Square Roots and Decimals

What is 0.09 as a fraction?

• 9/10

• 9/100

• 99/100

• 1/9

What is the square root of 0.09?

• 0.3

• 3

• 0.03

• 81

The root of a decimal/fraction square number is always ________________ than the square itself

• larger

• smaller

Multiplying fractions will always give you a __________________ product than the fractions you start with

• smaller

• larger

What is the square root of 50/8?

• 25/4

• 8/50

• 10/4

• 5/2

What is the square root of 144/25?

• 12

• 5

• 12/5

• 5/12

0.49 is a product of which two equal factors?

• 7 x 7

• 49 x 1

• 0.49 x 1

• 0.7 x 0.7

Which decimal is a perfect square? (Hint: Turn them into fractions and then ask yourself, are both numerator and denominator perfect squares? )

• 0.36

• 0.144

• 22.5

• 0.4

For a fraction to be a perfect square, both numerator and denominator have to be perfect squares.

• True

• False

Before estimating a square root of a fraction, what strategy should you use to ensure that your fraction is not perfect

• Nothing

• Simplify it!

• Multiply it by 10

• Flip it