Dr Ed
211 Followers
Georgia, United States
About the store
I am certified to teach high school math and chemistry. I have taught high school algebra and geometry as well as college chemistry. I have B.S. and Ph.D. degrees in chemistry. Much of my professional career has been as a research scientist; however, I have extensive outreach experience. I am known as "Dr. Ed" at my daughters' elementary school, where I often visit. My science videos were featured as part of a summer program on the Pensacola News Journal's website, and I have Youtube videos on making and using red cabbage indicator.
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Distributive axiom through geometric patterns
The distributive axiom can seem rather abstract to elementary students, so teaching it through concrete geometric patterns can help to clarify the concept. In these slides, the distributive axiom is approached by treating the multiplier as the number of rows or columns and chopping the line of objects (multiplicand) into two groups (addends). It allows students to see where the addition and the multiplication come into play, and it relates the distributed math problem to the undistributed one. I
3rd - 5th
Algebra, Arithmetic, Math
Distributive axiom applications
The distributive axiom is the basis for the multiplication algorithm involving factors with multiple digits, and it is also the fastest way to do mental math. While it is increasingly added to elementary math texts, the coverage is often sketchy, misplaced, and poorly integrated. In addition, no obvious reason is given for learning it. This slide set is designed to help walk students through steps needed to use the distributive axiom of multiplication with respect to addition. It also covers whe
3rd - 5th
Algebra, Arithmetic, Math
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About the store
Experience
I am certified to teach high school math and chemistry. I have taught high school algebra and geometry as well as college chemistry. I have B.S. and Ph.D. degrees in chemistry. Much of my professional career has been as a research scientist; however, I have extensive outreach experience. I am known as "Dr. Ed" at my daughters' elementary school, where I often visit. My science videos were featured as part of a summer program on the Pensacola News Journal's website, and I have Youtube videos on making and using red cabbage indicator.
Teaching style
I believe in extensive experiential learning. However, I also believe we teach by showing, modeling, and explaining. We have to give students opportunities to make mistakes so we can find their errors and we have to let them puzzle over problems so they are ready for answers. I have bits of Montessori, humanist, and constructivist in my style. I believe that writing across the curriculum is critically important and should begin as soon as students can read and write. I like project-based learning, but I believe it needs to be structured and guided so that it does not turn into a craft project.
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