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Topic 7

Understanding Addition

 

 

There are multiple interpretations of addition, subtration, multiplication, and division of rational numbers, and each operation is related to other operations.

 

 

7-1  Stories About Joining

7-2  More Joining

7-3  Joining Groups

7-4  Using the Plus Sign

7-5  Finding Sums

7-6   Addition Sentences

7-7  Draw a Picture