Classifying Numbers

Is 2 a natural number?

• True

• False

Which of the following is a whole number?

• -2

• -10

• 10

• -1

Which of the following are whole numbers?

• 0

• 3

Is 40.111... an integer?

• Yes

• No

Which of the following are rational numbers?

• 64

• 15

• 7.452

Which of the following is an integer?

• 58

• 83.756

• Yes

• No

Which of the following is a rational number?

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.

Classify this number:  6.7

• real
• real      rational
• real      rational        integer
• real   rational   integer   whole