Addition Fact Patterns
Key Concepts
- Addends and sums.
- Use the addition fact patterns to find the sum.
Introduction
Addends
Addends are any of the numbers that are added together. For example: In the addition equation 8 + 3 = 11, the 8 and the 3 are addends.
Addition:
Example 1:
Find the addends and sum for the equation given below.
3 + 4 = 7
Solution:
3 and 4 are addends.
7 is the sum.
Example 2:
Find the addends and sum for the equation given below.
9 + 5 = 14
Solution:
9 and 5 are addends.
14 is the sum.
Use the addition fact patterns to find the sum
Example 3:
Find all the ways to make a sum of 5. Identify the pattern it makes.
Example 4:
Find all the ways to make a sum of 9. Identify the pattern it makes.
Example 5:
Use fact patterns and complete the equation.
10 + ____ = 16
9 + 7 = ____
____ + 8 = 16
7 + ____ = 16
6 + ____ = 16
Solution:
Exercise
1.____________ are any of the numbers that are added together?
2. Find the addends and sum for the equation given below.
2 + 1 = 3
3. Find the addends and sum for the equation given below.
4+ 6 = 10
4. Find the addends and sum for the equation given below.
9+ 8 = 17
5. Find all the ways to make a sum of 3. Identify the pattern it makes.
6. Find all the ways to make a sum of 4. Identify the pattern it makes.
7. Find all the ways to make a sum of 7. Identify the pattern it makes.
8. Use fact patterns and complete the equation.
3+____ = 7
4 + 3 = _____
____ +2 = 7
6 + ____ = 7
7 + ____ = 7
9. Use fact patterns and complete the equation.
10 + ____ = 14
9 + 5 = ____
_____ + 6 = 14
7 +____ = 14
6 +____ = 14
10. Use fact patterns and complete the equation.
9 + ____ = 9
8 + 1 = ____
____ + = 9
6 + ___ = 9
Concept Map
What have we learned
- Identify addends and sums in an addition equation.
- Use the addition fact patterns to find the sum.
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