multiplying integers

4x(-1)= (- 4)
4 groups of - 1

3x5= 15

3 groups of 5
5 x 1 = 5

5 groups of 1

 

 

- 1 x 6 = -6

Todays notes
 6x4=24
5x3=15
9x1=9
4x2=8

 

-6x4=-24

-5x3=-15

-9x1=-9



-4x2=-8

6x-4=-24
5x-3=-15
9x-1=-9
4x-2=-8

-6x-4=24
-5x-3=15
-9x-1=9
-4x-2=8
axb=c
-axb=-c
ax-b=c
-ax-b=+c
https://www.youtube.com/watch?v=Gk4QhK3KMq4Multiplying Integers Using Chip Model.wmv