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- 5.NF.B.3Interpret a fraction as division of the numerator by the denominator (a/b = a Ã· b). Solve word problems involving division of whole numbers leading to answers in the form of fractions or mixed numbers, e.g., by using visual fraction models or equations to represent the problem. For example, interpret 3/4 as the result of dividing 3 by 4, noting that 3/4 multiplied by 4 equals 3 and that when 3 wholes are shared equally among 4 people each person has a share of size 3/4. If 9 people want to share a 50-pound sack of rice equally by weight, how many pounds of rice should each person get? Between what two whole numbers does your answer lie?
- 5.NF.B.4Apply and extend previous understandings of multiplication to multiply a fraction or whole number by a fraction.
- 5.NF.B.5Interpret multiplication as scaling (resizing), by:
- 5.NF.B.6Solve real world problems involving multiplication of fractions and mixed numbers, e.g., by using visual fraction models or equations to represent the problem.
- 5.NF.B.7Apply and extend previous understandings of division to divide unit fractions by whole numbers and whole numbers by unit fractions.

Multiplying Fractions by Whole Numbers (Day 1)

5th Grade Math

Â» Unit:

Multiplying and Dividing Fractions

Big Idea:Developing understanding of the multiplication of fractions and of division of fractions is a Critical Area in 5th grade.

The Multiplying Game

6th Grade Math

Â» Unit:

Fraction Operations

Big Idea:How can you create the smallest product in the Multiplying Game? Students apply what they know about multiplying fractions to the Multiplying Game.

Multiplying Two Fractions (Day 1)

5th Grade Math

Â» Unit:

Multiplying and Dividing Fractions

Big Idea:Students practice multiplying fractions using models and mathematical procedures.

Mixed Number Multiplication

6th Grade Math

Â» Unit:

Fraction Operations

Big Idea:How can we use diagrams to multiply mixed numbers? How can we multiply mixed numbers without using a diagram? Students apply what they know about multiplying fractions to multiplying with mixed numbers.

Representing Fraction Multiplication Day 2

6th Grade Math

Â» Unit:

Fraction Operations

Big Idea:What does it mean when you multiply fractions? How can you multiply fractions without drawing a diagram? Students build on their skills for multiplying fractions and they work to develop an algorithm.

Pretest

6th Grade Math

Â» Unit:

Fraction Operations

Big Idea:What do students already know about fractions? What gaps do students have in their understanding? Students take the fractions pretest in order to inform instruction.

Representing Fraction Multiplication

6th Grade Math

Â» Unit:

Fraction Operations

Big Idea:Riley has only completed one-third of her part of the mural. How can you find 1/3 of 1/2? Students extend their understanding of multiplication to fractions and area models.

Multiplying with Fractions

6th Grade Math

Â» Unit:

Number Sense

Big Idea:Students will use their understanding of multiplying fractions and apply it to dividing fractions which is a key component in common core.

Expressing Fractions, Mixed Numbers, and Division Expression

5th Grade Math

Â» Unit:

Adding and Subtracting Fractions with Unlike Denominators

Big Idea:0.25 is the same as 25/100. And Â½ is the same as 5/10 is the same as .5

Fraction Cover Up

5th Grade Math

Â» Unit:

Fractions

Big Idea:Students need to concrete models be able to see the exchange of fractions with unlike denominators.

Multiplying Fractions by Whole Numbers (Day 2)

5th Grade Math

Â» Unit:

Multiplying and Dividing Fractions

Big Idea:Students continue to work on problem based tasks that involve multiplying fractions by whole numbers.

Multiplying Fractions to Find Area

5th Grade Math

Â» Unit:

Multiplying and Dividing Fractions

Big Idea:Students practice multiplying mixed numbers for the purpose of finding area.

Multiplying Fractions (Day 2)

5th Grade Math

Â» Unit:

Multiplying and Dividing Fractions

Big Idea:Students apply skills they have learned and practiced to solve a real life problem about our local "save our salmon" project.

Skill Based Mixed Review

5th Grade Math

Â» Unit:

Multiplying and Dividing Fractions

Big Idea:Students have an opportunity to show what they know about fractions in this skill based mixed review activity.

Missing Fractions

5th Grade Math

Â» Unit:

Fractions

Big Idea:You have to see it visually to make it concrete.

5.NF.B.4a

Interpret the product (a/b) Ã q as a parts of a partition of q into b equal parts; equivalently, as the result of a sequence of operations a Ã q Ã· b. For example, use a visual fraction model to show (2/3) Ã 4 = 8/3, and create a story context for this equation. Do the same with (2/3) Ã (4/5) = 8/15. (In general, (a/b) Ã (c/d) = ac/bd.)

5.NF.B.4b

Find the area of a rectangle with fractional side lengths by tiling it with unit squares of the appropriate unit fraction side lengths, and show that the area is the same as would be found by multiplying the side lengths. Multiply fractional side lengths to find areas of rectangles, and represent fraction products as rectangular areas.