Cluster 3

Using Models to Multiply and Divide Fractions

NC.5.NF.3

Apply and extend previous understandings of multiplication and division to multiply and divide fractions.

Use fractions to model and solve division problems.

Interpret a fraction as an equal sharing context, where a quantity is divided into equal parts.
Model and interpret a fraction as the division of the numerator by the denominator.
Solve one-step word problems involving division of whole numbers leading to answers in the form of fractions and mixed numbers, with denominators of 2, 3, 4, 5, 6, 8, 10, and 12, using area, length, and set models or equations

NC.5.NF.4

Apply and extend previous understandings of multiplication and division to multiply and divide fractions.

Apply and extend previous understandings of multiplication to multiply a fraction or whole number by a fraction, including mixed numbers.

Use area and length models to multiply two fractions, with the denominators 2, 3, 4.
Explain why multiplying a given number by a fraction greater than 1 results in a product greater than the given number and when multiplying a given number by a fraction less than 1 results in a product smaller than the given number.
Solve one-step word problems involving multiplication of fractions using models to develop the algorithm.

NC.5.NF.7

Apply and extend previous understandings of multiplication and division to multiply and divide fractions.

Solve one-step word problems involving division of unit fractions by non-zero whole numbers using area and length models, and equations to represent the problem.
Division of whole numbers by unit fractions using area and length models, and equations to represent the problem.

NC.5.OA.2

Write and interpret numerical expressions.

Write, explain, and evaluate numerical expressions involving the four operations to solve up to two-step problems. Include expressions involving: