CN201340662Y - Intelligent arithmetic card - Google Patents
Intelligent arithmetic card Download PDFInfo
- Publication number
- CN201340662Y CN201340662Y CNU2009200019799U CN200920001979U CN201340662Y CN 201340662 Y CN201340662 Y CN 201340662Y CN U2009200019799 U CNU2009200019799 U CN U2009200019799U CN 200920001979 U CN200920001979 U CN 200920001979U CN 201340662 Y CN201340662 Y CN 201340662Y
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- fan
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- lamellar body
- shaped lamellar
- cartoon
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Abstract
The utility model discloses a child intellectual development teaching aid, in particular to an intelligent arithmetic card. The intelligent arithmetic card comprises one group or a plurality of groups of fan-shaped plates which have same radius and have the centre angle degrees of 36 degrees, 72 degrees, 108 degrees, 144 degrees, 180 degrees, 216 degrees, 252 degrees, 288 degrees, 324 degrees and 360 degrees. The intelligent arithmetic card has the beneficial effects that the design is rational, the structure is simple, abstract numbers can be represented with fan shapes with different centre angle degrees, number operation can be finished through combination of cards to obtain keys, and the intelligent arithmetic card is audio-visual and visualized, has rapid calculation speed, and enables children to know carry and abdication principles in arithmetic easily.
Description
Technical field
The utility model relates to a kind of children's intelligence exploitation teaching aid, particularly a kind of intelligent arithmetic card.
Background technology
Number is abstract, not having concrete shape, in the arithmetic teaching practice, all is that abstract number is changed into concrete material object generally, carry out arithmetic teaching with the mode of number number then, for example the primary school mathematics matching teaching tool is exactly the calculating that the method for single several waddys allows child learn number, and its weak point is the number that material object will be one by one, particularly when the advance and retreat position is arranged in the arithmetic, not only speed is slow, and visual pattern not, children's indigestion causes a lot of difficulties thereby learn arithmetic to children.
Summary of the invention
Problem to be solved in the utility model is: provide a kind of visual pattern, computing velocity to allow children understand the intelligent arithmetic card of advance and retreat position principle in the arithmetic soon and easily.
In order to solve the problems of the technologies described above, intelligent arithmetic card of the present utility model comprises that one or more groups central angle number of degrees are different fan-shaped lamellar bodies, and every group of fan-shaped lamellar body comprises the fan-shaped lamellar body of sequence number 1-9 as shown in the table or 1-10:
| Sequence number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| The central angle number of degrees | 36° | 72° | 108° | 144° | 180 | 216° | 252° | 288° | 324° | 360° |
Intelligent arithmetic card of the present utility model, described fan-shaped lamellar body is provided with markings every 36 °.
Intelligent arithmetic card of the present utility model is equipped with a number sign and pastes on the described every fan-shaped lamellar body, the numeral on this numeral labeling is merchant maybe this merchant's 10 multiples or 100 multiples of these fan-shaped lamellar body central angle number of degrees and 36 °.
Intelligent arithmetic card of the present utility model, the relative limit of per 36 ° of central angles is camber line limit or straight line on the described fan-shaped lamellar body.
Intelligent arithmetic card of the present utility model also is provided with the cartoon labeling on the fan-shaped lamellar body, the number of this cartoon labeling is identical with described merchant's numerical value.
Intelligent arithmetic card of the present utility model, the pattern on the described cartoon labeling are cartoon tiger, cartoon lion or cartoon elephant.
The beneficial effect that the utility model is obtained is: one, can express abstract number with the different central angle number of degrees fan-shaped; Two, just can finish several computings by the splicing of card, draw answer; Three, can visual pattern, computing velocity allows children understand advance and retreat position principle in the arithmetic soon and easily.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the structural representation of embodiment 2.
Among the figure: 1, fan-shaped lamellar body, 2, markings, 3, the cartoon labeling, 4, digital labeling.
