Multiplying Signed Numbers
Practice
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Remember: When multiplying integers apply the following rules:
(
+ integers) x ( + integers) = + product
(
+ integers) x ( - integers) = - product
(
- integers) x ( + integers) = - product
(
- integers) x ( - integers) = + product


1.
Find each product.

(- 6) (4 )


(12 ) ( -5 ) =


( 3) (9)


( -8 ) ( -6 )







2.
Find the correct expression.


Mary drank 9 ounces of apple juice from a large pitcher each morning for 5 days. Which of the following expressions represents how much more juice was in the pitcher 5 days ago?

( +9) x ( -5)             ( -9) x ( 5)

  ( -9) x ( -5)         ( -5) + ( -5) + ( -5) + ( -5) + (-5)
 


Bobby spent money from his piggy bank for his school lunches each day. If he spent $2 each day for 15 days, which expression represents how much more money had in his bank 15 days ago?

( 15) x ( -2)                      ( 15) x ( 2)  

 ( -15) + ( -15) + ( -15) + ( -15) + (-15)         ( -2) x ( -15)
 

3. Multiply


( -3)( -6)( 4)
 
( -4)3

 

4. Which product is negative?

(- 3) (-3 ) ( -3) ( -3)


( 4) ( -4 ) ( 4) ( -4)


( 2) ( 2 ) ( 2) ( -2)


(- 5) ( 5 ) ( 5) ( -5)


 

5. Find each product.


( -2 )5
 
( -1 )8


 Let's Play Jeopardy!

 
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