1. Algebra 1 08/23/16 EQ: How do I multiply and divide real numbers
Algebra 1 08/23/16 EQ: How do I multiply and divide real numbers? HW: pg. 23 #1-37 odd

2. Multiplying/Dividing Same Signs
3 x 9 =
-7 x -5 =
28 ÷ 2 =
25 ÷ -5 =
Rule: If two numbers have the same sign, the answer will be ___________

3. Multiplying/Dividing Different Signs
6 x -8 =
-7 x 2 =
18 ÷ -2 =
-40 ÷ 5 =
Rule: If two numbers have different signs, the answer will be ___________

4. If you forget the rule…

5. Practice
-5 x 9 = -18 ÷ -3 = -6 x -4 = 30 ÷ -6 = -1 x -7 = -9 ÷ -1 =

6. Multiplying Fractions
5 7 x 3 2 = 9 4 x 2 6 = 10 3 x 6 5 = Rule: When multiplying fractions, we ___________ _______ and we ____________ if possible

8. Dividing Fractions Keep Change Change
5 7 ÷ 10 3 = 6 4 ÷ 2 9 = 2 3 ÷ 6 12 = Rule: When dividing fractions, we ___________ _______ ________ by doing ________and we _________ if possible.