ISEE Middle Level Math : How to find the square root

Study concepts, example questions & explanations for ISEE Middle Level Math

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Example Questions

Example Question #291 : How To Find The Square Root

Possible Answers:

Correct answer:

Explanation:

First find the square root of 144; which is 12.  Then multiply:

Then find the square root of 64, which is 8. Then multiply:

Then add those two numbers together:

The answer is 

Example Question #291 : How To Find The Square Root

Simplify the following:

Possible Answers:

Correct answer:

Explanation:

To simplify , we will look at the definition of square roots.

 

We know the square root of a number is the same as taking that number and squaring it.  

So, what number do we square to get 64?  

 

The answer is 8. 

Example Question #293 : Squares / Square Roots

Possible Answers:

Correct answer:

Explanation:

Because 

Example Question #291 : Isee Middle Level (Grades 7 8) Mathematics Achievement

Solve:

Possible Answers:

Correct answer:

Explanation:

Take the square root of each side

Reduce to simplest form

Example Question #291 : How To Find The Square Root

Estimate   to the nearest whole number.

Possible Answers:

Correct answer:

Explanation:

The first perfect square less than 82 is 81.

The first perfect square greater than 82 is 100.

 is between  and 

Since  is closer to  than to  the best whole number estimate for

 is 

Example Question #291 : Squares / Square Roots

Estimate to the nearest whole number.

Possible Answers:

Correct answer:

Explanation:

The first perfect square less than  is .

The first perfect square greater than  is 

Therefore the  lies between  and 

Because 14.3 is closer to 16, the best whole number estimate for   is 

 

Example Question #297 : Squares / Square Roots

Solve by finding the square root:

Possible Answers:

Correct answer:

Explanation:

First, find the square root:

Then, solve:

Answer:

Example Question #294 : How To Find The Square Root

Solve by finding the square roots:

Possible Answers:

Correct answer:

Explanation:

First, the square roots:

Then solve:

Answer: 

Example Question #299 : Squares / Square Roots

Solve:

Possible Answers:

Correct answer:

Explanation:

To solve, first find the square root:

Then, solve:

Answer:

Example Question #300 : Squares / Square Roots

Solve:

Possible Answers:

Correct answer:

Explanation:

To solve, first find the square root:

Then, solve:

Answer:

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