CN201732494U - Primary school mathematics teaching demonstrator - Google Patents
Primary school mathematics teaching demonstrator Download PDFInfo
- Publication number
- CN201732494U CN201732494U CN2010202749591U CN201020274959U CN201732494U CN 201732494 U CN201732494 U CN 201732494U CN 2010202749591 U CN2010202749591 U CN 2010202749591U CN 201020274959 U CN201020274959 U CN 201020274959U CN 201732494 U CN201732494 U CN 201732494U
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- CN
- China
- Prior art keywords
- primary school
- panel
- teaching
- support
- demonstration
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- 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
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- Electrically Operated Instructional Devices (AREA)
Abstract
The utility model discloses a primary school mathematics teaching demonstrator, which belongs to teaching training aid supplies, wherein the edges of the two sides of a panel are provided with supports, a cross shaft is arranged between the supports, the cross shaft is provided with three cylinders, the cylinders are written with numbers, the panel between the supports is provided with three demonstration holes from left to right, and operational signs and equal signs are respectively arranged between the demonstration holes which are arranged from left to right. The primary school mathematics teaching demonstrator has simple structure, convenient use, simple making and convenient material taking, and is particularly suitable for flange teaching of primary grades.
Description
Technical field:
The utility model belongs to the teaching aid articles for use, particularly the primary school math teaching demonstration device.
Background technology:
In primary school math teaching, mathematics teaching aid is less, so the teacher is when giving lessons, usually need write the formula of various digital addition and subtraction computings on blackboard, adopt the mode of writing, the time has been grown the student and has tended to feel uninteresting, be unfavorable for study, teacher is unusual trouble also.
The utility model content:
The utility model overcomes the deficiency of the problems referred to above, and primary school math teaching demonstration device a kind of simple in structure, easy to use is provided, and this demonstration device is made simple, draws materials conveniently, adapts to the mental arithmetic teaching in the primary school teaching especially.
This primary school math teaching demonstration device be achieved in that the dual-side of panel along on be provided with support, be provided with transverse axis between the support, transverse axis is provided with three cylinders, on the cylinder with numeral; On the panel between the support, be provided with three demonstration holes from left to right, be respectively equipped with the sign of operation and the number of equaling between the demonstration hole from left to right.
Beneficial effect: the utility model is simple in structure, and making easy to use is simple, draws materials conveniently, adapts to the mental arithmetic teaching of primary grades especially.During concrete the use, center on cylinder on three cylinders respectively with numeral, when needs several several or several what time subtracting that add of doing a sum orally, can rotor, numeral on the cylinder is appeared in the demonstration hole, significantly reduce the writing time of teacher on the classroom, increased students'interest in learning, improved teaching efficiency.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model, 1, cylinder 2, panel 3, demonstration hole 4, transverse axis 5, support
Embodiment:
1 embodiment is in conjunction with the accompanying drawings: the primary school math teaching demonstration device, form by panel 2, support 5, transverse axis and cylinder 1, the dual-side of panel 2 along on be provided with support 5, be provided with transverse axis 4 between the support 5, transverse axis 4 is provided with three cylinders 1, on the cylinder 1 with numeral; On the panel between the support 52, be provided with three demonstration holes 3 from left to right, be respectively equipped with the sign of operation and the number of equaling between the demonstration hole 3 from left to right.
Claims (1)
1. primary school math teaching demonstration device, be made up of panel (2), support (5), transverse axis and cylinder (1), feature is: the dual-side of panel (2) along on be provided with support (5), be provided with transverse axis (4) between the support (5), transverse axis (4) is provided with three cylinders (1), and cylinder (1) is gone up with numeral; On the panel (2) between the support (5), be provided with three demonstration holes (3) from left to right, be respectively equipped with the sign of operation and the number of equaling between the demonstration hole (3) from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202749591U CN201732494U (en) | 2010-07-24 | 2010-07-24 | Primary school mathematics teaching demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202749591U CN201732494U (en) | 2010-07-24 | 2010-07-24 | Primary school mathematics teaching demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201732494U true CN201732494U (en) | 2011-02-02 |
Family
ID=43523651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202749591U Expired - Fee Related CN201732494U (en) | 2010-07-24 | 2010-07-24 | Primary school mathematics teaching demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201732494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105913729A (en) * | 2016-06-23 | 2016-08-31 | 董爱满 | Enlightenment teaching aid for kid |
-
2010
- 2010-07-24 CN CN2010202749591U patent/CN201732494U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105913729A (en) * | 2016-06-23 | 2016-08-31 | 董爱满 | Enlightenment teaching aid for kid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20110724 |