Squares and Square Roots and Irrational Numbers

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

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.

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

Square roots are the opposite of ____________.

• Cube Roots

• Squaring

• Multiplication

• Absolute Value

• 10

• 20

• 14

• 16

What kind of number is this?

• rational 

• irrational 

Find the value[s] of the expression.

• 5

• 4

• -5

• No real solutions

Find the value[s] of the expression.

• No real solutions

• 14

• 13

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

• Even

• irrational

• Rational

• Odd

An imperfect square is a number whose square root is ___________.

• Even

• irrational

• Rational

• Odd