Arithmetic Grade Three

Lesson One hundred and eight: Two Column Regrouping


Inspect this multiplication problem:

     19
    x 2 
   -----
     38

Here are the steps to solve this problem:

    STEP ONE: MULTIPLY ONES COLUMN.

	9 x 2 = 18

    STEP TWO: PLACE ONES VALUE IN ONES COLUMN AND CARRY TENS.

	  1
	  19
	 x 2
	-----
           8

    STEP THREE: MULTIPLY TENS AND ADD CARRIED VALUE.

	2 x 1 + 1 = 3

    STEP FOUR: PLACE VALUE IN TENS COLUMN.

	  1
	  19
	 x 2
	-----
          38
 

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