Home - HomeschoolMath.net     

Addition facts for sums with 6

This is a complete lesson with instruction and exercises about basic addition facts when the sum is 6, meant for 1st grade math. You can use the same ideas to teach other sums (sums with 7, 8, 9, 10, etc.) as well.

The video below shows many ideas and strategies for learning basic addition facts: grouping of sums as in this lesson, the 9-trick, doubles, and more.




1. Six hippos are grouped into two groups, in different ways. Write the addition sentences.

|   

______ + ______ = ______

  |

______ + ______ = ______

|

______ + ______ = ______

|

______ + ______ = ______

|

______ + ______ = ______

|

______ + ______ = ______

|

______ + ______ = ______

2. Play “6 Out” and/or “Some Went Hiding” with 6 objects (see the introduction).

3. Drill.  Don't write the answers but just solve them in your head.

1 + = 6

2 + = 6

6 + = 6

4 + = 6

3 + = 6

5 + = 6

+ 2 = 6

+ 0 = 6

+ 4 = 6

+ 3 = 6

+ 1 = 6

+ 5 = 6

4. Add the numbers and write the total on the line.

a.  1 + 5 = ______

b.  2 + 3 = ______ c.  4 + 2 = ______


5. Draw more little boxes to illustrate the missing number.

a. 

2 + = 6

b.  

2 + = 5

c. 

4 + = 6

d.  

3 + = 6

 e.   

1 + = 6

f. 

5 + = 6

g. 

1+ = 5

 h.

0 + = 6

i. 

3 + = 5

6. Jack and Jill share 5 cucumbers and 6 lemons in different ways. Find how many Jill gets.
    You can cover the cucumbers or lemons with your hand to help.

a.  5

Jack gets: Left for Jill:
 2   
 1   
 5   
 3   
 0   
 4   

 

 

b.  6

 
Jack gets: Left for Jill:
 1   
 4   
 5   
 0   
 2   
 3   

 

 

7. Add.

2 + 3 = ______

4 + 1 = ______

3 + 3 = ______

4 + 2 = ______

1 + 3 = ______

1 + 5 = ______

2 + 2 = ______

2 + 4 = ______




This lesson is taken from my book Math Mammoth Addition 1.

Math Mammoth Addition 1

A self-teaching worktext for 1st grade that covers addition concept, missing addend problems, and practice of addition facts within the context of fact families (providing structure for the facts learning).

Download ($3.95). Also available as a printed copy.

=> Learn more and see the free samples!

See more topical Math Mammoth books



Math Lessons menu

Free math worksheets and practice - Adapted Mind

Free math worksheets and practice - Adapted Mind



Practice makes perfect. Practice math at IXL.com