Rational vs. Irrational #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

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 ratio.
• A rational number cannot be a repeating  decimal.

Tags

CCSS.5.NBT.A.2

Which of the following is a rational number?

• π
• √8
• .56565656....
• √10

Tags

CCSS.HSN.RN.B.3

Which number is an irrational number?

• 2.5
• 5.72314.....
• -17
• 1/2

Tags

CCSS.8.NS.A.1

Which number is an irrational number?

• -15 / 7
• square root of 88
• square root of 25
• 0.3333....

Tags

CCSS.8.NS.A.1

Which of the following is rational?

• .211232112421125. . . .
• π
• √25
• √12

Tags

CCSS.HSN.RN.B.3

Is the following number rational or irrational?
.56565656...

• Rational
• Irrational

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Is the following number rational or irrational?
-.9567

• Rational
• Irrational

Tags

CCSS.HSN.RN.B.3

Is the following number rational or irrational?
-.87527974221231...

• Rational
• Irrational

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Is the following number rational or irrational?
-√40

• Rational
• Irrational

Tags

CCSS.HSN.RN.B.3