PreAP Review

What would the best name for the set of numbers shown below be?  
 -9, 6, 0, -14, 120, -304, 6

• Rational Numbers
• Irrational Numbers
• Integers
• Whole Numbers

State the most specific set that the numbers below would belong to.  
π   

• Rational Numbers
• Irrational Numbers
• Integers
• Whole Numbers

Which of the following statements below is true?

I.  All natural numbers are whole numbers.
II.  All real numbers are either rational or  irrational.
III.  All negative numbers are integers

• I & II
• I Only
• II Only
• I, II, & III

Which number is a rational number and an integer

• 1/2
• 2
• 3/4
• -5/6

A number is an integer AND a counting number

• Always- These two categories always overlap
• Sometimes- The number 6 would be an example and the number -12 would be a counterexample
• Never- Counting numbers are positive and integers are negative

A rational number is an integer

• Always- This includes fractions
• Sometimes- -4 would be an example and 1/4 would be a counterexample
• Never- integers are irrational numbers

An integer is a counting number

• Always- 5 is an integer and also a counting number
• Sometimes- An example would be 5 and a counterexample would be -5
• Never- Integers are negative and counting numbers are not

A counting number is a whole number

• Always- All counting numbers must also be whole
• Sometimes- 0 is a whole number but is not a counting number
• Never- Counting numbers are negative and whole numbers are not

The √40 is between which two integers?

• 7 & 8
• 6 & 7
• 5 & 6
• 4 & 5

5.5 is closest to which of the square roots listed below?

• √11
• √20
• √30
• √40