Aproximate Square Roots

If I know the area of a square, how do I find the side length?

• I square the area.
• I divide the area by 2.
• I take the square root of the area.
• I divide the area by 4.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Which number is the closest approximation to the value of √50?

• 5
• 10
• 25
• 7

Tags

CCSS.8.NS.A.2

Evaluate √72. Round your answer to the nearest Whole Number. 

• 7.2
• 7
• 8
• 9

Tags

CCSS.6.NS.C.6

A perfect square is a number whose square root is ___________.

• Even
• irrational
• Rational
• Odd

Tags

CCSS.8.EE.A.2

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.7.EE.B.3

How can 13² be written as a square root?

• √15
• √26
• √169
• √196

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.4

Solve b²=36.

• b = 6
• b = 18
• b = 6 and -6
• b = 18 and -18

Tags

CCSS.6.EE.A.1

Determine if it is a rational or irrational number:
√20

• Rational
• Irrational

Tags

CCSS.8.NS.A.1

Point B could represent which of the following numbers?

• √24
• √30
• √35
• √42

Tags

CCSS.8.NS.A.2

What numbers replace the question marks?  (click to see the problem)

• 65 and 75
• 9 and 10
• 10 and 11
• 11 and 12

Tags

CCSS.8.NS.A.2