# 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).

 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

2 + 3 = ______

4 + 1 = ______

3 + 3 = ______

4 + 2 = ______

1 + 3 = ______

1 + 5 = ______

2 + 2 = ______

2 + 4 = ______

This lesson is taken from Maria Miller's book Math Mammoth Addition 1, and posted at www.HomeschoolMath.net with permission from the author. Copyright © Maria Miller.
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