How to find the square root

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ISEE Middle Level Quantitative Reasoning › How to find the square root

Questions 1 - 10

1

$\sqrt{81} \ast \left ( 33\div 11 \right )=$

Explanation

First find the square root of $\sqrt{81}= 9$

Then solve what is inside the parentheses: $\left ( 33\div 11 \right )=3$

Solve the equation accordingly $9 \ast 3=27$

The answer is 27.

2

$\sqrt{49}*50=$

Explanation

First find the square root, then the product:

$\sqrt{49}=7$

Answer:

3

$\sqrt{121}*44=$

Explanation

First, find the square root:

$\sqrt{121}=11$

Then, solve:

4

$63\div \sqrt{81}=$

Explanation

First, find the square root:

$\sqrt{81}=9$

Then, solve:

$63\div 9=7$

5

Which of the following is equal to $\sqrt{2^{3}+ 6^{2}+10^{2}}$ ?

None of the other responses is correct.

Explanation

$\sqrt{2^{3}+ 6^{2}+10^{2}}$

$=\sqrt{8+36 +100}$

$=\sqrt{ 144}$

6

$\sqrt{900}$

Explanation

Find the square root:

$\sqrt{900}$

7

Solve:

$\sqrt{64}\div 8=$

$2\sqrt{2}$

Explanation

First, find the square root:

$\sqrt{64}=8$

Then, solve:

$8\div 8=1$

Answer:

8

$\sqrt{4} *\sqrt{25}*\sqrt{16}=$

Explanation

First find the square roots:

$\sqrt{4}=2$

$\sqrt{25}=5$

$\sqrt{16}=4$

Then, solve:

$2\cdot 5\cdot 4=40$

Answer:

9

$\sqrt{49}*\sqrt{64}=$

Explanation

First, find the square roots:

$\sqrt{49}=7$

$\sqrt{64}=8$

Then, solve:

10

$98 * \sqrt{36}=$

Explanation

First, find the square root:

$\sqrt{36}=6$

Then, solve:

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