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  2. Stairs - Wikipedia

    en.wikipedia.org/wiki/Stairs

    A stair flight is a run of stairs or steps between landings. A stairwell is a compartment extending vertically through a building in which stairs are placed. A stair hall is the stairs, landings, hallways, or other portions of the public hall through which it is necessary to pass when going from the entrance floor to the other floors of a building.

  3. Manipulative (mathematics education) - Wikipedia

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

    Mathematical manipulatives are frequently used in the first step of teaching mathematical concepts, that of concrete representation. The second and third steps are representational and abstract, respectively. Mathematical manipulatives can be purchased or constructed by the teacher.

  4. Category:Stairs - Wikipedia

    en.wikipedia.org/wiki/Category:Stairs

    Stairs — a built element to bridge a vertical distance by dividing it into a flat step, or a series of steps for greater vertical distances using interior staircases and external-outdoor stairways. Category:stairways

  5. Exercise (mathematics) - Wikipedia

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

    A mathematical exercise is a routine application of algebra or other mathematics to a stated challenge. Mathematics teachers assign mathematical exercises to develop the skills of their students.

  6. Singapore math - Wikipedia

    en.wikipedia.org/wiki/Singapore_math

    A bar model used to solve an addition problem. This pictorial approach is typically used as a problem-solving tool in Singapore math. Singapore math teaches students mathematical concepts in a three-step learning process: concrete, pictorial, and abstract. [3] This learning process was based on the work of an American psychologist, Jerome Bruner.

  7. Glossary of mathematical jargon - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    The language of mathematics has a wide vocabulary of specialist and technical terms. It also has a certain amount of jargon: commonly used phrases which are part of the culture of mathematics, rather than of the subject.

  8. Staircase paradox - Wikipedia

    en.wikipedia.org/wiki/Staircase_paradox

    Staircases converging pointwise to the diagonal of a unit square, but not converging to its length. In mathematical analysis, the staircase paradox is a pathological example showing that limits of curves do not necessarily preserve their length. [1]

  9. Rectangle - Wikipedia

    en.wikipedia.org/wiki/Rectangle

    This definition includes both right-angled rectangles and crossed rectangles. Each has an axis of symmetry parallel to and equidistant from a pair of opposite sides, and another which is the perpendicular bisector of those sides, but, in the case of the crossed rectangle, the first axis is not an axis of symmetry for either side that it bisects.

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