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For more information, please see full course syllabus of GRE/ACT/PSAT Math
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Lecture Comments (2)

1 answer

Last reply by: Professor Vilkus
Tue Apr 2, 2013 2:15 PM

Post by Isaac NJiru on April 2, 2013

how can you mutiply 5 by 5 and get 15. I expected 25


Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

  • Intro 0:00
  • The Basics: Fractions 0:09
    • Fractions as Part of a Whole
    • Equivalent Fractions
  • Fractions: Addition and Subtraction 4:11
    • Finding the Common Denominator
  • Fractions: Multiplication and Division 7:27
    • Division: Multiplying the Reciprocal (Flip It)
  • Fractions: Comparing Fractions 10:36
    • Determining the relationship between fractions