Arithmetic Grade Two

Lesson One hundred twenty-four: Regrouping Review


In this lesson we review two digit addition with regrouping:

    35
   +26
   ----

Problem without answer

    1
    35
   +26
   ----
     1 

Adding the 5 and 6 in the ones column we get 11. We take one 1 from 11 and place it in the ones column of the answer and we carry the other 1 above the tens column above the addends.

    1
    35
   +26
   ----
    61 

We add up the 1, 3, and 2 in the tens column.

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