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 #641 : Numbers And Operations

Possible Answers:

Correct answer:

Explanation:
First add the numbers in parentheses, then find the product:
 

Answer: 

Example Question #642 : Numbers And Operations

Possible Answers:

Correct answer:

Explanation:
You must remember the Order of Operations (PEMDAS): Parentheses Exponents Multiplication Division Addition Subtraction
 

Answer: 

 

 

Example Question #643 : Numbers And Operations

Possible Answers:

Correct answer:

Explanation:
If you remember the Order of Operations (PEMDAS), this problem can be solved quickly.
 
PEMDAS stands for Parentheses Exponents Multiplication Division Addition Subtraction:
 

Answer: 

Example Question #644 : Numbers And Operations

Solve using the distributive property:

Possible Answers:

Correct answer:

Explanation:

First multiply 3 by each number in parentheses:

Then solve equation:

Answer:

Example Question #645 : Numbers And Operations

Solve:

Possible Answers:

Correct answer:

Explanation:

First solve the square root:

Then multiply:

Answer: 

Example Question #646 : Numbers And Operations

Solve using the distributive property:

Possible Answers:

Correct answer:

Explanation:

First, multiply each number in parentheses by 7:

Then, add them together: 

Answer: 

Example Question #82 : How To Find The Distributive Property

Nelson is twenty-one years older than his daughter Suzanne, who is twice as old as his son Quinn. If  is Nelson's age, how old is Quinn?

Possible Answers:

Correct answer:

Explanation:

Suzanne's age is 21 years less than Nelson's age of ; this is . Quinn's age is half Suzanne's age of , making him  . Using distribution, this can be rewritten as 

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Example Question #647 : Numbers And Operations

Possible Answers:

Correct answer:

Explanation:

First complete the addition, and then complete the multiplication:

Answer:

Example Question #648 : Numbers And Operations

Possible Answers:

Correct answer:

Explanation:
First add the two numbers inside the parentheses, and then find the product:
 

Answer: 

Example Question #649 : Numbers And Operations

Possible Answers:

Correct answer:

Explanation:

First add the terms inside of the parentheses; then perform the multiplication:

Answer:

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