CN101853046A - Child abacus - Google Patents
Child abacus Download PDFInfo
- Publication number
- CN101853046A CN101853046A CN 201010170837 CN201010170837A CN101853046A CN 101853046 A CN101853046 A CN 101853046A CN 201010170837 CN201010170837 CN 201010170837 CN 201010170837 A CN201010170837 A CN 201010170837A CN 101853046 A CN101853046 A CN 101853046A
- Authority
- CN
- China
- Prior art keywords
- child
- sliding bar
- digit
- movable
- numerical digit
- 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.)
- Pending
Links
Images
Landscapes
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention relates to the technical field of calculating tools, in particular to a child abacus. The child abacus comprises a square frame, a beam, sliding rods and movable beads, wherein at least three sliding rods penetrates through the beam; 10 movable beams are respectively strung at the upper section and the lower section on each sliding rod which is partitioned by the beam; each movable beam represents 1; the child abacus enables a child to experience the calculation of carrying one decade when reaching ten units, carrying one hundred digit when reaching 10 decades, and the like and helps the child to cognize and master arithmetical calculation; in addition, every two adjacent sliding rods are combined to form a digit area for representing a digit; and the two sliding rods of each digit area are respectively a main digit and an auxiliary digit. The auxiliary digit sliding rod is additionally arranged on the main digit sliding rod for carrying out auxiliary operation, such as borrowing or carry counting, and the like; and the invention enables the child to understand an operation theory easily, is convenient for the child to master the basic operation of a multidigit number, has easy learning, rapid operation and difficult mistaking and improves the learning efficiency of the child.
Description
Technical field:
The present invention relates to the computational tool technical field, refer in particular to child abacus.
Background technology:
At present the abacus that generally uses is made of frame, beam, shelves and bead, and the bead on every grade is divided into upper and lower two parts by beam, above every pearl represent five, below every pearl represent one.Because every pearl represents five above it, this is very abstract concerning children, is difficult to allow the child understand, and particularly the plus and minus calculation of " mending five fifth day of the first lunar month " allows children be difficult to grasp especially.And children are in first immunologing mathematics, for the cognition of number abacus commonly used, but abacus can only cognitive number and is carried out simple algorithm calculations, when the vertical calculating of teaching, the teacher can only write numeral on blackboard, is alignd with a position in a position, ten are alignd with ten, add and subtract then, do not have notion intuitively, the vertical dyscalculia of study for children.
Summary of the invention:
Purpose of the present invention is exactly to provide a kind of at the deficiency of prior art existence can set up the vertical child abacus that carries out fundamental operation, helps children cognition number and grasp algorithm calculations.
To achieve these goals, the technical solution used in the present invention is: child abacus, it comprises square bearer, be located at the crossbeam in the square bearer, be located in the sliding bar on the crossbeam, the movable pearl of slip cap on sliding bar, at least wear three parallel sliding bars on the crossbeam, be separated into each string up and down by crossbeam on every sliding bar two sections of 10 movable pearls are arranged, every adjacent two sliding bars constitute the numerical digit district of a numerical digit of expression, a wherein sliding bar in each numerical digit district is the status of a sovereign that is used to calculate numeration and result, and another root sliding bar is the auxilliary position that is used for borrow or carry counting system.
The quantity of described sliding bar is odd number.
Movable pearl color in adjacent two described numerical digit districts on the sliding bar is inequality.
Movable pearl color on same described sliding bar is one or more.
Be provided with spacing between described adjacent two described numerical digit districts, this spacing is greater than the distance between two sliding bars in the same numerical digit district.
Beneficial effect of the present invention is: child abacus provided by the invention, it comprises square bearer, crossbeam, sliding bar, movable pearl, at least wear three parallel sliding bars on the crossbeam, each string of the two sections that are separated into by crossbeam on every sliding bar has 10 movable pearls, each movable pearl represents 1, can allow children know from experience full 10 one advances 1 ten, full 10 ten and advances calculating such as 1 hundred, help the children cognition number and grasp algorithm calculations, and two-part up and down movable pearl can be distinguished operation independent, be equivalent to two abacuses, can carry out vertical calculating; In addition, every adjacent two sliding bars constitute the numerical digit district of a numerical digit of expression, and a wherein sliding bar in each numerical digit district is the status of a sovereign that is used to calculate numeration and result, and another root sliding bar is the auxilliary position that is used for borrow or carry counting system, the present invention sets up auxilliary position sliding bar for status of a sovereign sliding bar, to carry out auxiliary operations such as borrow or carry counting system, allow children understand easily and calculate reason, convenient for children is grasped the fundamental operation of long number, study easily, computing is fast, is difficult for makeing mistakes, and improves children's learning efficiency.
