CN204965830U - Primary school's mathematics adds subtraction teaching and uses presentation device - Google Patents
Primary school's mathematics adds subtraction teaching and uses presentation device Download PDFInfo
- Publication number
- CN204965830U CN204965830U CN201520734511.6U CN201520734511U CN204965830U CN 204965830 U CN204965830 U CN 204965830U CN 201520734511 U CN201520734511 U CN 201520734511U CN 204965830 U CN204965830 U CN 204965830U
- Authority
- CN
- China
- Prior art keywords
- box body
- district
- runner
- primary school
- symbol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Displays For Variable Information Using Movable Means (AREA)
Abstract
The utility model discloses a primary school's mathematics adds subtraction teaching and uses presentation device, including the box body, the digital display frame of four horizontal single -row layouts is offered to the front side of box body, and ten digital cards of 0 -9 are evenly installed on the circumference of runner, and the runner passes through adjustment mechanism and rotates the regulation, and the operational sign district is provided with addition symbol and subtraction symbol, and the symbol district is provided with the number of equaling symbol as a result, and the box body upside still is provided with a three section of thick bamboo and the little ball of holding, and the preceding lateral wall below of box body still is provided with writes the district. The utility model discloses think about ingenious, novel structure, convenient to use, effectively having increased interactive and interesting between mr and the student, having flourished the classroom atmosphere, the help student understands and the memory, has improved the quality of instruction, has the fine value of using widely.
Description
Technical field
The utility model relates to teaching aid technical field, specifically a kind of primary school mathematics plus-minus method demonstration device for teaching.
Background technology
In primary school math teaching, especially during primary grades, the computing of main exercise plus-minus method, signed magnitude arithmetic(al) be after the basis of learning mathematics knowledge, the basis of various computing all needs to be converted into arithmetic, so its skill level is closely related with mathematical ability.But in traditional primary school math teaching, teacher is directly undertaken explaining and imparting knowledge to students by the mode that chalk is set a question on blackboard, cause that teaching process is slow, student whispers to each other and distractive situation occurs, interactive and the interest that this mode is imparted knowledge to students is not good, is unfavorable for memory and the study of pupil.
Utility model content
The purpose of this utility model is to provide a kind of primary school mathematics plus-minus method demonstration device for teaching, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of primary school mathematics plus-minus method demonstration device for teaching, comprise box body, the front side of described box body offers the numerical monitor frame of four horizontal single-row layout, display digital card in described numerical monitor frame, 0-9 ten digital cards are evenly arranged on runner circumferentially, described runner is rotated by governor motion and regulates, described governor motion comprises rotating shaft, described rotating shaft is connected with runner and rearward end is stretched out outside box body, thumb wheel to be socketed in rotating shaft and to be arranged in box body, handle is arranged on rotating shaft rearward end, described thumb wheel lateral wall is evenly provided with ten the triangle moving teeth corresponding with runner, triangle latch and moving tooth with the use of and be arranged on the roof of box body, sign of operation district is provided with between the digital display box in two, left side on described box side wall, described sign of operation district is provided with add character and minus sign, add character is provided with slidably overhead gage, minus sign is provided with slidably lower baffle plate, be provided with outcome symbol district between the digital display box in two, right side on described box side wall, described outcome symbol district is provided with the number of equaling symbol, also be provided with three accommodation tubes and little ball on the upside of described box body, three accommodation tubes are corresponding is respectively arranged on position directly over numerical monitor frame, and the upper end of described accommodation tube is hatch frame, also be provided with below the front side wall of described box body and write district.
As further program of the utility model: described little ball adopts transparent material to make.
As the utility model further scheme: the internal circuit of described little ball is connected with button cell, pressure switch and LED.
As the utility model further scheme: described in write in district clipboard be installed.
Compared with prior art, the beneficial effects of the utility model are: the utility model is skillfully constructed, novel structure, easy to use; Governor motion makes Mathematical Calculations show at box surface intuitively; Teacher can drive student that little ball is put into accommodation tube simultaneously, visual in image expression computing demonstration; Board can encourage to drive pupil to write out operation expression according to the computing situation seen; If need pupil to calculate addition, then rotate lower baffle plate minus sign is hidden, if need pupil to calculate subtraction, then rotate overhead gage add character to be hidden, convenient and practical, what effectively increase between teacher and student is interactive and interesting, enliven classroom atmosphere, help student to understand and memory, improve quality of instruction, have good value for applications.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of primary school mathematics plus-minus method demonstration device for teaching.
