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  2. National Achievement Test - Wikipedia

    en.wikipedia.org/wiki/National_Achievement_Test

    The test is a system-based assessment designed to gauge learning outcomes across target levels in identified periods of basic education. Empirical information on the achievement level of pupils/students serve as a guide for policy makers, administrators, curriculum planners, principles, and teachers, along with analysis on the performance of regions, divisions, schools, and other variables ...

  3. Buffer solution - Wikipedia

    en.wikipedia.org/wiki/Buffer_solution

    A buffer solution is a solution where the pH does not change significantly on dilution or if an acid or base is added at constant temperature. [1] Its pH changes very little when a small amount of strong acid or base is added to it. Buffer solutions are used as a means of keeping pH at a nearly constant value in a wide variety of chemical ...

  4. 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.

  5. Junior Engineering Technical Society - Wikipedia

    en.wikipedia.org/wiki/Junior_Engineering...

    This competition is taken part by each participating school in a regional competition; the scores at that date determine the standings at the regional, state, and national levels. There are six school divisions, one home division, one group division, and two levels (9th/10th-grade level & 11th/12th-grade level).

  6. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    Mathematics has a remarkable ability to cross cultural boundaries and time periods. As a human activity, the practice of mathematics has a social side, which includes education, careers, recognition, popularization, and so on.

  7. Spaced repetition - Wikipedia

    en.wikipedia.org/wiki/Spaced_repetition

    When a pair is due to be reviewed, the question is displayed on a screen, and the user must attempt to answer. After answering, the user manually reveals the answer and then tells the program (subjectively) how difficult answering was. The program schedules pairs based on spaced repetition algorithms. Without a computer program, the user has to ...

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. PH (complexity) - Wikipedia

    en.wikipedia.org/wiki/PH_(complexity)

    PH contains almost all well-known complexity classes inside PSPACE; in particular, it contains P, NP, and co-NP. It even contains probabilistic classes such as BPP [2] (this is the Sipser–Lautemann theorem) and RP. However, there is some evidence that BQP, the class of problems solvable in polynomial time by a quantum computer, is not ...

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