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  2. Fraction - Wikipedia

    en.wikipedia.org/wiki/Fraction

    A simple fraction (also known as a common fraction or vulgar fraction, where vulgar is Latin for "common") is a rational number written as a / b or ⁠ ⁠, where a and b are both integers. [9] As with other fractions, the denominator (b) cannot be zero. Examples include ⁠ 1 2 ⁠, − ⁠ 8 5 ⁠, ⁠ −8 5 ⁠, and ⁠ 8 −5 ⁠.

  3. Ancient Egyptian mathematics - Wikipedia

    en.wikipedia.org/wiki/Ancient_Egyptian_mathematics

    An interesting feature of ancient Egyptian mathematics is the use of unit fractions. [7] The Egyptians used some special notation for fractions such as ⁠ 1 / 2 ⁠, ⁠ 1 / 3 ⁠ and ⁠ 2 / 3 ⁠ and in some texts for ⁠ 3 / 4 ⁠, but other fractions were all written as unit fractions of the form ⁠ 1 / n ⁠ or sums of such unit ...

  4. History of mathematics - Wikipedia

    en.wikipedia.org/wiki/History_of_mathematics

    e. The history of mathematics deals with the origin of discoveries in mathematics and the mathematical methods and notation of the past. Before the modern age and the worldwide spread of knowledge, written examples of new mathematical developments have come to light only in a few locales. From 3000 BC the Mesopotamian states of Sumer, Akkad and ...

  5. Project Lead the Way - Wikipedia

    en.wikipedia.org/wiki/Project_Lead_the_Way

    PLTW Gateway is the middle school level, covering grades six through eight. It consists of 10 different modules, which can be taught in any order, so schools can organize the modules into courses as best fits their own schedules. At the high school level (grades 9–12), three different programs are offered, each with a four-course sequence.

  6. Area of a circle - Wikipedia

    en.wikipedia.org/wiki/Area_of_a_circle

    The area of a regular polygon is half its perimeter multiplied by the distance from its center to its sides, and because the sequence tends to a circle, the corresponding formula–that the area is half the circumference times the radius–namely, A = ⁠ 1 2 ⁠ × 2πr × r, holds for a circle.

  7. Mediant (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Mediant_(mathematics)

    However, if the fraction 1/1 is replaced by the fraction 2/2, which is an equivalent fraction denoting the same rational number 1, the mediant of the fractions 2/2 and 1/2 is 3/4. For a stronger connection to rational numbers the fractions may be required to be reduced to lowest terms, thereby selecting unique representatives from the ...

  8. Project-based learning - Wikipedia

    en.wikipedia.org/wiki/Project-based_learning

    Project-based learning is a teaching method that involves a dynamic classroom approach in which it is believed that students acquire a deeper knowledge through active exploration of real-world challenges and problems. [1] Students learn about a subject by working for an extended period of time to investigate and respond to a complex question ...

  9. Inside-outside circle - Wikipedia

    en.wikipedia.org/wiki/Inside-Outside_Circle

    Inside-outside circle. Inside-outside circle is a cooperative learning strategy. Students form two concentric circles and take turns on rotation to face new partners to answer or discuss the teacher’s questions. [1] This method can be used to gather variety of information, generate new ideas and solve problems.

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