Identifying Types of Numbers 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.

Tags

CCSS.5.NBT.A.2

What type of number is π ?

• Rational
• Irrational

Which number is irrational?

• 9.6
• √45
• 3/8
• 3.4 x 10 ⁵

Which number is a rational number ?

• 1/4
• π
• √3
• ∛25

√7

• Rational 
• Irrational

Tags

CCSS.8.NS.A.1

√25

• Rational
• Irrational

Tags

CCSS.8.NS.A.1

-17.565

• Rational
• Irrational

Tags

CCSS.7.NS.A.1D

.141414141414...

• Rational 
• Irrational 

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

The square root of 57 is ...

• rational 
• irrational 

Tags

CCSS.8.NS.A.1

Zero

• Rational, Integer
• Rational
• Rational, Integer, Whole
• Rational, Integer, Whole, Natural