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Add Mixed Numbers With Like Denominators

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Add Mixed Numbers With Like Denominators

TEKS Math: 4.3.E

(E) Represent and solve addition and subtraction of fractions with equal denominators using objects and pictorial models that build to the number line and properties of operations

AU Math: ACMNA103

(Y5) Investigate strategies to solve problems involving addition and subtraction of fractions with the same denominator (ACMNA103)

CCSS Math: 4.NF.3.C

4.NF.3.C Add and subtract mixed numbers with like denominators, e.g., by replacing each mixed number with an equivalent fraction, and/or by using properties of operations and the relationship between addition and subtraction.

This Common Core number and operations -- fractions lesson focuses on adding mixed numbers with like denominators. The lesson includes research-based strategies and strategic questions that prepare students for Common Core assessments. In this lesson, students will read the problem aloud, identify the whole numbers and fractions, and write them as an addition problem. Then, they will combine the sum of both problems to determine the answer. Finally, they will reduce the fraction or regroup, if needed. In addition to the lesson, there are four pages of Independent Practice and Periodic Reviews with questions modeled after the Common Core assessment items.

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Standard Alignments:

TEKS Math: 4.3.E

(E) Represent and solve addition and subtraction of fractions with equal denominators using objects and pictorial models that build to the number line and properties of operations

AU Math: ACMNA103

(Y5) Investigate strategies to solve problems involving addition and subtraction of fractions with the same denominator (ACMNA103)

CCSS Math: 4.NF.3.C

4.NF.3.C Add and subtract mixed numbers with like denominators, e.g., by replacing each mixed number with an equivalent fraction, and/or by using properties of operations and the relationship between addition and subtraction.


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