Embodiment
Embodiment 1
As shown in Figure 1, the intelligent arithmetic card of present embodiment comprises that two groups of central angle number of degrees are different fan-shaped lamellar bodies 1, and every group of fan-shaped lamellar body 1 comprises the fan-shaped lamellar body 1 of sequence number 1-10 as shown in the table:
| Sequence number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| The central angle number of degrees | 36° | 72° | 108° | 144° | 180° | 216° | 252° | 288° | 324° | 360° |
Described fan-shaped lamellar body 1 is provided with markings 2 every 36 °; Be equipped with a number sign on the described every fan-shaped lamellar body 1 and paste 4; Also be provided with cartoon labeling 3 on the described fan-shaped lamellar body 1, the number of this cartoon labeling 3 is identical with described merchant's numerical value; Numeral on one group of fan-shaped lamellar body 1 on the digital labeling 4 is the merchant of these fan-shaped lamellar body 1 central angle number of degrees and 36 °, and the pattern on this fan-shaped lamellar body 1 on the cartoon labeling 3 is the cartoon tiger; Numeral on other one group of fan-shaped lamellar body 1 on the digital labeling 4 is the merchant's of the central angle number of degrees and 36 ° 10 multiples, and the pattern on the cartoon labeling 3 is the cartoon lion; The relative limit of per 36 ° of central angles is the camber line limit on the described fan-shaped lamellar body 1.
When carrying out arithmetical operation, for example " 2 "+" 3 ", at first will have the fan-shaped lamellar body 1 of numeral " 2 " is stitched together with the fan-shaped lamellar body 1 that has numeral " 3 ", the back number of degrees of formation that are stitched together are that 180 degree are fan-shaped, children one see that shape of these 180 degree expects that very naturally this shape represents 5, promptly obtain " 2 "+conclusion of " 3 "=" 5 ".
For another example, when calculating " 14 "+" 28 ", at first will have the fan-shaped lamellar body 1 of numeral " 10 ", the fan-shaped lamellar body 1 that has numeral " 4 ", the fan-shaped lamellar body that has the fan-shaped lamellar body 1 of numeral " 20 " and have a numeral " 8 " takes out, to have fan-shaped lamellar body 1 splicing of identical cartoon labeling 3 then, the fan-shaped lamellar body 1 that is about to have the fan-shaped lamellar body of numeral " 4 " and have numeral " 8 " is stitched together, and the fan-shaped lamellar body 1 that will have numeral " 10 " is stitched together with the fan-shaped lamellar body 1 that has numeral " 20 "; Owing to have the fan-shaped lamellar body 1 of " 4 " in splicing and have in the fan-shaped lamellar body 1 of numeral " 8 ", the figure that draws is the fan-shaped of a full circle and overlapping 72 degree, this full circle just representative is " 10 ", the fan-shaped parts of overlapping 72 degree are exactly " 2 " of the answer that will calculate, the number that full circle " 10 " is added the fan-shaped lamellar body 1 that has numeral " 10 " and is stitched together and draws the fan-shaped lamellar body 1 that has numeral " 20 " comes to " 40 "; , promptly obtain " 14 "+" 28 "=" 42 ".
In like manner, in the subtraction of giving up the throne, for example " 15 "-" 8 " will represent that at first the fan-shaped lamellar body of number " 2 " and expression number " 8 " is combined into a full circle of expression " 10 ", represents " 15 " altogether with the fan-shaped lamellar body of expression number " 5 " again.Subtracting " 8 " is exactly that the fan-shaped lamellar body that will represent number " 8 " is taken away, and the fan-shaped lamellar body of the fan-shaped lamellar body that will represent number " 2 " again and expression number " 5 " is stitched together and has been combined into the fan-shaped of 252 degree, this fan-shaped expression be exactly poor " 7 ".The full circle of being made up of " 2 " and " 8 " " 10 " has not just had, and 10 the principle of will why will giving up the throne has so just shown.
