Squares and Square Roots Estimate Square Roots Simplify Square Roots

The radicand is like the “______” of a square and the simplified answer is the length of the side of the squares.

• Root

• Answer

• Volume

• Area

• 9

• -9

• 40.5

• -40.5

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.

Estimate the square root.

• Between 3 and 4 and closer to 3

• Between 2 and 3 and closer to 3

• Between 3 and 4 and closer to 4

• Between 2 and 3 and closer to 2

Select the set with all perfect squares.

• -144, 9, 50, 75, 81, 100

• 9, 50, 81, 100

• 9, 50, 75, 81, 100

• 9, 81, 100

Square roots are the opposite of ____________.

• Cube Roots

• Squaring

• Multiplication

• Absolute Value

A perfect square is when a whole number is multiplied by itself?

• FALSE

• TRUE

The area of a square is 100 cm².  What is the perimeter?

• 25 cm

• 10 cm

• 40 cm

• 50 cm

Which square root would come between 11 and 12 on a number line?

• √ 120

• √ 128

• √ 145

• √ 100