1. Multiplying Real Numbers
Chapter 1.3
Multiplying Real Numbers

2. Multiplying Two Real Numbers
Same sign
Product is positive
1a. (-6)(-2)
1b. (7)(9) 12 63

3. Multiplying Two Real Numbers
Different signs
Product is negative
1c. ( )( ) -3 5 2 7
1d. ( )(-7) 5 6 1 -6
-35 35 6

4. Multiplying Two or More Real Numbers2.
(-5)(-2)
(-6) 10
(-6)
-60

5. Multiplying Two or More Real Numbers
1. Product is positive when
there is an even number of
negative factors.
2. Product is negative when
there is an odd number of
negative factors.

6. Determine the sign of the product then multiply.
3a. -2(-3)
Positive 6

7. Determine the sign of the product then multiply.
3b. (-1)(-3)(-2)
Negative -6

8. Determine the sign of the product then multiply.-1
3c. -4(-)(-2)(-6) 1
Positive 12

9. Multiplying Real Numbers
Chapter 1.3
Multiplying Real Numbers