place+value

   5409 +  1000 = 6409 5409 +  1  = 5410   5409 +  100  = 5509  5409 +  1599 = 7008   5409 + <span style="color: #1147bb; font-family: 'Trebuchet MS',Helvetica,sans-serif;"> 1689 <span style="font-family: 'Trebuchet MS',Helvetica,sans-serif;">= 7098 5409 + <span style="color: #cd4b1d; font-family: 'Trebuchet MS',Helvetica,sans-serif;"> 2589 <span style="font-family: 'Trebuchet MS',Helvetica,sans-serif;">= 7998  <span style="color: #1147bb; font-family: 'Trebuchet MS',Helvetica,sans-serif;"> <span style="color: #000000; font-family: 'Trebuchet MS',Helvetica,sans-serif;"> 5409 + <span style="color: #1147bb; font-family: 'Trebuchet MS',Helvetica,sans-serif;">1590 <span style="font-family: 'Trebuchet MS',Helvetica,sans-serif;">= 6999