Number Classification

Where would you place -6?

• In the whole number circle because it's a whole number, integer, and rational number.

• In the integer circle because it's an integer and rational number only.

• In the rational circle because it's only a rational number.

• I'm not sure because I don't know what rational means.

Does the graphic organizer correctly group the numbers?

• Yes

• No

Explain the error

• -1.2 isn't an integer.

• -2 isn't a whole number and 3.4 isn't a rational number.

• -2 isn't a whole number and -1.2 isn't an integer.

• The numbers are graphed correctly.

Does this graphic organizer correctly group the numbers?

• Yes

• No

True or False: Every natural number (aka counting number) is an integer.

• True

• False

Place each subset in the appropriate box on the diagram.

a

b

c

d

e

irrational

natural

whole

integer

rational

• A

• B

• C

• D

• E

Which of the following is NOT a rational number?

• -5.43816

• ⅘

• 2.11121314...

• 17

• A

• B

• C

• D

• F

• G

• H

• J