Arithmetic Grade Two

Lesson One hundred twenty-four: Regrouping Review

Regrouping is a skill which can take a lot of practice to get really good at. 

   27
  +33
  ----
When we add up the digits in the ones column we get 10 and so we write the one above the tens column and the 0 in the ones column in the answer space: 

   1
   27
  +33
  ----
    0
Next we add up all the numbers in the tens column: 

   1
   27
  +33
  ----
   60

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