1. Multiplying Integers
The product of two positive or two negative integers is positive.
The product of a positive integer and a negative integer is negative.

2. Practice
-3x4=
-3x3=
-3x(-2)=
-3x(-3)=

3. Talk & Share
Work with a partner to solve this problem. Harry withdrew $15 from his savings account each week for 4 weeks. Explain why you can express the total change in his account as 4x(-15).

4. Dividing Integers Divide as with whole numbers.
The quotient of two positive or two negative integers is positive.
The quotient of a positive integer and a negative integer is negative.

5. Talk & Share
Work with a partner. Compare the rules for dividing integers with the rules for multiplying integers.

6. Inverse Operations The inverse of multiplication is division.
-3x(-6)=18, so 18 / (-3)= -6

7. Practice
56 / (-14)=
-87 / 3=
-50 / 2=
-51 / 17=