**Colorado Common Core Education Standards**. is one of the four basic operations of arithmetic, with the others being subtraction, multiplication and division. The addition of two whole numbers is the total amount of those quantities combined. Read More...

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Study GuideAdd/Subtract Fractions

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Add/Subtract Fractions

Worksheet/Answer keyAdd/Subtract Fractions

Worksheet/Answer keyAdd/Subtract Fractions

CO.5.1. Number Sense, Properties, and Operations

5.1.4. The concepts of multiplication and division can be applied to multiply and divide fractions (CCSS: 5.NF). Students can:

5.1.4.a. Interpret a fraction as division of the numerator by the denominator (a/b = a ÷ b). (CCSS: 5.NF.3)