Teaching tool for mathematical demonstration
A teaching aid and mathematical technology, applied in the field of demonstration teaching aids, can solve the problems of wasting time, inconvenient use, low work efficiency, etc., and achieve the effect of precise positioning and stable connection
Inactive Publication Date: 2017-02-22
刘佳
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Problems solved by technology
[0003] Existing mathematics teaching demonstrations are often teachers making templates or drawing graphics on the blackboard, which is inconvenient to use, wastes time, and has low work efficiency; moreover, it is difficult for students to understand mathematics teaching demonstrations simply by teachers explaining them. It will make students lose interest in learning and affect their learning progress
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[0033]Below in conjunction with accompanying drawing and embodiment, further elaborate the present invention. In the following detailed description, certain exemplary embodiments of the invention are described by way of illustration only. Needless to say, those skilled in the art would realize that the described embodiments can be modified in various different ways, all without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
[0034] Such as Figure 1 to Figure 9 As shown, the mathematics demonstration teaching aid according to this embodiment includes a base 1, a sliding board 2, a lighting assembly 3, a projection assembly 4 and a lens assembly 5, and the sliding board 2 can move horizontally relative to the base 1, so The light assembly 3, the projection assembly 4 and the lens assembly 5 are fixedly connected in turn, the sliding plate 2 i...
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The invention discloses a teaching tool for mathematical demonstration, comprising a base, a slide plate, a light component, a projection component and a lens component; the slide plate is horizontally moved in relative to the base; the light component, the projection component and the lens component are fixedly connected in order; the light component comprises a front shell and a back shell; one side of the back shell closing to the front shell is provided with a collecting lens, and the collecting lens is connected with the backs hell through several collecting lens fixing pillars; the projection component includes a projection box, an upper cover and a projection plate; the projection plate can cross through a project plate avoiding groove and then put in the projection box and is cooperatively fixed with a first matching chute, a second matching chute, and a lower fixing groove; the lens component includes a lens body and an amplifying lens; one side of the lens body far from the projection component is provided with the amplifying lens. The teaching tool is simple in operation, and the projection angle can be adjusted through rotating a rotation matching gear as well as operating the slide plate. The invention is particularly suitable for widely applying to the mathematical teaching demonstration.
Description
technical field [0001] The invention relates to the technical field of demonstration teaching aids, in particular to a mathematics demonstration teaching aid. Background technique [0002] Mathematics is a subject that studies concepts such as quantity, structure, change, space, and information, and it is a kind of formal science from a certain perspective. Mathematics plays an irreplaceable role in the historical development of human beings and social life, and is also an indispensable basic tool for learning and researching modern science and technology. [0003] Existing mathematics teaching demonstrations are often teachers making templates or drawing graphics on the blackboard, which is inconvenient to use, wastes time, and has low work efficiency; moreover, it is difficult for students to understand mathematics teaching demonstrations simply by teachers explaining them. It will make students lose interest in learning and affect their learning progress. Contents of t...
Claims
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IPC IPC(8): G09B5/02G03B21/00G03B21/14
CPCG03B21/001G03B21/142G03B21/145G09B5/02
Inventor 刘佳
Owner 刘佳