Question

Explain what can happen if you line up the digits incorrectly when you rewrite addition problems.

Answer 1

You could incorrectly solve the problem, giving you the wrong answer. 

Answer 2

if you line up the digits incorrectly you are changing the value you will get the incorrect amount.
example if adding 25 + 36 but instead put 25 + 360 you will get 385 not 61