Probability demonstration teaching aid for mathematics teaching

A probability and mathematics technology, applied in the field of probability demonstration teaching aids for mathematics teaching, can solve problems such as affecting teaching quality and insufficient mathematical probability teaching demonstration, and achieve the effect of improving teaching quality, easy and efficient teaching demonstration, and preventing random scrolling.

Inactive Publication Date: 2020-12-11
彭杰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] A probability demonstration teaching aid for mathematics teaching proposed by the present invention solves the p...

Method used

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  • Probability demonstration teaching aid for mathematics teaching
  • Probability demonstration teaching aid for mathematics teaching
  • Probability demonstration teaching aid for mathematics teaching

Examples

Experimental program
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Embodiment 1

[0025] refer to Figure 1-2 , a probability demonstration teaching aid for mathematics teaching, comprising a demonstration box 1, the demonstration box 1 is arranged in two sections, its upper section is arranged in a semicircular shape, and the lower section is arranged in a rectangular shape, and the bottom end of the said demonstration box 1 is fixedly connected There are legs 7, the inside of the demonstration case 1 is fixedly installed with a vertical first partition 5, and the demonstration case 1 is respectively provided with a throwing chamber 2 and a first statistics chamber 3 on both sides of the partition. The side wall of the demonstration case 1 is provided with a throwing hole 4, and the throwing hole 4 is arranged near the side of the throwing chamber 2, and the demonstration case 1 is provided with a projectile device inside the throwing chamber 2, and the bottom of the demonstration case 1 The end is located at the bottom of the first statistical chamber 3 a...

Embodiment 2

[0028] refer to Figure 1-5 , a probability demonstration teaching aid for mathematics teaching, comprising a demonstration box 1, a horizontal plate 20 is fixedly installed on the inner wall of the demonstration box 1, and a second partition 22 is fixedly installed inside the demonstration box 1 below the horizontal plate 20 , and the inner cavity of the demonstration box 1 is located under the horizontal plate 20 and is separated by the second partition 22 with the second statistical chamber 18 and the third statistical chamber 19, and the bottom of the demonstration box 1 is located at the second statistical chamber 18 and the third statistical chamber 19. The bottom of the third statistical chamber 19 is respectively provided with a second material intake 23 and a third material intake 24, and the first material intake 6, the second material intake 23 and the third material intake 24 places are all provided with cover plate, and counters are installed at the second feeding...

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Abstract

The invention discloses a probability demonstration teaching aid for mathematics teaching, and relates to the field of teaching demonstration. Aiming at the problem that the existing mathematics probability teaching demonstration is not perfect enough and affects the teaching quality, the following scheme is proposed: the probability demonstration teaching aid comprises a demonstration box, wherein the demonstration box is arranged in a two-section manner; the upper section of the demonstration box is arranged in a semicircular shape; the lower section of the demonstration box is arranged in arectangular shape; the bottom end of the demonstration box is fixedly connected with supporting legs; the demonstration box is internally fixedly provided with a vertical first partition plate; the demonstration box is provided with a throwing chamber and a first statistical chamber at two sides of the partition plate; the side wall of the demonstration box is provided with a throwing hole; and the throwing hole is arranged close to one side of the throwing chamber. The probability demonstration teaching aid is novel in structure, can enable the teaching demonstration to be more efficient compared with the traditional manual coin throwing mathematics probability demonstration device, facilitates the statistical operation of coins on different surfaces after throwing, and effectively improves the teaching quality.

Description

technical field [0001] The invention relates to the field of teaching demonstration, in particular to a probability demonstration teaching aid for mathematics teaching. Background technique [0002] In the process of explaining mathematical probability courses, in order to facilitate students' understanding, teachers generally prepare some demonstration teaching aids. The most commonly used demonstration teaching aids are coin toss experiments, that is, toss coins randomly for many times, and count the number of times the coin appears on both sides. Due to the more times of coin tossing, the more persuasive the probability event is, the traditional demonstration teaching aids have the following disadvantages: the degree of automation is low. Sorting and statistics can not be completely separated from manpower when using it, and the teaching efficiency will be affected when there are many coin tosses. Therefore, in order to solve such problems, we propose a probability demons...

Claims

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Application Information

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IPC IPC(8): G09B23/02
CPCG09B23/02
Inventor 彭杰
Owner 彭杰
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