**Common Core State Education Standards**. What Is Addition and Subtraction of Fractions? Addition is combining two or more fractions. The term used for addition is plus. When two or more numbers, or addends, are combined they form a new number called a sum. Subtraction is “taking away” one fraction from another fraction. The term is minus. The number left after subtracting is called a difference. Read More...

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Study GuideAdd/Subtract FractionsWorksheet/Answer key

Add/Subtract FractionsWorksheet/Answer key

Add/Subtract FractionsWorksheet/Answer key

Add/Subtract FractionsWorksheet/Answer keyAdding and Subtracting Fractions

CCSS.Math.Content.4.NF Number and Operations--Fractions

CCSS.Math.Content.4.NF.B Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.

CCSS.Math.Content.4.NF.B.3 Understand a fraction a/b with a > 1 as a sum of fractions 1/b.

CCSS.Math.Content.4.NF.B.3a Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.

CCSS.Math.Content.4.NF.B.4 Apply and extend previous understandings of multiplication to multiply a fraction by a whole number.

CCSS.Math.Content.4.NF.B.4a Understand a fraction a/b as a multiple of 1/b. For example, use a visual fraction model to represent 5/4 as the product 5 x (1/4), recording the conclusion by the equation 5/4 = 5 x (1/4).

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