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 9trick, 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


b. 6


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 selfteaching 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.