ISEE Middle Level Math : Squares / Square Roots

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

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Example Questions

Example Question #31 : How To Find The Square Root

\(\displaystyle \sqrt{49}*\sqrt{49}=\)

Possible Answers:

\(\displaystyle 0\)

\(\displaystyle 14\)

\(\displaystyle 94\)

\(\displaystyle 49\)

Correct answer:

\(\displaystyle 49\)

Explanation:

First, find the sqaure root :

\(\displaystyle \sqrt{49}=7\)

Then solve accordingly:

\(\displaystyle 7*7=49\)

 

Example Question #32 : How To Find The Square Root

\(\displaystyle \sqrt{144}*\sqrt{4}=\)

Possible Answers:

\(\displaystyle 3\)

\(\displaystyle 16\)

\(\displaystyle 24\)

\(\displaystyle 36\)

Correct answer:

\(\displaystyle 24\)

Explanation:

FInd the square roots:

\(\displaystyle \sqrt{144}=12\)

\(\displaystyle \sqrt{4}=2\)

Then, solve:

\(\displaystyle 12*2=24\)

 

Example Question #33 : How To Find The Square Root

\(\displaystyle \sqrt{169}+\sqrt{16}=\)

Possible Answers:

\(\displaystyle 185\)

\(\displaystyle 9\)

\(\displaystyle 17\)

\(\displaystyle 153\)

Correct answer:

\(\displaystyle 17\)

Explanation:

First, find the square roots:

\(\displaystyle \sqrt{169}=13\)

\(\displaystyle \sqrt{16}=4\)

Then, solve accordingly:

\(\displaystyle 13+4=17\)

 

Example Question #34 : How To Find The Square Root

\(\displaystyle \sqrt{169}*\sqrt{16}=\)

Possible Answers:

\(\displaystyle 17\)

\(\displaystyle 184\)

\(\displaystyle 153\)

\(\displaystyle 52\)

Correct answer:

\(\displaystyle 52\)

Explanation:

First, find the square roots:

\(\displaystyle \sqrt{169}=13\)

\(\displaystyle \sqrt{16}=4\)

Then, solve:

\(\displaystyle 13*4=52\)

 

Example Question #35 : How To Find The Square Root

\(\displaystyle \sqrt{25}*\sqrt{144}=\)

Possible Answers:

\(\displaystyle 72\)

\(\displaystyle 60\)

\(\displaystyle 169\)

\(\displaystyle 17\)

Correct answer:

\(\displaystyle 60\)

Explanation:

First find the square roots:

\(\displaystyle \sqrt{25}=5\)

\(\displaystyle \sqrt{144}=12\)

Then, solve:

\(\displaystyle 5*12=60\)

 

Example Question #36 : How To Find The Square Root

\(\displaystyle \sqrt{25}+\sqrt{144}=\)

Possible Answers:

\(\displaystyle 25\)

\(\displaystyle 17\)

\(\displaystyle 60\)

\(\displaystyle 169\)

Correct answer:

\(\displaystyle 17\)

Explanation:

First find the square roots:

\(\displaystyle \sqrt{25}=5\)

\(\displaystyle \sqrt{144}=12\)

Then, solve:

\(\displaystyle 5+12=17\)

 

Example Question #37 : How To Find The Square Root

\(\displaystyle \sqrt{81}\div \sqrt{9}=\)

Possible Answers:

\(\displaystyle 18\)

\(\displaystyle 81\)

\(\displaystyle 3\)

\(\displaystyle 9\)

Correct answer:

\(\displaystyle 3\)

Explanation:

First find the square roots:

\(\displaystyle \sqrt{81}=9\)

\(\displaystyle \sqrt{9}=3\)

Then, solve:

\(\displaystyle 9\div 3=3\)

 

Example Question #38 : How To Find The Square Root

\(\displaystyle \sqrt{81}* \sqrt{9}=\)

Possible Answers:

\(\displaystyle 27\)

\(\displaystyle 72\)

\(\displaystyle 3\)

\(\displaystyle 90\)

\(\displaystyle 12\)

Correct answer:

\(\displaystyle 27\)

Explanation:

First, find the square roots:

\(\displaystyle \sqrt{81}=9\)

\(\displaystyle \sqrt{9}=3\)

Then, solve:

\(\displaystyle 9* 3=27\)

 

Example Question #39 : How To Find The Square Root

\(\displaystyle \sqrt{169}*\sqrt{49}=\)

Possible Answers:

\(\displaystyle 91\)

\(\displaystyle 6\)

\(\displaystyle 120\)

\(\displaystyle 218\)

\(\displaystyle 20\)

Correct answer:

\(\displaystyle 91\)

Explanation:

First, find the sqaure roots:

\(\displaystyle \sqrt{169}=13\)

\(\displaystyle \sqrt{49}=7\)

Then, solve:

\(\displaystyle 13*7=91\)

 

Example Question #40 : How To Find The Square Root

\(\displaystyle \sqrt{169}+\sqrt{49}=\)

Possible Answers:

\(\displaystyle 6\)

\(\displaystyle 20\)

\(\displaystyle 218\)

\(\displaystyle 120\)

\(\displaystyle 91\)

Correct answer:

\(\displaystyle 20\)

Explanation:

First, find the sqaure roots:

\(\displaystyle \sqrt{169}=13\)

\(\displaystyle \sqrt{49}=7\)

Then, solve:

\(\displaystyle 13+7=20\)

 

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