Name ____________________

Date __________________

 

Adding three numbers

Lesson 1

 

Problem:

 

 

 799

 661

+

 

 192

 

Solution
Step 1:

 

 

 799

 661

+

 

 192

1. Add ones column place.

9 + 1 + 2 = 12

                                                                   

Solution
Step 1 Complete:

   1

 

 

    799

     661

+

 

 192

 

 

     2

 

 

Solution
Step 2:

     21

 

 

  799

  661

+

 

  192

 

 

     52

2. Add tens column place.

1 + 9 + 6 + 9 = 25

 

Solution
Step 2 Complete:

          121

 

 

        799

         661

+

 

  192

 

 

1652

3. Add hundreds column place.

7 + 6 + 1 + 2 =16

The answer is 1652.

 

Try two practice problems:

A.

 

 

  486

  954

+

 

  330

B.

 

 955

 348

+

 

 954

 

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