1.3 Estimating Square Roots

Is the √36 a perfect square?

• Yes

• No

Is the √55 a perfect square?

• Yes

• No

Is the √256 a perfect square?

• Yes

• No

Is the √169 a perfect square?

• Yes

• No

Simplify the expression. 

No calculators allowed. 

 $\sqrt{144}$  

• 14

• 11

• 12

• 72

Simplify the expression. 

No calculators allowed. 

 $\sqrt{400}$  

• 20

• 200

• 40

• 23

Simplify the expression. 

No calculators allowed. 

 $\sqrt{256}$  

• 14

• 15

• 16

• 17

Simplify the expression. 

No calculators allowed. 

 $\sqrt{\frac{36}{225}}$  

• 0.16

• 6/15

• 2/5

• 3/15

Simplify the expression. 

No calculators allowed. 

 $\sqrt{\frac{289}{9}}$  

• 3/18

• 16/3

• 3/17

• 17/3

Simplify the expression. 

No calculators allowed. 

 $\sqrt{0.81}$  

• 9

• 0.9

• 0.09