posted by Tracy .
write each addition vertically.decide which new groups you will make.then,add to see if you were correct.
a new ten?____________
a new hundred?_________
a new thousand?____________
need answers and please explain
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.
See your later post.