Rational and Irrational Numbers

Is 3.74 a rational number?

• yes
• no

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Is -5/8 a rational number?

• yes
• no

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

A REPEATING decimal is what type of number?

• Rational 
• Irrational

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

The square root of 2 is an irrational number because...

• All square roots are irrational
• The answer is a decimal that never stops
• Two is an even number
• The answer is 1

Tags

CCSS.8.NS.A.1

Pi

• Rational
• Irrational

Tags

CCSS.8.NS.A.1

Irrational numbers...

• reduce to π

• never end and never repeat

• can sometimes be perfect squares

• must be negative

Tags

CCSS.8.NS.A.1

-17.5

• Rational 
• Irrational

Tags

CCSS.8.NS.A.1

4.032

• Rational 
• Irrational

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Which of the following numbers is irrational?

• √8
• ¾
• 2
• -1.325

Tags

CCSS.8.NS.A.1

• Rational

• Irrational

Tags

CCSS.8.NS.A.1