
Therefore, 9 is the correct answer.
Example Question #16 : Numbers And Operations
Larry, who is fifty-one years old, is three times as old as his daughter, Judy. Judy is two years older than Larry's son Craig. How old is Craig?
If Larry's age of 51 is three times that of Judy, divide Larry's age by 3 to get Judy's age of . Craig is two years younger, or
Example Question #17 : How To Divide
All of the following can be equal to h in order to solve the equation below EXCEPT for which?
Given that , it follows that h is equal to 3 because:
The only value of the answer choices that does not equal 3 is , which is equal to 5.
Therefore, is the correct answer.
Example Question #17 : Numbers And Operations
If a board that is 1.5 feet long is cut into 4 equal pieces, how long is each piece in inches?
The first step is to convert 1.5 feet into inches. Given that there are 12 inches in a foot, there are 18 inches in 1.5 feet because .
The next step is to divide 18 by 4.
Therefore, each board is 4.5 inches long.
Example Question #18 : Numbers And Operations
If it takes Jeff an hour and a half to make a round trip from his house to the airport, then how long should it take him to drive one-way from the airport to his house, in minutes?
If it takes Jeff an hour and a half to make a round trip from his house to the airport, then it should take him half the time to drive one-way from the airport to his house.
An hour and a half is equal to 90 minutes. .
Therefore, 45 is the correct answer.
Example Question #19 : Numbers And Operations
Angela is making a recipe that makes 12 muffins and calls for cup of butter. How much butter do 6 muffins contain?
cup
cup
cup
cup
If Angela uses cup of butter for 12 muffins, then 6 muffins contain half the butter of the entire recipe.
Therefore, the butter in 6 muffins is .
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