2019
DOI: 10.20396/zet.v27i0.8654092
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Observação e experiência como fio condutor da Geometria de Heitor Lyra da Silva

Abstract: O artigo analisa o livro didático Geometria (Observação e Experiência), publicado em 1923 por Heitor Lyra da Silva, para o ensino primário. O objetivo desta pesquisa de cunho documental é caracterizar a proposta modernizadora do autor, identificando elementos que a aproximem ou distanciem de referências estrangeiras em voga à época, tendo em conta a transferência de saberes e sua circulação internacional. As palavras-chave “observação e experiência” caracterizam sua proposta de ensino para a Geometria e estão … Show more

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Cited by 3 publications
(4 citation statements)
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“…Calkins states that "the existence of the (mathematical) notion in the spirit arises from the perception of the similarities and differences between objects" (Calkins, 1886, p. 2). It brings fictional dialogues between teacher and students always based on observations and experience (Silva;. When dealing with lines, he suggests to the students an experiment of connecting two different points, with a straight line, with a curve and a broken line, as shown in figure 1.…”
Section: The Inclusion Of Geometric Concepts Was Recommended By Fröbelmentioning
confidence: 99%
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“…Calkins states that "the existence of the (mathematical) notion in the spirit arises from the perception of the similarities and differences between objects" (Calkins, 1886, p. 2). It brings fictional dialogues between teacher and students always based on observations and experience (Silva;. When dealing with lines, he suggests to the students an experiment of connecting two different points, with a straight line, with a curve and a broken line, as shown in figure 1.…”
Section: The Inclusion Of Geometric Concepts Was Recommended By Fröbelmentioning
confidence: 99%
“…(Prestes, 1895, p. 55) In 1923, Heitor Lyra da Silva, an engineer and professor of mathematics, published the book Geometria (Observação e Experiência). The word experience, which he uses in the book's title, appears in proposed activities, which can be exemplified as follows: to draw a right angle, he proposes using a carpenter's instrument or making folds on a sheet of paper; to build a pyramid, he suggests drawing a square on the ground, tracing the diagonals and placing a pole at the central point, driving four stakes into the vertices and covering everything with a canvas cloth -this is how the camping tent is formed; draw a circle, as gardeners do when building circular beds, using a stake and a string, calculate the area of any figure by means of a sensitive scale and cardboard; use graph paper to find approximate areas of figures; calculate the volume of any body, using a graduated cylinder and water; calculate the height of a tree, driving a stake into the ground and comparing the shadow of the tree with that of the stake, by the similarity of triangles (Silva;Silva, 2018).…”
Section: Figurementioning
confidence: 99%
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“…Excessive exploitation of the environment for energy production could lead to the depletion of natural resources in the next 50 years [1]. Most current forms of energy production cause environmental problems, resulting in health risks and reduced quality of life [2].…”
Section: Introductionmentioning
confidence: 99%