Fig. 2 is the side structure schematic diagram of governor motion in a kind of primary school mathematics plus-minus method demonstration device for teaching.
Fig. 3 is the interior section structural representation of box body in a kind of primary school mathematics plus-minus method demonstration device for teaching.
Fig. 4 is the position view of digital card and rotating shaft in a kind of primary school mathematics plus-minus method demonstration device for teaching.
In figure: 1-box body, 2-write district, 3-accommodation tube, the little ball of 4-, 5-sign of operation district, 6-outcome symbol district, 7-numerical monitor frame, 8-overhead gage, 9-lower baffle plate, 10-clipboard, 11-rotating shaft, 12-thumb wheel, 13-triangle latch, 14-triangle moving tooth, 15-digital card, 16-runner, 17-handle.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-4, in the utility model embodiment, a kind of primary school mathematics plus-minus method demonstration device for teaching, comprise box body 1, the front side of described box body 1 offers the numerical monitor frame 7 of four horizontal single-row layout, display digital card 15 in described numerical monitor frame 7, 0-9 ten digital cards 15 are evenly arranged on runner 16 circumferentially, described runner 16 is rotated by governor motion and regulates, described governor motion comprises rotating shaft 11, described rotating shaft 11 is connected with runner 16 and rearward end is stretched out outside box body 1, thumb wheel 12 to be socketed in rotating shaft 11 and to be arranged in box body 1, handle 17 is arranged on rotating shaft 11 rearward end, described thumb wheel 12 lateral wall is evenly provided with ten the triangle moving teeth 14 corresponding with runner 16, triangle latch 13 and moving tooth 14 with the use of and be arranged on the roof of box body 1.
Sign of operation district 5 is provided with between the digital display box 7 in two, left side on described box body 1 sidewall, described sign of operation district 5 is provided with add character and minus sign, add character is provided with slidably overhead gage 8, minus sign is provided with slidably lower baffle plate 9, is used for blocking add character and minus sign respectively; Be provided with outcome symbol district 6 between the digital display box 7 in two, right side on described box body 1 sidewall, described outcome symbol district 6 is provided with the number of equaling symbol.
In order to more visual in image expression calculating process, three accommodation tubes 3 and little ball 4 is also provided with on the upside of described box body 1, three accommodation tubes 3 are corresponding is respectively arranged on position directly over numerical monitor frame 7, the upper end of described accommodation tube 3 is hatch frame, described little ball 4 adopts transparent material to make and its internal circuit is connected with button cell, pressure switch and LED, and little ball 4 is chosen respective numbers according to computing situation and is placed in described accommodation tube 3; Also be provided with below the front side wall of described box body 1 and write district 2, described in write in district 2 clipboard 10 be installed, clipboard 10 can encourage to drive pupil to write out operation expression according to the computing situation seen, results of learning can be better.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
1. a primary school mathematics plus-minus method demonstration device for teaching, comprise box body (1), it is characterized in that, the front side of described box body (1) offers the numerical monitor frame (7) of four horizontal single-row layout, display digital card (15) in described numerical monitor frame (7), 0-9 ten digital cards (15) are evenly arranged on runner (16) circumferentially, described runner (16) is rotated by governor motion and regulates, described governor motion comprises rotating shaft (11), described rotating shaft (11) is connected with runner (16) and rearward end stretches out box body (1) outward, thumb wheel (12) is socketed in rotating shaft (11) and goes up and be arranged in box body (1), handle (17) is arranged on rotating shaft (11) rearward end, described thumb wheel (12) lateral wall is evenly provided with ten the triangle moving teeth (14) corresponding with runner (16), triangle latch (13) and moving tooth (14) with the use of and be arranged on the roof of box body (1), sign of operation district (5) is provided with between the digital display box (7) of two, left side on described box body (1) sidewall, described sign of operation district (5) is provided with add character and minus sign, add character is provided with slidably overhead gage (8), minus sign is provided with slidably lower baffle plate (9), be provided with outcome symbol district (6) between the digital display box (7) of two, right side on described box body (1) sidewall, described outcome symbol district (6) is provided with the number of equaling symbol, described box body (1) upside is also provided with three accommodation tubes (3) and little ball (4), three accommodation tubes (3) respectively correspondence are arranged on position directly over numerical monitor frame (7), and the upper end of described accommodation tube (3) is hatch frame, also be provided with below the front side wall of described box body (1) and write district (2).
2. a kind of primary school mathematics plus-minus method demonstration device for teaching according to claim 1, is characterized in that, described little ball (4) adopts transparent material to make.