As shown in Figure 2, the intelligent arithmetic card of present embodiment comprises that three groups of radiuses equate, the central angle number of degrees are different fan-shaped lamellar bodies 1, and every group of fan-shaped lamellar body 1 comprises the fan-shaped lamellar body 1 of sequence number 1-9 as shown in the table:
| Sequence number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| The central angle number of degrees | 36° | 72° | 108 ° | 144 ° | 180 ° | 216 ° | 252 ° | 288 ° | 324 ° | 360 ° |
The relative limit of per 36 ° of central angles is a straight line on the described fan-shaped lamellar body 1; Numeral on one group of fan-shaped lamellar body 1 on the digital labeling 4 is the merchant of these fan-shaped lamellar body 1 central angle number of degrees and 36 °, and the pattern on this fan-shaped lamellar body 1 on the cartoon labeling 3 is the cartoon tiger; Numeral on second group of fan-shaped lamellar body 1 on the digital labeling 4 is the merchant's of the central angle number of degrees and 36 ° 10 multiples, and the pattern on the cartoon labeling 3 is the cartoon lion; Numeral on the 3rd group of fan-shaped lamellar body 1 on the digital labeling 4 is the merchant's of the central angle number of degrees and 36 ° 100 multiples, and the pattern on the cartoon labeling 3 is the cartoon elephant; The color of described fan-shaped card 1 is respectively that sequence number 1 is identical with the card color of sequence number 9, sequence number 2 and sequence number 8, sequence number 3 and sequence number 7, sequence number 4 and sequence number 6.Other structure and with substantially the same manner as Example 1.
Claims (6)
1, a kind of intelligent arithmetic card is characterized in that: comprise that one or more groups radius equates, central angle is different fan-shaped lamellar body (1), every group of fan-shaped lamellar body (1) comprises the fan-shaped lamellar body (1) of sequence number 1-9 as shown in the table or 1-10:
2, intelligent arithmetic card according to claim 1, it is characterized in that: described fan-shaped lamellar body (1) is provided with markings (2) every 36 °.
3, intelligent arithmetic card according to claim 1, it is characterized in that: be equipped with a number sign on the described every fan-shaped lamellar body (1) and paste (4), the numeral on this numeral labeling (4) is this fan-shaped lamellar body (1) central angle number of degrees and 36 ° merchant these 10 multiples or 100 multiples of discussing maybe.
4, intelligent arithmetic card according to claim 1 is characterized in that: it is camber line limit or straight line that described fan-shaped lamellar body (1) is gone up the relative limit of per 36 ° of central angles.
5, according to each described intelligent arithmetic card of claim 1-4, it is characterized in that: also be provided with cartoon labeling (3) on the described fan-shaped lamellar body (1), the number of this cartoon labeling (3) is identical with described merchant's numerical value.
6, intelligent arithmetic card according to claim 5 is characterized in that: the pattern on the described cartoon labeling (3) is cartoon tiger, cartoon lion or cartoon elephant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200019799U CN201340662Y (en) | 2009-01-06 | 2009-01-06 | Intelligent arithmetic card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200019799U CN201340662Y (en) | 2009-01-06 | 2009-01-06 | Intelligent arithmetic card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201340662Y true CN201340662Y (en) | 2009-11-04 |
Family
ID=41236205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200019799U Expired - Fee Related CN201340662Y (en) | 2009-01-06 | 2009-01-06 | Intelligent arithmetic card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201340662Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590504A (en) * | 2016-02-15 | 2016-05-18 | 余启佳 | Intelligence development magnetic card for multiplying 44 and 444 by one-digit number |
| CN105869476A (en) * | 2016-06-07 | 2016-08-17 | 张阳 | Decimal system Xiang Shu counting system |
-
2009
- 2009-01-06 CN CNU2009200019799U patent/CN201340662Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590504A (en) * | 2016-02-15 | 2016-05-18 | 余启佳 | Intelligence development magnetic card for multiplying 44 and 444 by one-digit number |
| CN105869476A (en) * | 2016-06-07 | 2016-08-17 | 张阳 | Decimal system Xiang Shu counting system |
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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: 20091104 Termination date: 20180106 |