Classifying Real Numbers DC#1

-4 is not a whole number because:

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

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.

8 belongs to which of the categories?

• Whole Number
• Integer
• Rational
• All of the above

Which of the following is irrational

• Square root of 81
• Square root of 9
• Square root of 144
• Square root of 12

An integer is also...

• Whole
• Rational
• Irrational
• Not real

Tags

CCSS.8.NS.A.1

An example of an integer is...

• 9.1
• 8/9
• -9
• -2.3

If a number contains decimal places, then it is an irrational number.

• Always
• Sometimes
• Never

If a number is a Whole number, then it is a Natural (counting) number.

• Always
• Sometimes
• Never

If a number contains decimal places, then it is an Integer.

• Always
• Sometimes
• Never

If a number is a Whole number, then it is a Real number.

• Always
• Sometimes
• Never