CN201063210Y - Device for demonstrating journey question - Google Patents
Device for demonstrating journey question Download PDFInfo
- Publication number
- CN201063210Y CN201063210Y CNU2007200258803U CN200720025880U CN201063210Y CN 201063210 Y CN201063210 Y CN 201063210Y CN U2007200258803 U CNU2007200258803 U CN U2007200258803U CN 200720025880 U CN200720025880 U CN 200720025880U CN 201063210 Y CN201063210 Y CN 201063210Y
- Authority
- CN
- China
- Prior art keywords
- demonstration
- slide rail
- arrowheads
- arrow
- stroke
- 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
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Abstract
The utility model discloses a demonstrator of stroke problems and belongs to a math teaching aid, in particular to a teaching aid with demonstrating stroke problems as the characteristic. The demonstrator has the following structure: a dump rail is arranged on a demonstration board with a base; two gliding arrowheads are arranged on the dump rail; the direction of the arrowheads can rotate; a slide block is arranged between two arrowheads; a graduated scale is arranged on the upper part of the dump rail. As the demonstration board of the stroke problem demonstrator provided by the utility model is provided with the dump rail, the graduated scale, the arrowheads and the slide block; various stroke problems can be demonstrated conveniently through moving the arrowheads and the results are deduced. The stroke problem demonstrator is convenient in operation and intuitive in demonstration and can achieve the aim that students rapidly understand and analyze various stroke problems.
Description
Technical field
The utility model belongs to a kind of mathematics teaching aid, particularly demonstrates the teaching aid that route problem is characteristics.
Background technology
At present in the teaching of route problem, because the route problem classification is thinner, change morely, require the student that dynamic process is deduced and reasoning, be emphasis and difficult point problem that math problems is imparted knowledge to students always.Teaching method commonly used is to draw line chart on blackboard, and the shortcoming of existence is to demonstrate not intuitively, can not reach the purpose that allows the student understand and analyze all kinds of route problems faster.
The utility model content
The purpose of this utility model provides the technical scheme of route problem demonstration device that can the various route problems of ocular demonstration.
The technical solution of the utility model is that the route problem demonstration device is characterized in that: the demonstration board of band base, a slide rail is arranged on the demonstration board, two arrows that can slide are arranged on the slide rail, the direction of arrow can be rotated, between two arrows a slide block is arranged, a rule is arranged above slide rail.
Described route problem demonstration device is, with former slide rail and show another slide rail, slide block and arrow arranged on the slide rail on demonstration board, and the direction of arrow can be rotated.
Described route problem demonstration device is to place baffle plate on the demonstration board.
When the meet problem of demonstration in the route problem, the direction of arrow on the slide rail is adjusted into relatively and go, and according to concrete the meaning of the question, the position of mobile two arrows, the position with slide block mark two arrows meet can ocular demonstration go out the result.
When the dorsad motion problems of demonstration in the route problem, according to concrete the meaning of the question, the slide block on the slide rail is placed on the starting point of two arrows, and is adjusted into two directions of arrow opposing and go, mobile dorsad two arrows, but ocular demonstration goes out the result.
When the motion problems in the same way in the demonstration route problem, according to concrete the meaning of the question, adjust the position and the direction of two slide rail upward arrows up and down, move two arrows in the same way, but ocular demonstration goes out the result.
When the demonstration route problem, can block the slide rail that does not have utilization with baffle plate, outstanding demonstration theme, and avoid the student to misread.
The beneficial effects of the utility model are: owing on the demonstration board of the route problem demonstration device that the utility model provides slide rail, rule, arrow and slide block are arranged, can pass through mobile arrow, demonstrate all kinds of route problems easily, and derive the result.This stroke problem demonstration device handled easily, demonstrating visual can reach the purpose that allows the student understand and analyze all kinds of route problems faster.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model,
Among the figure, 1. demonstration board, 2. base, 3. slide rail, slide rail on 31., 4. rule, 5. left arrow, 6. right arrow, 7. slide block, 8. upward arrow, 9. top shoe, 10 baffle plates.
Embodiment
Embodiment of the present utility model is, as shown in the figure:
Claims (3)
1. route problem demonstration device is characterized in that: the demonstration board of band base, a slide rail is arranged on the demonstration board, and two arrows that can slide are arranged on the slide rail, the direction of arrow can be rotated, and between two arrows a slide block is arranged, and a rule is arranged above slide rail.
2. route problem demonstration device according to claim 1 is characterized in that: with former slide rail and show another slide rail, slide block and arrow are arranged on the slide rail on demonstration board, the direction of arrow can be rotated.
3. route problem demonstration device according to claim 1 and 2 is characterized in that: place baffle plate on the demonstration board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200258803U CN201063210Y (en) | 2007-08-02 | 2007-08-02 | Device for demonstrating journey question |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200258803U CN201063210Y (en) | 2007-08-02 | 2007-08-02 | Device for demonstrating journey question |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201063210Y true CN201063210Y (en) | 2008-05-21 |
Family
ID=39451594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200258803U Expired - Fee Related CN201063210Y (en) | 2007-08-02 | 2007-08-02 | Device for demonstrating journey question |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201063210Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956092A (en) * | 2014-05-10 | 2014-07-30 | 周维保 | Encounter word problem presentation device |
-
2007
- 2007-08-02 CN CNU2007200258803U patent/CN201063210Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956092A (en) * | 2014-05-10 | 2014-07-30 | 周维保 | Encounter word problem presentation device |
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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: 20080521 |