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 #661 : Numbers And Operations

Find the mean in this set of numbers:

Possible Answers:

Correct answer:

Explanation:

To solve , first add all the numbers in the set:

Then divide by the amount of numbers in the set:

Answer: The mean is

Example Question #662 : Numbers And Operations

Solve using the distributive property:

Possible Answers:

Correct answer:

Explanation:

To solve, first multiply each number in parenthesis by 7:

Then, solve the equation:

Answer:

Example Question #663 : Numbers And Operations

Solve using the distributive property:

Possible Answers:

Correct answer:

Explanation:

To solve: first multiply the number outside the brackets. 

Then multiply:

Then add the products:

Example Question #664 : Numbers And Operations

Solve using the distributive property:

Possible Answers:

Correct answer:

Explanation:

To solve, first multiply:

Then, multiply:

Finally, add the products:

Example Question #665 : Numbers And Operations

Solve using the distributive property:

Possible Answers:

Correct answer:

Explanation:

To solve, multiply each number in parenthesis by 20:

Then, solve the equation:

Example Question #666 : Numbers And Operations

Solve using the distributive property:

Possible Answers:

Correct answer:

Explanation:

To solve, multiply each number inside the parentheses by 18:

Then solve:

Answer:

Example Question #667 : Numbers And Operations

Solve using the distributive property:

 

Possible Answers:

Correct answer:

Explanation:

To solve, multiply each number inside the parentheses by 60:

Then, solve:

Answer:

Example Question #668 : Numbers And Operations

Which of the following is equivalent to this expression?

Possible Answers:

Correct answer:

Explanation:

Example Question #103 : Distributive Property

Which of the following is equivalent to this expression?

Possible Answers:

Correct answer:

Explanation:

Using the distributive property:

Example Question #104 : Distributive Property

Which of the following is equivalent to this expression?

Possible Answers:

Correct answer:

Explanation:

To find an equivalent expression first distribute the terms outside of the parentheses to each term within the parentheses.

After distributing the terms and performing the multiplication, combine the like terms.

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