2/28 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.

Includes integers, fractions, perfect squares and perfect cubes, terminating and repeating decimals.

• Rational Numbers

• Irrational Numbers

√25

• Rational
• Irrational

A repeating decimal is what type of number?

• Rational 
• Irrational

.141414141414...

• Rational 
• Irrational 

A fraction is which type of number?

• Rational
• Irrational

Is the following number rational or irrational?

77/3

• Rational

• Irrational

Is the following number rational or irrational?

-17.5

• Rational

• Irrational

Which number is a rational number?

• 1/4

• π

• √3

What is an irrational number ?

• An irrational number  is a number that can be written as a fraction.

• An irrational number is a number that cannot be written as a fraction.

• An irrational number can be a repeating decimal.