Real Numbers

Which of the following is rational?

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

Tags

CCSS.6.NS.C.6

Which represents a rational number?

• √110
• √324
• √65
• √80

Tags

CCSS.6.NS.C.6

CCSS.6.NS.C.7

• 2/3
• -2/3
• 3/5
• -3/5

Tags

CCSS.6.NS.A.1

CCSS.6.NS.C.5

• Rational, Integer
• Whole, Integer, Rational 
• Irrational, Integer
• Irrational

Tags

CCSS.6.NS.C.6

CCSS.6.NS.C.7

-4 is not a whole number because:

• It's negative and whole numbers are positive.
• it's irrational.
• it cannot be turned into a fraction.
• it is even.

Tags

CCSS.6.NS.C.5

An irrational number:

• goes on forever and does not repeat.
• can't be turned into a fraction.
• includes pi and √2
• All of the above.

Tags

CCSS.8.EE.A.2

CCSS.8.NS.A.1

A rational number:

• can be turned into a fraction.
• is only positive.
• can't have a decimal.
• is not a real number.

Tags

CCSS.6.NS.C.6

CCSS.6.NS.C.7

Which number is an irrational number?

• 2.5
• 5.72314.....
• -17
• 1/2

Tags

CCSS.8.NS.A.1

Which word does NOT describe 5?

• Whole
• Integer
• Rational
• Irrational

Tags

CCSS.8.NS.A.1

Which of the following statements is always true?

• All integers are whole numbers
• all rational numbers are integers
• some whole numbers are not rational numbers
• all whole numbers are integers