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Date __________________

 

Three Number Column Addition Lesson Worksheet

Lesson 1

 

 

 

Problem:

 

 

8

+ 9

+ 6

 

Solution
Step 1:

 

 

8

+ 9

+ 6

 

1.    Add the first number to the second number

 

8 + 9 = 17

                                                                       

Solution
Step 1 Complete:

 

 

 

 

8

+ 9

17

 

 

Solution
Step 2:

 

 

8

+ 9

+ 6

 

 

2. Add the resultant to the third number

17 + 6 = 23

 

Solution
Step 3

Complete:

8

+ 9

+ 6

23

3. Write the answer

  The answer is 23.

 

 

 

 

Try two practice problems:

A.

 

2

+ 5

+ 1

B.

3

+ 6

+ 2

 


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