3. Number Sets
Counting Numbers/Natural Numbers: numbers we say
◦{1, 2, 3, 4, 5, …}
Whole Numbers: The counting numbers and zero
◦{0, 1, 2, 3, 4, …}
Integers: The whole numbers and their opposites
◦{…, -2, -1, 0, 1, 2…}
6. Examples
Ex. 1: Arrange these integers
in order from least to
greatest: -2, 2, 0, 1
Ex. 2: Compare
◦-4 -3
◦ 2 −2
Ex. 3 Graph the numbers in
this sequence on a number
line. {…, -4, -2, 0, 2, 4…}
Ex. 4 Graph two numbers
that are 5 units from zero.