Description of drawings:
Fig. 1 is a structural representation of the present invention.
Embodiment:
The present invention is further illustrated below in conjunction with accompanying drawing, see shown in Figure 1, the present invention can be with wooden, bamboo, plastics, material such as metal or stone material is made, it comprises square bearer 1, be located at the crossbeam 2 in the square bearer 1, be located in the sliding bar 3 on the crossbeam 2, the movable pearl 4 of slip cap on sliding bar 3, at least wear the sliding bar 3 of three vertical parallel arrangements on the crossbeam 2, the two sections that are separated into by crossbeam 2 on every sliding bar 3, every section each string has 10 movable pearls 4, every adjacent two sliding bars 3 constitute the numerical digit district 5 of a numerical digit of expression, a wherein sliding bar 3 in each numerical digit district 5 is the status of a sovereign that is used to calculate numeration and result, and another root sliding bar 3 is for being used for the auxilliary position of borrow or carry counting system.
The quantity of sliding bar 3 can be even numbers, rightmost two sliding bars, 3 an expressions position, and the quantity of sliding bar 3 also can be odd number certainly, and leftmost those root sliding bar 3 expression most significant digits.Each numerical digit district 5 is expressed as a position, ten, hundred, kilobit from right to left successively ... each movable pearl 4 represents 1, adopt the decimal system, can allow children know from experience full 10 one advances 1 ten, full 10 ten and advances 1 hundred ... Deng calculating, help the children cognition number and grasp algorithm calculations, and two-part up and down movable pearl 4 can be distinguished operation independent, be equivalent to two abacuses, can carry out vertical calculating.
The present invention sets up auxilliary position sliding bar for status of a sovereign sliding bar, to carry out auxiliary operations such as borrow or carry counting system, allows children understand easily and calculates reason, and convenient for children is grasped the fundamental operation of long number, study easily, and computing is fast, is difficult for makeing mistakes.Be applicable to 0～10 years old children's number, add, subtract, the multiplication and division computing, and vertical plus-minus fundamental operation.
In the time of actual the use, can use by following method:
(1), the algorithm of addition:
Be used for addend and summand addition, select one group of sliding bar as a position earlier, right-to-left, ten, hundred ... pearl on the epimere of status of a sovereign crossbeam is used for counting addend, pearl on the hypomere is used for counting summand, the meter as a result of every addition is on the pearl of this hypomere, and ten pearls of note are gone up in auxilliary position, the number of the pearl note less than ten on the status of a sovereign.
10 with interior several additions, and during less than 10, the meter as a result of addition is on the pearl of this status of a sovereign hypomere as a result for it, and its result surpasses at 10 o'clock, and the meter as a result of addition is on the pearl of this hypomere, and ten pearls of note are gone up in auxilliary position, the number of the pearl note less than ten on the status of a sovereign.Then, on the auxilliary position of individual position, remove 10 pearls, on the sliding bar at phase ortho position 10 add at status of a sovereign place 1 different, represent the carry notion very intuitively.
Long number addition and carry are undertaken by above-mentioned, just will note calculating from individual position, and computing is to high-order step by step.
(2), the algorithm of subtraction:
Carry out subtraction, select one group of sliding bar earlier, right-to-left, ten, hundred as a position ..., the pearl on the epimere of status of a sovereign crossbeam is used for counting subtrahend, and the pearl on the hypomere is used for counting minuend, and every meter as a result that subtracts each other is on the pearl of this hypomere.Directly on the minuend post, cut subtrahend during calculating,, need to borrow 1, on this auxilliary position, become 10, subtract each other again from last one if inadequately when subtracting.
Long number is subtracted each other and borrow is undertaken by above-mentioned, just will note calculating from individual position, and computing is to high-order step by step.
(3), the algorithm of multiplication:
Multiplying is the easy computing of addition: select the number of sliding bar by multiplicand, at the pearl number of counting multiplier on each sliding bar, sum is exactly long-pending, and meter is on other sliding bar as a result.
(4), the algorithm of division:
Division is the inverse operation of multiplication: earlier the dividend meter on suitable sliding bar, choose the number of sliding bar by divisor, dividend is assigned on each sliding bar, after having divided, the number on every post is discussed exactly; If dividing not Wan what be left is exactly remainder.
Above way, highly beneficial to thinking and the conceptual understanding of deepening children and primary grades student logarithm, amount, can allow their the middle learning mathematics that is at play, memory reinforcing.
Can design the general abacus of 2 systems, 8 systems, 16 systems with same principle.
Certainly, the above only is a better embodiment of the present invention, so the equivalence that the described structure of the real application for a patent for invention scope of Fan Yiben, feature and principle are done changes or modifies, is included in the patent claim of the present invention.
