Better Lesson
Better Lesson: Strategies for Dividing Fractions Day 2 + Show What You Know
What strategies do you have for dividing fractions? How do you divide 1 2/3 by 1/3? Students apply all that they have learned about dividing with fractions to divide mixed numbers by fractions for a second day.
PBS
Pbs: Division of Fractions: Using Fraction Strips
Model division by a fraction using fraction strips. This video focuses on modeling division of a whole number by fractions.
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.
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...
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.
Better Lesson
Better Lesson: Unit Closure
What is going on in the problem? What are you trying to figure out? What kind of model could you create for this problem? Students apply the skills they have learned throughout Unit 4.
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...