Math K-Plus

Arithmetic - The Following Are Addition Lessons And Calculators For First, Second, Third, And Fourth Grade

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All About Addition




SECOND GRADE EXAMPLE: ADD TWO NUMBERS




Problem: Add Positive Integer Numbers.



  +92
+ +60
—————


   92
+  60
—————



Add all numbers in column 1 in all rows.
Column 1 sum is (2 + 0) = 2.
Move 2 of 2 to column 1 answer line.



     
   92
+  60
—————
    2


Add all numbers in column 2 in all rows.
Column 2 sum is (9 + 6) = 15.
Move 5 of 15 to column 2 answer line.
Carry 1 of 15 to column 3.



  1  
   2
+  60
—————
   52

Problem Answer.



   92
+  60
—————
 +152