Square Roots and Cube Roots Lesson

What is a square number?

• Something you multiply by the 3rd power

• A shape

• A number you multiply by itself

Tags

CCSS.8.EE.A.2

What is a square root

• A number to the second power
• A square that has roots on it
• Square roots are numbers that produce a specified quantity when multiplied by itself
  

Tags

CCSS.8.EE.A.2

Square root of 16 is....

• 8
• 4
• 2
• 3

Tags

CCSS.8.EE.A.2

True or false? 9² is 18

• True
• False

Tags

CCSS.8.EE.A.2

Is 225 a perfect square?

• Yes
• No

Tags

CCSS.8.EE.A.2

The square root of 256 is...

• 15
• 18
• 13
• 16

Tags

CCSS.8.EE.A.2

-√144

• 12
• 13
• -12
• None of the above

Tags

CCSS.8.EE.A.2

the square root √-25 is..

• 5
• -5
• 8
• none of the above

The √40 is between which two integers?

• 7 & 8
• 6 & 7
• 5 & 6
• 4 & 5

Tags

CCSS.8.NS.A.2

The number 4

• Is a perfect square.

• Is not a perfect square.

Tags

CCSS.8.EE.A.2