Respuesta :

smurfs2
the break apart or can be called expanded form, is splitting up a larger number into its place value number (rounded to its nearest whole number).
Example:275+358

(as a sddition problem)
200+70+5 and 300+50+8

             OR

(as the sum or solution)
275+358=633
600+30+3
sammiethoj18
  1 1
  247
+358
  605

Work right to left and carry your ones.