Rational vs. Irrational Numbers

Which of the following numbers is rational?

• $\sqrt{7}$

• $\frac{2}{3}$

• 3.1456289...

• $\pi$

Tags

CCSS.HSN.RN.B.3

Which of the following numbers is not rational?

• $-3$

• $2.7$

• $\sqrt{4}$

• $\sqrt{5}$

Tags

CCSS.HSN.RN.B.3

A REPEATING decimal is what type of number?

• Rational 
• Irrational

Tags

CCSS.HSN.RN.B.3

 $\sqrt{200}$  

Rational or Irrational? 

• Rational 

• Irrational 

Answer explanation

NON PERFECT SQUARE ROOT 

Tags

CCSS.HSN.RN.B.3

Which of the following contains only rational numbers?

• 2.5, .764567..., 1/2, √27
• π, √4, √16, 7.7
• 6.7, 4.45, -3, 
• 5, -4.5, √13, √-9

Tags

CCSS.HSN.RN.B.3

√3+√3

• rational
• irrational

Tags

CCSS.HSN.RN.B.3

4π

• rational
• irrational

Tags

CCSS.HSN.RN.B.3

√4+√25

• rational
• irrational

Tags

CCSS.HSN.RN.B.3

1+√3

• rational
• irrational

Tags

CCSS.HSN.RN.B.3

A rational number multiplied by an irrational number will always give an answer that is irrational.

(R ⋅ I = Irrational)

• True

• False

Tags

CCSS.HSN.RN.B.3