8th Unit 1 Real Numbers and Classifying

-4 is not a whole number because:

• It's negative and integers can not be whole numbers.

• 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.

A rational number:

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

A non-terminating, non-repeating decimal is which type of number?

• Rational 
• Irrational

Which number is an irrational number?

• 2.5
• 5.72314.....
• -17
• 1/2

Classify the number by checking all that apply!

 $\frac{30}{3}$  

• Natural

• Whole

• Integer

• Rational

• Irrational

Classify the number by checking all that apply!

 $-\sqrt{9}$  

• Natural

• Whole

• Integer

• Rational

• Irrational

Rachel states that -5.5 is an integer because it is negative.

Is she correct?

Why or why not?

• Yes, because all negatives are integers.

• Yes, because all integers have decimals.

• No, because integers do not have decimals.

• No, because integers cannot be negative.

Jeremy says that 5.676677666777... is a rational number because it is a decimal that goes on forever with a pattern.

Is he correct?

Why or why not?

• Yes, because the decimal is repeating.

• No, because it is an integer.

• No, because a pattern is not a repeating decimal.

Which could be the value of D?

• -10

• 0

• $\frac{3}{4}$

• 2.5