Math 8 - Review #1 Real Numbers

To which real number set do the following real numbers belong?

• Irrational Numbers

• Natural Numbers

• Rational Numbers

• Integers

We know that π (Pi) is approximately equal to 3.141592654... To which subset of the real numbers does π belong?

• Irrational Numbers

• Rational Numbers

• Integers

• Natural Numbers

Which integer is a perfect square?

• 169

• 24

• 10

• 212

0 is a Natural Number.

• True

• False

Which statement is correct?

• All integers are rational numbers.

• All irrational numbers are whole numbers

• A real number must be a rational number.

• A repeating decimal is an irrational number.

Where would you place the number -9 on the diagram?

• Integers
• Whole 
• Natural 
• Rational

Which set is in descending order?

• 15%  .45  9/10
• .45  15%  9/10
• 9/10  15%  .45
• 9/10  .45  15%

Choose <, >, or = to create a true statement.  

 $\frac{18}{24}$  ____  55%

• < 

• >

• =

Which of the following can be classified as a whole number?

• -3.5

• $\frac{5}{4}$

• 245

• 0.66

What set of numbers describes the following number?

 $-4$  

• Integer

• Natural

• Whole