Claims (5)
1. child abacus, it comprises square bearer, be located at crossbeam in the square bearer, be located in sliding bar, the movable pearl of slip cap on sliding bar on the crossbeam, it is characterized in that: wear three parallel sliding bars on the described crossbeam at least, be separated into each string up and down by crossbeam on every sliding bar two sections of 10 movable pearls are arranged, every adjacent two sliding bars constitute the numerical digit district of a numerical digit of expression, a wherein sliding bar in each numerical digit district is the status of a sovereign that is used to calculate numeration and result, and another root sliding bar is the auxilliary position that is used for borrow or carry counting system.
2. child abacus according to claim 1 is characterized in that: the quantity of described sliding bar is odd number.
3. child abacus according to claim 1 is characterized in that: the movable pearl color in adjacent two described numerical digit districts on the sliding bar is inequality.
4. child abacus according to claim 1 is characterized in that: the movable pearl color on same described sliding bar is one or more.
5. according to any described child abacus of claim 1-4, it is characterized in that: be provided with spacing between described adjacent two described numerical digit districts, this spacing is greater than the distance between two sliding bars in the same numerical digit district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010170837 CN101853046A (en) | 2010-05-04 | 2010-05-04 | Child abacus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010170837 CN101853046A (en) | 2010-05-04 | 2010-05-04 | Child abacus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101853046A true CN101853046A (en) | 2010-10-06 |
Family
ID=42804575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010170837 Pending CN101853046A (en) | 2010-05-04 | 2010-05-04 | Child abacus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101853046A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109817061A (en) * | 2019-04-04 | 2019-05-28 | 宋亚飞 | A kind of calculating registration device and calculate reading method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2179601Y (en) * | 1993-09-28 | 1994-10-12 | 朱志宏 | Multifunction abacus |
| CN2207598Y (en) * | 1994-11-09 | 1995-09-13 | 王静 | Counter |
| CN1227376A (en) * | 1998-12-08 | 1999-09-01 | 朱志宏 | Count calculator |
| CN2874582Y (en) * | 2005-05-26 | 2007-02-28 | 周建新 | Double section ten-bead one-position type spot-pull two purpose abacus |
-
2010
- 2010-05-04 CN CN 201010170837 patent/CN101853046A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2179601Y (en) * | 1993-09-28 | 1994-10-12 | 朱志宏 | Multifunction abacus |
| CN2207598Y (en) * | 1994-11-09 | 1995-09-13 | 王静 | Counter |
| CN1227376A (en) * | 1998-12-08 | 1999-09-01 | 朱志宏 | Count calculator |
| CN2874582Y (en) * | 2005-05-26 | 2007-02-28 | 周建新 | Double section ten-bead one-position type spot-pull two purpose abacus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109817061A (en) * | 2019-04-04 | 2019-05-28 | 宋亚飞 | A kind of calculating registration device and calculate reading method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhou et al. | Constructing higher-order methods for obtaining the multiple roots of nonlinear equations | |
| Kaur et al. | Vhdl implementation of non restoring division algorithm using high speed adder/subtractor | |
| Ma et al. | The theory of school arithmetic: Whole numbers | |
| CN101853046A (en) | Child abacus | |
| CN201725235U (en) | Abacus for children | |
| Swamee et al. | Recent advances on solving the three-parameter infiltration equation | |
| CN108268241A (en) | Multi-system arithmetic operator device | |
| CN2874582Y (en) | Double section ten-bead one-position type spot-pull two purpose abacus | |
| Xue | Calculus Problem Solutions with MATLAB® | |
| CN209417987U (en) | A kind of system conversion demonstration abacus | |
| JP2017091074A (en) | Multiplying and dividing abacus | |
| CN103309396B (en) | 18-particle multiple-movable-beam variable abacus | |
| CN202720537U (en) | Abacus | |
| CN2168278Y (en) | Numeral double-beads abacus | |
| CN2326999Y (en) | Digital abacus | |
| CN220820528U (en) | Colour bead calculation aid for children | |
| CN201000587Y (en) | Ten-beads ladder abacus | |
| CN102193901A (en) | Geometric proportion logarithm table and computing method for performing power operation by using same | |
| CN204667694U (en) | A kind of education number dish | |
| Isa | Total factor productivity growth, efficiency and technological progress of the Malaysian manufacturing sector | |
| CN2755662Y (en) | Abacus | |
| Togo | Reciprocal cost allocations for many support departments using spreadsheet matrix functions | |
| CN103218937B (en) | Spring garden type calculation and registration demonstrator | |
| CN201262719Y (en) | Nine-bead abacus | |
| CN204229285U (en) | Student's abacus for bead mental arithmetic |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101006 |