Question

Explain how to use the combine place vaule strategy to find 223- 119

Answer 1

   223
  -119
----------

Subtract 9 from 3.  To do this, you must borrow:

The first digit of the answer is thus 13-9=4.

Next, you must subtract 1 from 1, obtaining 0.

Lst, you must subtract 1 from 2, obtaining 1.

Putting all of these results together:    1 0 4, or 104.

Check:  Does   104 + 119 = 223?


    1
  104
 +119
-------
   223

yes.