3. a kind of primary school mathematics plus-minus method demonstration device for teaching according to claim 1, is characterized in that, the internal circuit of described little ball (4) is connected with button cell, pressure switch and LED.
4. a kind of primary school mathematics plus-minus method demonstration device for teaching according to claim 1, is characterized in that, described in write in district (2) clipboard (10) be installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520734511.6U CN204965830U (en) | 2015-09-22 | 2015-09-22 | Primary school's mathematics adds subtraction teaching and uses presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520734511.6U CN204965830U (en) | 2015-09-22 | 2015-09-22 | Primary school's mathematics adds subtraction teaching and uses presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204965830U true CN204965830U (en) | 2016-01-13 |
Family
ID=55060880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520734511.6U Expired - Fee Related CN204965830U (en) | 2015-09-22 | 2015-09-22 | Primary school's mathematics adds subtraction teaching and uses presentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204965830U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564371A (en) * | 2016-03-08 | 2018-01-09 | 刘乐凝 | One kind plus-minus learning device |
| CN107705670A (en) * | 2017-11-13 | 2018-02-16 | 王孝庆 | A kind of primary school math teaching device |
| CN109147485A (en) * | 2018-08-23 | 2019-01-04 | 深圳点猫科技有限公司 | A kind of hybrid operation interactive teaching and learning method based on game education, electronic equipment |
| CN109285424A (en) * | 2018-09-28 | 2019-01-29 | 徐德芳 | A kind of mathematical computations teaching aid |
| CN111145615A (en) * | 2020-02-07 | 2020-05-12 | 王中亚 | Multifunctional arithmetic teaching aid |
-
2015
- 2015-09-22 CN CN201520734511.6U patent/CN204965830U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564371A (en) * | 2016-03-08 | 2018-01-09 | 刘乐凝 | One kind plus-minus learning device |
| CN107705670A (en) * | 2017-11-13 | 2018-02-16 | 王孝庆 | A kind of primary school math teaching device |
| CN107705670B (en) * | 2017-11-13 | 2020-06-09 | 丁文铃 | Primary school mathematics teaching device |
| CN109147485A (en) * | 2018-08-23 | 2019-01-04 | 深圳点猫科技有限公司 | A kind of hybrid operation interactive teaching and learning method based on game education, electronic equipment |
| CN109285424A (en) * | 2018-09-28 | 2019-01-29 | 徐德芳 | A kind of mathematical computations teaching aid |
| CN111145615A (en) * | 2020-02-07 | 2020-05-12 | 王中亚 | Multifunctional arithmetic teaching aid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204965830U (en) | Primary school's mathematics adds subtraction teaching and uses presentation device | |
| CN206400796U (en) | The exhibiting device that financial Teaching reform is used | |
| CN205862653U (en) | A kind of economic statistics teaching statistical data bar diagram exhibiting device | |
| CN206733888U (en) | One kind rotation hand propelled secondary modern school mathematics is given lessons with board of education instrument | |
| CN202563753U (en) | Primary school mathematics demonstrator | |
| CN204599764U (en) | A kind of lectern of college English teachers teaching | |
| CN204010425U (en) | A kind of primary school mathematics apparatus for demonstrating | |
| CN207924929U (en) | A kind of mathematical operation teaching exercise device | |
| CN206574337U (en) | A kind of mechanical demonstration teaching aid of lever principle | |
| CN203311683U (en) | Operational display device for primary school mathematical education | |
| CN205068912U (en) | Mathematical education display unit of primary school utensil | |
| CN202058339U (en) | Primary school mathematics addition and subtraction demonstration device | |
| CN209591210U (en) | A kind of primary school math teaching displaying device | |
| CN208689802U (en) | A kind of teaching aid | |
| CN207765020U (en) | A kind of primary school mathematics plus-minus method instructional device | |
| Wei | VR Teaching of New Energy Vehicles | |
| CN202523263U (en) | Primary school teaching aid | |
| CN201594324U (en) | Mathematics teaching appliance for primary schools | |
| CN208173073U (en) | A kind of primary school mathematics number instruction in drill practice displaying device | |
| CN207264628U (en) | Multifunctional counting box | |
| CN204790675U (en) | Multi -functional learning tools | |
| CN205177222U (en) | Primary school's teaching is with operation demonstration carousel | |
| CN206293030U (en) | A kind of mathematics teaching aid for the training of long number addition | |
| Gu et al. | Potential uses of computer to enhance reform of mathematics teaching | |
| CN203588484U (en) | Novel teaching board for computer teaching |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20160922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |