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  2. Word problem (mathematics education) - Wikipedia

    en.wikipedia.org/wiki/Word_problem_(mathematics...

    Word problem (mathematics education) In science education, a word problem is a mathematical exercise (such as in a textbook, worksheet, or exam) where significant background information on the problem is presented in ordinary language rather than in mathematical notation. As most word problems involve a narrative of some sort, they are ...

  3. How to Solve It - Wikipedia

    en.wikipedia.org/wiki/How_to_Solve_It

    Genre. Mathematics, problem solving. Publication date. 1945. ISBN. 9780691164076. How to Solve It (1945) is a small volume by mathematician George Pólya, describing methods of problem solving. [1] This book has remained in print continually since 1945.

  4. JumpStart Adventures 5th Grade: Jo Hammet, Kid Detective

    en.wikipedia.org/wiki/JumpStart_Adventures_5th...

    JumpStart Adventures 5th Grade: Jo Hammet, Kid Detective covers curricula subjects such as art history, geography, math, language, science, and US History. Throughout the course of the game, which is set in the fictional city of Hooverville, the user must (while playing the role of female fifth grade detective Jo Hammet) thwart the schemes of the evil Dr. X, who is planning to destroy ...

  5. Academic grading in the United States - Wikipedia

    en.wikipedia.org/wiki/Academic_grading_in_the...

    A-plusses, if given, are usually assigned a value of 4.0 (equivalent to an A) due to the common assumption that a 4.00 is the best possible grade-point average, although 4.33 is awarded at some institutions. In some places, .25 or .3 instead of .33 is added for a plus grade and subtracted for a minus grade.

  6. Subtraction - Wikipedia

    en.wikipedia.org/wiki/Subtraction

    Subtraction is an operation that represents removal of objects from a collection. [1] For example, in the adjacent picture, there are 5 − 2 peaches—meaning 5 peaches with 2 taken away, resulting in a total of 3 peaches. Therefore, the difference of 5 and 2 is 3; that is, 5 − 2 = 3.

  7. Four-dimensional space - Wikipedia

    en.wikipedia.org/wiki/Four-dimensional_space

    Vectors. Mathematically, a four-dimensional space is a space that needs four parameters to specify a point in it. For example, a general point might have position vector a, equal to. This can be written in terms of the four standard basis vectors (e1, e2, e3, e4), given by. so the general vector a is.

  8. Pearson correlation coefficient - Wikipedia

    en.wikipedia.org/wiki/Pearson_correlation...

    Pearson's correlation coefficient is the covariance of the two variables divided by the product of their standard deviations. The form of the definition involves a "product moment", that is, the mean (the first moment about the origin) of the product of the mean-adjusted random variables; hence the modifier product-moment in the name.

  9. The ClueFinders 5th Grade Adventures: The Secret of the ...

    en.wikipedia.org/wiki/The_ClueFinders_5th_Grade...

    The ClueFinders 5th Grade Adventures: Secret of the Living Volcano is a computer game in The Learning Company's ClueFinders series of educational software.In the game, the ClueFinders are shipwrecked on a mysterious volcanic island, inhabited by centuries of trapped castaways, where any escape attempt seems to be deliberately thwarted by natural forces.

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