Question

How to solve the problem 378x6 using place value with regrouping.explain how you knew to regroup

Answer 1

I can regroup using distributive property

remember a(b+c)=ab+ac
so
(378)(6)=(6)(378)=(6)(300+70+8)=
(6)(300)+(6)(70)+(6)(8)=
1800+420+48=
1000+800+400+20+40+8=
1000+1200+60+8=
1000+1000+200+60+8=
2000+200+60+8=
2268