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

Tags

CCSS.8.NS.A.1

Which number is irrational?

• 9.6
• √45
• 3/8
• 3.4 x 10 ⁵

Tags

CCSS.8.EE.A.2

CCSS.8.NS.A.1

Which number is a rational number ?

• 1/4
• π
• √3
• ∛25

Tags

CCSS.8.NS.A.1

-17.565

• Rational
• Irrational

Tags

CCSS.8.NS.A.1

Approximate the following irrational number to the nearest hundredth without using a calculator.
The square root of 32

• 5.33
• 4.5
• 8
• 5.66

Tags

CCSS.8.NS.A.2

169

• Is a perfect square.
• Is not a perfect square.

Tags

CCSS.8.EE.A.2

In between what two integers is the square root of 77?

• 5 and 6
• 6 and 7
• 7 and 8
• 8 and 9

Tags

CCSS.8.NS.A.2

A repeating decimal is what type of number?

• Rational 
• Irrational

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

A perfect square is which type of number?

• Rational 
• Irrational

Tags

CCSS.8.NS.A.1