3x4=12
Repeated Addition: 4+4+4=12
Three groups of four
3x(-4)= (-2)x(+3)= -6
(-4)+(-4)+(-4)=12 / \ Remove 2 groups of +3 / \
3 groups of (-4) |____(+++) (+++) _____________|
(----) (----) (----) --- ---
( )= groups
(-2)x(-3)=+6
Remove 2 groups of -3
/\ +++ +++ /\
|____(---) (---)_____|
(-2)x(+3)= removing groups (+2)x(+3)= make groups
(-2)x(-3)= removing groups (+2)x(-3)= make groups
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