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Teaching with Technology

Teaching with Technology. Lawrence E. Levine Visiting Professor Department of Mathematical Sciences. Levine’s Technology Theorem. Everything works either at home or in my office, and nothing works when I present it. Some Uses of Technology as a Learning/Teaching Tool. Course Web Sites

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Teaching with Technology

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  1. Teaching with Technology Lawrence E. Levine Visiting Professor Department of Mathematical Sciences

  2. Levine’s Technology Theorem Everything works either at home or in my office, and nothing works when I present it.

  3. Some Uses of Technology as a Learning/Teaching Tool • Course Web Sites • Teaching with computers • Locating Web resources • Mathematical slide shows • Computer homework assignments and projects • Discovering things using technology

  4. Course Web Sites • All the important information about the course • Syllabus • Office Hours • Homework assignments • Lecture notes • Old Exams with solutions • Grades • http://golem.math.stevens-tech.edu/ma115/ • http://golem.math.stevens-tech.edu/llevine/ma205/ma_205.html

  5. MathematicalSlide Shows I • http://attila.stevens-tech.edu/~llevine/ • These use stream technology • How created • Power Point good for creating slides • Then can easily add narration • Real media add-on to convertreal format • Power Point not good for writing math

  6. MathematicalSlide Shows II • SNB is good for writing math • Power Point does not read tex files • Solution • Prepare math using SNB • Capture portions of file as graphics files • Important these graphics files into Power Point • Add narration, convert to real format

  7. ComputerProjects and Simulations • Add new dimension to learning • Make things come “alive” • http://www.math.psu.edu/dna/graphics-g.html • Projects that reinforce and extend • Harmonic Oscillator Project • Combination of analytic and simulation

  8. The Case for Laptops I • Faculty must have laptops • PCs in classrooms not adequate • Prepare everything before on laptop • Should be able to come in, plug in laptop and teach • Ideally just a little more difficult than using chalk and a board

  9. Case for Laptops II • Computer labs expensive • Students bring lab to classroom • Incoming student has state of the art equipment • Really use technology while teaching • Opportunity for interaction with and engagement of students

  10. Ma 488 VP Course • TH 120 Advanced Technology Classroom • Classroom set-up • Cadets have laptops • Wireless connections • Scientific Notebook • Net OP School • Smart Board

  11. How is Course Taught? • Prepare notes in SNB for presentation of material • Discuss this material: laptop covers down • Have cadets work specific examples using SNB • Monitor work using Net OP School • Project cadet’s laptop, monitor, take control, attention – “Go to the Boards” • Homework is submitted via email

  12. Some Cautions • Technology must work easily – need good support • Must come earlier to set things up • Tendency for class to go in unexpected directions – instructor must be fluid in approach • When something new comes up, file is emailed on the spot

  13. Course Content and Goals I • Differential Equations • Solution of constant coefficient homogeneous and nonhomogeneous equations • Infinite series • Series solution of DEs near an ordinary point • Cauchy-Euler Equations • Method of Frobenius

  14. Course Content and Goals II • Use technology to discover new results • Nonhomogeneous Hermite, Legendre, Chebyshev equations • Assume one has a polynomial on the RHS • Under what conditions will one of these DEs have a polynomial solution?

  15. Discovery Approach I • Hermite’s Equation

  16. Discovery Approach II • SNB will solve the equation for specific values of n • It will not solve the IVP in general • By looking at specific examples one tries to extrapolate a general result. • SNB illustrations

  17. Conclusions • The world is changing • Technology will become more prevalent • Students must be fluent with technology • Technology opens new horizons • Many approaches • Some good, some not so good • Try new approaches, identify good ones, develop them • No small challenge

  18. Follow-Up Session • Time: 1350 • Date: 16 April • Place: MCR • Format: Question and Answer • Topics – Anything you like

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