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UNIT 7
CHAPTER 27
Lesson 27-6
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CHAPTER 27 ADDITION AND SUBTRACTION TO 20
Lesson 27-6 ALGEBRA Addition and Subtraction Patterns
Addition and Subtraction Patterns
Name ___________________________
You can use patterns to add or subtract.
There is a pattern in the sums.
There is a pattern in the differences.
Use a pattern to add or subtract.
1.
2.
3.
Look at row 2. What comes next in the pattern?
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