179k views
3 votes
Explain why an addition problem that has a 4-digit addends could have a 5 digit sum.

1 Answer

7 votes
If the two four digit numbers have their thousands element adding up to a number greater than 10 then the result would be a five digit number. eg 5000 + 5000 = 10000, a five digit number
User Algal
by
7.2k points