This document defines and provides examples of integers. It explains that integers are whole numbers that can be positive or negative. Negative integers are closer to zero and have a minus sign. Positive integers are numbers we use normally without signs. Number lines are used to visualize integer operations like addition, subtraction, multiplication and division. The key rules for these operations with integers are explained, such as two negatives multiplying to a positive. Examples are provided to illustrate applying the rules.

2. Integers

3. Integers
By: Sophia L

5. What Are They?

6. What Are They?
• They are numbers that are below 0
(-4)
• Or just a normal positive number (4)
• They are whole numbers not
fractions

8. Negative Integers

9. Negative Integers
• The ones closer to zero are
bigger
• They all have a - sign next to

10. Negative Integers
• The ones closer to zero are
bigger
• They all have a - sign next to

11. Negative Integers
• The ones closer to zero are
bigger
• They all have a - sign next to
This is the
negative side

12. Negative Integers
• The ones closer to zero are
bigger
• They all have a - sign next to
This is the This is the
negative side positive side

14. Positive Integers

15. Positive Integers
• A positive integer are the numbers
we worked with since we were
young
• For example 4 can also be written

16. Positive Integers
• A positive integer are the numbers
we worked with since we were
young
• For example 4 can also be written

18. Number Lines

19. Number Lines

20. Number Lines
Number lines are a great way to do integer
problems because you can take a look at how the
adding/ subtraction, multiplying or dividing
works.

22. Adding Integers

23. Adding Integers
For Example:
-4 + -5

24. Adding Integers
For Example:
-4 + -5
When both of the numbers have the
same signs then you can treat it like
normal adding then adding the sign
they have (-, +)

25. Adding Integers
For Example:
-4 + -5
Answer: 9
When both of the numbers have the
same signs then you can treat it like
normal adding then adding the sign
they have (-, +)

27. Adding Integers

28. Adding Integers
For Example:
-4 + (- 6)

29. Adding Integers
For Example:
-4 + (- 6)
When there is a bracket the
number in the bracket becomes
the opposite. So this problem
becomes -4 + 6.

30. Adding Integers
For Example:
-4 + (- 6)
Answer: -10
When there is a bracket the
number in the bracket becomes
the opposite. So this problem
becomes -4 + 6.

32. Subtracting
Integers

33. Subtracting
Integers
For Example:
-10 - 9

34. Subtracting
Integers
For Example:
-10 - 9
You can treat it as 10 +9 because it
becomes positive and it becomes the
opposite

35. Subtracting
Integers
For Example:
-10 - 9
Answer: 19
You can treat it as 10 +9 because it
becomes positive and it becomes the
opposite

36. Multiplying Rules:
Positive x Positive = Positive
Negative x Negative = Positive
Negative x Positive = Negative
Positive x Negative = Negative

37. Multiplying Integers
Multiplying Rules:
Positive x Positive = Positive
Negative x Negative = Positive
Negative x Positive = Negative
Positive x Negative = Negative

38. For Example:
-4 x -5 =
Answer: 20
You can treat this like a normal multiplication
problem, because a negative integer multiplied
by another negative integer is a positive
number.

39. Multiplying Integers
For Example:
-4 x -5 =
Answer: 20
You can treat this like a normal multiplication
problem, because a negative integer multiplied
by another negative integer is a positive
number.

41. Dividing Integer

42. Dividing Integer
• Basically it’s the same as multiplying but in
reverse but all of the rules reply just the
same