2. 0, 1, 2, 3, 4, 5...
 Whole Numbers
- start with zero

3. 1, 2, 3, 4, 5...
 Natural Numbers
or
 Counting Numbers
- start with one

4. …-3,
-2, -1, 0, 1, 2, 3…
 Integers
- include positive whole numbers,
negative whole numbers, and zero.

5. Integers
-5 -4 -3 -2 -1 0 1 2 3 4
Negative
Integers
5
Positive
Integers
Origin
The integer zero is neither positive or negative.

7. Opposite Numbers are numbers
that are the same distance from zero in
the opposite direction.
-5 -4 -3 -2 -1 0 1 2 3 4
-5 -4 -3 -2 -1 0 1
5
2 3 4 5

9. Absolute value of an integer is
the distance a number is from zero on a
number line.
|-5|
Two vertical bars around a number
Note: means the absolute value of the
number.

10. |2|
=2
-5 -4 -3 -2 -1 0 1 2
3 4
5

11. -5 -4 -3 -2 -1 0 1
2 3 4 5
-5 -4 -3 -2 -1 0 1
2 3 4 5

12. |#|
Two vertical bars
around a number
Note: means the absolute
value of the number.

13. 4
|-4| = _____
-5 -4 -3 -2 -1 0 1
2 3 4 5
3
|3| = _____
-5 -4 -3 -2 -1 0 1
2 3 4 5

14. HINT:
If you don’t see a negative
or positive sign in front of a
number it is positive.
-10 +8
9

15. • We can represent addition of integers using
red and yellow counters.
• Red tiles will represent negative
integers, and yellow tiles will represent
positive integers.
Negative
Integer
Positive
Integer

16. • If there are the same number of red tiles
as yellow tiles it is equal to zero
=0

17. Example:
-8
+
Zero Pairs
10
2
=

18. - 15
12
+
Zero Pairs
-3
=

19. Try This!
16
8
+
Zero Pairs
-8
=