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.

What type of number is π ?

• Rational
• Irrational

Tags

CCSS.8.NS.A.1

Which statement is true? 

• The number ⅚ is irrational
• The number 0.345345345 is irrational
• The number (4π/16π) is irrational
• The number (√11)² is rational

Tags

CCSS.8.NS.A.1

Which number is rational below?

• √20
• √64
• 6π
• √7

Which of the following is irrational?

• 0.444444444

• -4/5

• π

• 0.2

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

√4

• irrational
• rational

4π

• rational
• irrational

√7

• Rational 
• Irrational
• real
• fake

-17.5

• Rational
• Irrational
• real
• fake