Real Numbers

(Choose all correct answers)

24 is a(n)...

(a)   (b)   (c)  

• whole number
• integer
• rational Number
• none of these

Answer explanation

Remember, 24 is a natural number, but it is also inside whole, integer and rational. This is why it is classified as all three.

(Choose all correct answers)

-8 is a(n)...

(a)   (b)  

• whole number

• integer
• rational number
• none of these

Which best describes the following number

0.5 is a(n)...

• whole number

• integer

• rational Number

• none of these

• whole number

• integer

• rational number

• none of these

(Choose all correct answers)

ORDER IS IMPORTANT

0 is a(n)...

(a)   (b)   (c)  

• whole number
• integer
• rational number

Answer explanation

Remember, whole numbers are also inside integers and rational numbers. This is why they are also classified as all three.

(Choose all correct answers)

-300 is a(n)

(a)   (b)  

• whole number

• integer
• rational number
• none of these

Answer explanation

-300 cannot be a whole or natural number because it is NEGATIVE. Which makes it an integer which is inside rational. This is why it is classified as both.

• whole number

• integer

• rational number

• none of these

Answer explanation

Rational are fractions that CANNOT be simplified to whole numbers.

4/2 --> 2 (natural) but 1/3 --> .33 (rational)

Always check if the fraction can be reduced by using TIBO, top on the inside DIVIDED by bottom on the outside

• whole number

• integer

• rational number

• none of these

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.

A rational number...

• can be positive or negative

• can be a decimal

• can be expressed as a ratio (fractions)

• All the above