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  2. Ron Larson - Wikipedia

    en.wikipedia.org/wiki/Ron_Larson

    Roland "Ron" Edwin Larson (born October 31, 1941) is a professor of mathematics at Penn State Erie, The Behrend College, Pennsylvania. [1] He is best known for being the author of a series of widely used mathematics textbooks ranging from middle school through the second year of college.

  3. Mass point geometry - Wikipedia

    en.wikipedia.org/wiki/Mass_point_geometry

    Mass point geometry, colloquially known as mass points, is a problem-solving technique in geometry which applies the physical principle of the center of mass to geometry problems involving triangles and intersecting cevians. [1]

  4. Mathematical Olympiads for Elementary and Middle Schools

    en.wikipedia.org/wiki/Mathematical_Olympiads_for...

    Schools, home schools and institutions may participate in the contest. [1] Two dozen other nations also participate in the competition. There are two divisions, Elementary and Middle School. Elementary level problems are for grades 4-6 and Middle School level problems are for grades 7-8, though 4-6 graders may participate in Middle School problems.

  5. Missing square puzzle - Wikipedia

    en.wikipedia.org/wiki/Missing_square_puzzle

    The amount of bending is approximately ⁠ 1 / 28 ⁠ unit (1.245364267°), which is difficult to see on the diagram of the puzzle, and was illustrated as a graphic. Note the grid point where the red and blue triangles in the lower image meet (5 squares to the right and two units up from the lower left corner of the combined figure), and ...

  6. Houghton Mifflin Harcourt - Wikipedia

    en.wikipedia.org/wiki/Houghton_Mifflin_Harcourt

    Under (new from 1991) president Nader F. Darehshori Houghton Mifflin acquired McDougal Littell in 1994, for $138 million, an educational publisher of secondary school materials, [26] and the following year acquired D.C. Heath and Company, [27] a publisher of supplemental educational resources.

  7. Mathematics education in the United States - Wikipedia

    en.wikipedia.org/wiki/Mathematics_education_in...

    Success in middle-school mathematics courses is correlated with having an understanding of numbers by the start of first grade. [42] This traditional sequence assumes that students will pursue STEM programs in college, though, in practice, only a minority are willing and able to take this option. [4] Often a course in Statistics is also offered ...

  8. Holt McDougal - Wikipedia

    en.wikipedia.org/wiki/Holt_McDougal

    Holt McDougal is an American publishing company, a division of Houghton Mifflin Harcourt, that specializes in textbooks for use in high schools.. The Holt name is derived from that of U.S. publisher Henry Holt (1840–1926), co-founder of the earliest ancestor business, but Holt McDougal is distinct from contemporary Henry Holt and Company, which claims the history from 1866.

  9. University of Minnesota Talented Youth Mathematics Program

    en.wikipedia.org/wiki/University_of_Minnesota...

    The University of Minnesota Talented Youth Mathematics Program (UMTYMP) is an alternative secondary mathematics education program operated by the University of Minnesota's School of Mathematics Center for Educational Programs (MathCEP). Classes are offered in St. Cloud, Rochester, Duluth, and Minneapolis, Minnesota. [1]