CN201780694U - Learning tool for enlightening mathematics - Google Patents
Learning tool for enlightening mathematics Download PDFInfo
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- CN201780694U CN201780694U CN2010200037395U CN201020003739U CN201780694U CN 201780694 U CN201780694 U CN 201780694U CN 2010200037395 U CN2010200037395 U CN 2010200037395U CN 201020003739 U CN201020003739 U CN 201020003739U CN 201780694 U CN201780694 U CN 201780694U
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- fan
- shaped lamellar
- lamellar body
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Abstract
The utility model discloses a learning tool for developing the intelligence of children, in particular to a learning tool for enlightening mathematics. The learning tool for enlightening mathematics comprises one or more groups of sector piece bodies which have the same diameter, the central angle of 36 degrees and different colors. The utility model has the benefits as follows: abstract numbers can be expressed by different sectors with the central angle of 36 degrees; the composition and the decomposition of the numbers can be deduced by assembling and disassembling the sector piece bodies to finish the operation of the numbers and obtain the answer; and the principle of carry and abdication can be visually expressed.
Description
Technical field
The utility model relates to a kind of learning aid of intelligence development, particularly a kind of schooling apparatus of infant mathematics initiation.
Background technology
Number is abstract, there is not concrete shape, in teaching to infant mathematics initiation, all is to utilize the method for visual illustration that the child is carried out rudimentary maths initiation generally, for example the supporting learning aid of primary school mathematics is exactly that the method for single several plastics rods is carried out rudimentary maths initiation to the child.Its weak point is a visual pattern not, and material object will just can know it is several behind the number one by one.The described rudimentary maths initiation learning aid of picture Chinese patent ZL200920001979.9 intelligence arithmetic card, the notion visual pattern of logarithm, but the assembling of logarithm and split and can not carry out freely, directly perceived inadequately in demonstration advance and retreat position.Be unfavorable for the understanding and the grasp of the notion of child's logarithm.
Summary of the invention
Problem to be solved in the utility model is: a kind of visual pattern is provided, can realizes that logarithm easily freely assembles and split, helps the understanding of notion of logarithm and the rudimentary maths initiation learning aid of grasp.
In order to solve the problems of the technologies described above, rudimentary maths initiation learning aid of the present utility model is made up of the fan-shaped lamellar bodies that one group of a plurality of central angle number of degrees with many group different colours is 36 degree.
Rudimentary maths initiation learning aid of the present utility model has the protrusion that matches with U-lag one side described each central angle is adjacent have U-lag, the another side in the 36 fan-shaped lamellar bodies of spending, 36 degree angles.
Rudimentary maths initiation learning aid of the present utility model, 36 ° the corresponding limit of central angle is curved side or straight line on the described fan-shaped lamellar body.
Rudimentary maths initiation learning aid of the present utility model all has a cartoon labeling on described each fan-shaped lamellar body.
Rudimentary maths initiation learning aid of the present utility model, the cartoon labeling pattern on the described fan-shaped lamellar body is cartoon tiger, cartoon lion.
The beneficial effect that the utility model is obtained is:
One, can be the shape that the 36 fan-shaped lamellar bodies (curved side) of spending are assembled into the number of 1-10 with the central angle number of degrees.
Two, can be that the 36 fan-shaped lamellar bodies (straight line) of spending and the central angle number of degrees are that the 36 fan-shaped lamellar bodies (curved side) of spending carry out 100 plus and minus calculations with interior number with the central angle number of degrees.
Three, can by assembling and to split the central angle number of degrees be the deduce composition and the decomposition of number of the fan-shaped lamellar bodies of 36 degree;
Four, finish several computings by assembling and splitting fan-shaped lamellar body, draw answer.
Five, visual pattern can and split the principle that fan-shaped lamellar body demonstrates the advance and retreat position intuitively by assembling.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the front view of embodiment 1, and Fig. 2 is the vertical view of embodiment 1.Among the figure: 1, fan-shaped lamellar body, 2, U-lag 3, protrude 4, the cartoon labeling.
Fig. 3 and Fig. 4 are that the limit of the central angle correspondence of 36 degree is the front view and the vertical view of straight line.Among the figure: 1, fan-shaped lamellar body, 2, U-lag 3, protrude 4, the cartoon labeling
Embodiment
As shown in Figure 1 and Figure 2, the rudimentary maths initiation learning aid of present embodiment comprises that 60 central angles are the fan-shaped lamellar body 1 of 36 degree, and per 10 central angles are that the fan-shaped lamellar body 1 of 36 degree is same color, are respectively blue, pink, yellow, green, purple, bright red.
