Real Numbers Review

The number 100 is a perfect square.

• True
• False

What is true about irrational numbers?

• They are terminating decimals.
• They are non-repeating decimals.
• They are fractions.
• They are natural numbers.

Classify the following number:
1.01011011101111....

• Rational
• Irrational

Classify the following:
0.478123123123123123....

• Rational
• Irrational

Which statement is NOT true?

• 0.121212… is a rational number.
• 0.34353637 is an irrational number.
• 8.14 is a rational number.
• 5.12345… is an irrational number.

Change to a fraction:
0.37

• 37/100
• 37/10
• 37/1000
• 37

Change to a fraction:
0.18

• 18/50
• 9/50
• 17/50
• 18

Change 8/25 to a decimal.

• .4

• 3.125

• .42

• .32

Answer explanation

The line in a fraction that separates the numerator and denominator can be rewritten using the division symbol.

So, to convert a fraction to a decimal, divide the numerator by the denominator. This will give us our answer as a decimal.

• 7/50
• 14/9
• 7/45
• 14/99