Operations on rational numbers

9/10

• Terminating

• Repeating

A decimal that continues in a pattern.

• Repeating Decimal

• Terminating Decimal

• Rational Number

• Irrational Number

Review: 1/3 =

• .3

• .33

• .333

• .3...

What is a rational number ?

• A number that cannot be written as a fraction.

• A number that can be written as a fraction (ratio)

• A number that cannot be a repeating decimal.

A terminating decimal is a decimal that ...

• ends
• smells
• repeats
• difficult

Identify the decimal expansion.
 $\frac{2}{3}$  

•  $0.6$  

•  $0.\overline{6}$  

•  $0.67$  

•  $0.\overline{67}$  

• Rational

• Irrational

Convert 0.4444... to a fraction.

Is 65.4̅2̅7̅9̅ Irrational or Rational

• Irrational

• Rational