Katie's Integer Scribepost

 

3.A) His method works but he never zero paired to make it -6.
   B) Yes he could since the answer would end up -6.

6.A) (+3)x(+7)=+21
   B)  (+4)x(-4)=-16

 10. A) (+7)x(+2)=+14
       B) (+6)x(-1)=-6

17.  (+2)x(+8)=+16 so  16m is the answer.