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  2. Van Hiele model - Wikipedia

    en.wikipedia.org/wiki/Van_Hiele_model

    In mathematics education, the Van Hiele model is a theory that describes how students learn geometry. The theory originated in 1957 in the doctoral dissertations of Dina van Hiele-Geldof and Pierre van Hiele (wife and husband) at Utrecht University, in the Netherlands. The Soviets did research on the theory in the 1960s and integrated their ...

  3. Principles and Standards for School Mathematics - Wikipedia

    en.wikipedia.org/wiki/Principles_and_Standards...

    Teaching should be appropriate to students' developmental level: Young students should be able to explain the difference between a rectangle and a square, while older students should be able to express more complex reasoning, including simple mathematical proofs. [11] (See van Hiele model.)

  4. Outline of geometry - Wikipedia

    en.wikipedia.org/wiki/Outline_of_geometry

    Van Hiele model - Prevailing theory of how children learn to reason in geometry; Astronomy; Computer graphics; Image analysis; Robot control; The Strähle construction is used in the design of some musical instruments. Burmester's theory for the design of mechanical linkages

  5. Developmental stage theories - Wikipedia

    en.wikipedia.org/wiki/Developmental_stage_theories

    Three childhood phases (conception to 21 years) are followed by three stages of development of the ego (21–42 years), concluding with three stages of spiritual development (42-63). The theory is applied in Waldorf education [15] Clare W. Graves (b.1914) developed an emergent cyclical levels of existence theory.

  6. JuJu Watkins is a model for young players not only for her ...

    www.aol.com/juju-watkins-model-young-players...

    Watkins’ assists are also slightly up (3.9. to 3.3.) this season. When you watch her on court, or away from it, you can see her connection with her teammates.

  7. Senior FBI leaders ordered to retire, resign or be fired by ...

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    At least six senior FBI leaders have been ordered to retire, resign or be fired by Monday, according to sources briefed on the matter, extending a purge that began last week at the Justice ...

  8. Maine high court strikes down law that allowed lawsuits for ...

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    The Maine Supreme Judicial Court overturned a 2021 law that had paved the way for dozens of child sexual assault lawsuits.

  9. Graves's emergent cyclical levels of existence - Wikipedia

    en.wikipedia.org/wiki/Graves's_emergent_cyclical...

    Graves used a variety of names for his theory during his lifetime, ranging from the generic Levels of Human Existence in his earlier work [5] to lengthy names such as Emergent Cyclical, Phenomenological, Existential Double-Helix Levels of Existence Conception of Adult Human Behavior (1978) and Emergent Cyclical Double-Helix Model of the Adult Bio-Pyscho-Social Behaviour (1981).