PBS
Pbs: Relationship of Division and Fractions
Explore the connection between division and fractions while dividing up cookies. This video focuses on recognizing patterns when modeling dividing up cookies to share with people.
PBS
Pbs: Area Model for Division
Visualize solutions to multi-digit division problems by modeling them with virtual manipulatives. This interactive exercise focuses on calculating quotients by working with area models and visualizing the distributive property of division.
Utah Education Network
Uen: Modeling Multiplication and Division of Fractions
Detailed lesson plan for multiplying and dividing fractions using visual models such as a number line or fraction bars.
Khan Academy
Khan Academy: Multiply 2 Digits Numbers With Area Models
Use an area model to decompose factors and multiply. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Exploratorium
Exploratorium: Microscope Imaging Station: Mitosis Flipbook
Use this series of images depicting the process of mitosis in the early embryo of the fruit fly, Drosophila melanogaster to make a mitosis flipbook. In this stage of Drosophila development, nuclei divide very rapidly without cell...
Illustrative Mathematics
Illustrative Mathematics: 6.ns Traffic Jam
Sixth graders can first model this fraction division problem with a drawing or manipulatives, then use division to solve it. Aligns with 6.NS.A.1.
Better Lesson
Better Lesson: Mixed Operation Practice + Scholarships
Which operation should I use to solve this problem? How can I use bars to model what is going on? What are scholarships and how do I earn them? Students apply their knowledge of decimal operations to answer these questions.
Concord Consortium
Concord Consortium: Evolution: Natural Selection
The concept of interdependence in an ecosystem and its effect on the evolution of populations is further explored through a model of a dam. Students build a dam in the middle of the field, dividing the ecosystem in half to illustrate the...