Pythagoras and Square Roots

Identify the letter that best estimates the following square root on the following number line.

√156

• d

• b

• c

• e

Tags

CCSS.8.NS.A.2

What is the hypotenuse if two sides are 6 and 8?

• 10

• 12

• 13

• not enough information

Tags

CCSS.8.G.B.7

The area of a square is 117 square meters. Which best represents the length of a side of the square? 

• 10.8 m

• 11 m

• 10 m

• 11.2 m

Tags

CCSS.8.NS.A.2

• A
• B
• C
• D

Simplify:
 √40

• 4√10

• 10√4

• 2√10

• 10√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

Mr. Cleaves wrote four irrational numbers on the SMART board and asked Saul to choose the number closest to 4. Which irrational number should Saul choose?

• √8

• √17

• √12

• √10

Tags

CCSS.8.NS.A.2

Do the segment lengths 9, 12, and 15 form a right triangle?

• Yes

• No

• Maybe

• Pythagoras

Tags

CCSS.8.G.B.8

Which is a Pythagorean Triple?

• 4,4,8

• 6,8,10

• 1,2,3

• 10,15,25

Tags

CCSS.8.G.B.8

Which statement is NOT true?

• √169 = 13

• 15² = 225

• 4² = √16

• √164 = 18