Solve 235 + 123 on a number line

This is easy so you first get your number line and you put 235 on top of the number line and on the botton you put 123 them your make a seperate equestion and add 235 + 123 = 358 and add the nuber 358 in the middle and put right next to 358 final answer

Think of it as five or above give it a shove. change the 5 or above to the right to a zero and add one to the number on the left.