Rational and Irrational numbers

Irrational and Rational Numbers

rational numbers

Rational numbers can be written as a/b (where a and b are integers and b is not zero). When written as decimals, rational numbers terminate or repeat.

Irrational Numbers

Irrational numbers cannot be written as a/b (where a and b are integers and b is not zero). When written as decimals, irrational numbers do not terminate or repeat.

Multiple Choice

A repeating decimal is what type of number?

• Rational 
• Irrational

Multiple Choice

A never ending decimal is which type of number?

• Rational 
• Irrational

Multiple Choice

Which number is an irrational number?

• 2.5
• 5.72314.....
• -17
• 1/2

Multiple Choice

Which of the following numbers is irrational?

• √8
• ¾
• 2
• -1.325

Multiple Choice

Which of the following is rational?

• .211232112421125. . . .
• π
• √25
• √12

Multiple Choice

Which of the following numbers is rational?

• √8
• √16
• √50
• √75

Multiple Choice

A fraction is which type of number?

• Rational
• Irrational