Rational or Irrational

4.032

• Rational 
• Irrational

5/2

• Rational
• Irrational

√31

• Rational
• Irrational

Which number is irrational?

• 9.6
• √45
• 3/8
• 3.4 x 10 ⁵

Pi

• Rational
• Irrational

√81

• Rational
• Irrational

-13

• Rational
• Irrational

What is a rational number ?

• A rational number  is a number that cannot be written as a fraction.
• A rational number is a number that can be written as a fraction.
• A rational number cannot be a repeating  decimal.

Which statement is true? 

• The number ⅚ is irrational
• The number 0.345345345 is irrational
• The number (4π/16π) is irrational
• The number (√11)² is rational

Which number is rational below?

• √20
• √64
• 6π
• √7