Classifying Numbers

What is the definition of an integer?

• A set of whole numbers and their opposites

• Decimals or fractions that terminate for repeat
• All positive whole numbers
• 0

All of these numbers are integers: -5, 18, -19, 0, 4, 100

• True
• False

All of these numbers are integers: 1.75, 3, -7, 0.338, 5, -14.

• True
• False

Which numbers shown below are integers?
A. -7
B. -14
C. 28
D. -13.5

• -7

• -14

• -13.5

• 28.0

Select all: Integers

• 4.2

• 4

• -4.2

• 4.0

• -2

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.

True/False: Rachel states that -5.5 is an integer because it is negative.

• False

• True

Classify the number 0 into all categories that apply

• whole only

• integer and whole

• rational and whole

• Whole, integer, and rational

Choose the opposite numbers.

• 6 and -6

• 1/2 and - 1/4

• 2 and -2.0

• 0 and -0