When the child is carried out rudimentary maths initiation, be that the fanning strip body surface of arc shows " number form 1 ", just become " the number form n " that fix after n fan-shaped lamellar body pieced together by U-lag (2) and protrusion (3) the limit of the central angle correspondences of 36 degree shown in Figure 1.As when the initiation of carrying out several 5 understanding, allow the child think " number form 5 " what shape, what color earlier.The child uses one " number form 5 " of 5 color purples " number form 1 " assembling, inspires him to assemble one " number form 5 " with " number form 2 " and " number form 3 " again ...The method of assembling " number form 5 " has 5 kinds.Allow him with " number form 5 " separately again, the child can be divided into " number form 5 " 5 " number forms 1 ", also can be divided into one " number form 2 " and one " number form 3 " ...The child understands 5 meaning in the process of oneself assembling and split " number form 5 " like this.Can finish initiation to the number of 1-10.
When carrying out arithmetical operation, for example " 2 "+" 3 ", at first be one " number form 2 " of fan-shaped lamellar body 1 assembling of 36 degree with two central angles shown in Figure 1, with 3 central angles shown in Figure 1 is one " number form 3 " of fan-shaped lamellar body 1 assembling of 36 degree, " number form 2 " and " number form 3 " is stitched together, forming number of degrees is the semicircle of 180 degree again.The child is once seeing that this semicircle knows that very naturally this shape is exactly a number form 5, promptly obtains " 2 "+conclusion of " 3 "=" 5 ".
In the demonstration add with carry, as " 6 "+" 8 ", at first be one " number form 6 " of fan-shaped lamellar body 1 assembling of 36 degree with 6 central angles shown in Figure 1, with 8 central angles shown in Figure 1 is one " number form 8 " of fan-shaped lamellar body 1 assembling of 36 degree, the notion that adds lumps together " number form 6 " and " number form 8 " exactly, one closes and will produce a circle, " number form 6 " pulled down after two to be stitched together with " number form 8 " form the circles that number of degrees are 360 degree, the child has produced " number form 10 " once seeing that this 360 circle of spending is known, see again after " number form 6 " takes " number form 2 " away and become " number form 4 ", obtained one 10 and 41, promptly obtained " 6 "+conclusion of " 8 "=" 14 ".
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the rudimentary maths initiation learning aid of present embodiment comprises that 60 central angles shown in Figure 1 are fan-shaped lamellar body 1 (arc limit) and 60 fan-shaped lamellar bodies 1 (straight line) that central angle shown in Figure 3 is 36 degree of 36 degree.Per 10 central angles shown in Figure 1 are that the fan-shaped lamellar body 1 of 36 degree is same color, are respectively blue, pink, yellow, green, purple, bright red.Per 10 central angles shown in Figure 3 are that the fan-shaped lamellar body 1 of 36 degree is same color.Be respectively blue, pink, yellow, green, purple, bright red.
When carrying out double-digit calculating, at first inspire the thing of child's identical type just can lump together.In the time of as " 14 "+" 23 ", at first represent " 10 " with 1 fan-shaped lamellar body 1 shown in Figure 3; With 4 fan-shaped lamellar bodies 1 shown in Figure 1 composition " number form 4 " that is stitched together; Express an addend " 14 ".Expression " 20 " again is stitched together two fan-shaped lamellar bodies 2 shown in Figure 3; With 3 fan-shaped lamellar bodies 1 shown in Figure 1 composition " number form 3 " that is stitched together; Express another addend " 23 ".. rebooting the child tiger can only lump together with tiger, and lion can only lump together with lion.The fan-shaped lamellar body that has two lions in the fan-shaped lamellar body that has 1 lion in " 14 " and " 23 " is stitched together formed " 30 ", the fan-shaped lamellar body that has 3 tigers in the fan-shaped lamellar body that has four tigers in " 14 " and " 23 " is stitched together formed " 7 ", draw " 14 "+conclusion of " 23 "=" 37 ".
Claims (3)
1. a rudimentary maths initiation learning aid is characterized in that: comprise that one or more groups radius equates, central angle is the fan-shaped lamellar body (1) of the different colours of 36 degree.
2. rudimentary maths initiation learning aid according to claim 1 is characterized in that: the relative limit of the last 36 ° of central angles of described fan-shaped lamellar body (1) is curved side or straight line.
3. rudimentary maths initiation learning aid according to claim 1 is characterized in that: described central angle be 36 degree fan-shaped lamellar bodies (1) one side last 36 spend angles adjacent U-lag (2), protrusion (3) that another side has to match with U-lag arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200037395U CN201780694U (en) | 2010-01-06 | 2010-01-06 | Learning tool for enlightening mathematics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200037395U CN201780694U (en) | 2010-01-06 | 2010-01-06 | Learning tool for enlightening mathematics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201780694U true CN201780694U (en) | 2011-03-30 |
Family
ID=43793901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200037395U Expired - Fee Related CN201780694U (en) | 2010-01-06 | 2010-01-06 | Learning tool for enlightening mathematics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201780694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882046A (en) * | 2015-06-27 | 2015-09-02 | 黄晓晨 | Early education hand fan |
-
2010
- 2010-01-06 CN CN2010200037395U patent/CN201780694U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882046A (en) * | 2015-06-27 | 2015-09-02 | 黄晓晨 | Early education hand fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Xu Yue Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20180106 |