CN211604444U

CN211604444U - Arithmetic auxiliary teaching aid for math innovation teaching

Info

Publication number: CN211604444U
Application number: CN202020526424.2U
Authority: CN
Inventors: 马艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-09-29
Anticipated expiration: 2030-04-13

Abstract

The utility model relates to the field of innovative teaching aids, in particular to an arithmetic auxiliary teaching aid for mathematical innovative teaching, which comprises an abacus, a teaching board, a calculator and a writing board; the abacus is fixedly arranged on the top surface of the writing board and comprises an abacus shaft and abacus beads, wherein circular mounting holes are formed in the abacus beads, rubber sleeves made of elastic rubber materials are arranged in the circular mounting holes, and the rubber sleeves are sleeved on the abacus shaft; the inside of the abacus is provided with a division plate which is horizontally arranged and divides the abacus beads on each abacus shaft into an arrangement structure with 2 abacus beads at the upper part and 5 abacus beads at the lower part; a square cavity structure is arranged inside the teaching board, and a plurality of square holes for displaying numbers and symbols are formed in the front wall of the square cavity in an array manner; a plurality of wheel shafts are sequentially arranged in the square cavity from top to bottom. The utility model discloses the teaching is convenient, has better practical value and spreading value.

Description

Arithmetic auxiliary teaching aid for math innovation teaching

Technical Field

The utility model relates to an innovation teaching aid field, concretely relates to arithmetic auxiliary teaching aid for mathematics innovation teaching.

Background

At present, in the mathematical education field, the teaching aid that can satisfy mathematical education is very rare, and the common ruler rule instrument of drawing that only, and to the teaching aid in the aspect of the arithmetic auxiliary teaching, then very rare to make the arithmetic teaching of mathematics relatively abstract easily. Meanwhile, a mathematical arithmetic teaching aid which can be combined with a traditional arithmetic tool and a modern arithmetic tool is not available at present, and the teaching requirements of teachers are difficult to meet.

Therefore, based on the above, the utility model provides an arithmetic auxiliary teaching aid for mathematics innovation teaching carries out reasonable improvement design through the overall structure to the teaching aid, makes the teaching aid at the mathematical education in-process, can combine through the image of traditional abacus, modern calculator and digit wheel, symbol wheel, solves the problem that the teaching aid of current existence is difficult to satisfy teacher's arithmetic teaching, and then solves not enough and the defect that prior art exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a: to the above-mentioned problem that exists at present, provide an arithmetic auxiliary teaching aid for mathematics innovation teaching, rationally improve the design through the overall structure to the teaching aid, make the teaching aid at the mathematical education in-process, can combine through traditional abacus, modern calculator and digit wheel, the image of symbol wheel, solve the problem that the teaching aid of current existence is difficult to satisfy teacher's arithmetic teaching, and then solve not enough and the defect that prior art exists.

In order to realize the purpose, the utility model discloses a technical scheme is:

an arithmetic auxiliary teaching aid for mathematics innovation teaching comprises an abacus, a teaching board, a calculator and a writing board; the abacus is fixedly arranged on the top surface of the writing board and comprises an abacus shaft and abacus beads, wherein circular mounting holes are formed in the abacus beads, rubber sleeves made of elastic rubber materials are arranged in the circular mounting holes, and the rubber sleeves are sleeved on the abacus shaft; the inside of the abacus is provided with a division plate which is horizontally arranged and divides the abacus beads on each abacus shaft into an arrangement structure with 2 abacus beads at the upper part and 5 abacus beads at the lower part; a square cavity structure is arranged inside the teaching board, and a plurality of square holes for displaying numbers and symbols are formed in the front wall of the square cavity in an array manner; a plurality of wheel shafts are sequentially arranged in the square cavity from top to bottom, two ends of each wheel shaft are fixedly arranged on two side walls of the square cavity, and each wheel shaft is sequentially provided with 3 number wheels, 1 symbol wheel, 3 number wheels, 1 symbol wheel and 4 number wheels from left to right to form an arithmetic form that the multi-number addition, subtraction, multiplication and division is equal to the multi-number or the single-number; the appearance of each digit wheel is of a regular decagon cylinder structure, and ten numbers of 0-9 are correspondingly arranged on ten three-dimensional side surfaces of the digit wheel; the appearance of each symbol wheel is a regular decagon cylinder structure, and 2 "+" signs, 2 "-" signs, 2 "×" signs, 2 "÷ signs and 2" ═ signs are correspondingly arranged on ten solid side faces of the symbol wheel; each square hole corresponds to the position of the number wheel and the symbol wheel; a plurality of arc-shaped bulges with strip-shaped structures are arranged on the surface of the wheel shaft in an array mode, an arc-shaped groove with a strip-shaped groove structure is arranged between every two adjacent arc-shaped bulges, and the arc-shaped radiuses of the arc-shaped bulges and the arc-shaped groove are equal; the center positions of the number wheel and the symbol wheel are respectively provided with a round hole, and the number wheel and the symbol wheel are arranged on the wheel shaft through the round holes; a positioning hole with a round blind hole structure is formed in the round hole, a spring in a compressed state is arranged in the positioning hole, one end of the spring is fixedly connected with the bottom of the fixing hole, the other end of the spring is fixedly connected with a round ball, and the lower part of the round ball is in contact with the surface of the wheel shaft; a clapboard with a square plate structure is arranged between two adjacent digit wheels and symbol wheels in the transverse direction; an electronic calculator is arranged on the lower left of the front of the teaching board, and a square writing board with a smooth surface is arranged on the right of the calculator.

In the specific use process of the utility model, firstly, through the arrangement of the abacus, a teacher can conveniently explain and teach the students the abacus arithmetic operation knowledge through the traditional abacus teaching aid, and the teaching work of the teacher on the traditional arithmetic tool is favorably satisfied; secondly, through the arrangement of the teaching board, a user can manually shift the number wheel and the symbol wheel at the square hole in front of the teaching board to adjust the positions of corresponding numbers and symbols facing the square hole, so that students and teachers can see the numbers and symbols conveniently; in the teaching process, a teacher forms a calculation equation of adding, subtracting, multiplying and dividing multiple digits or single digits of multiple digits through intuitive digital and symbol adjustment, so that students can intuitively understand the arithmetic teaching content of the teacher and improve the learning interest of the students; thirdly, a teacher can realize the calculation of an evolution or a power through a calculator, and meanwhile, the teacher can also be used for verifying the accuracy of the result of the abacus calculation and the actual result, so that the reliability of arithmetic teaching is improved. Finally, through the setting of the writing board, a teacher can conveniently perform handwriting teaching on the writing board, and the technical scheme of the application improves the problem of function singleness of the existing teaching aid and has better multifunctionality and better practical value. The utility model discloses a setting of rubber sleeve does benefit to the position that the pearl was stirred to convenient teaching in-process, avoids calculating the pearl and takes place the lapse at the teaching in-process. Through the structure setting and the digit wheel of shaft, the setting of symbol wheel, can convenience of customers when stirring digit wheel or symbol wheel, can realize the rotation of digit wheel or symbol wheel, the elastic action through the spring simultaneously, can realize pushing into arc recess with the ball inside, carry out the rigidity to digit wheel and symbol wheel, at this moment, the user as long as with digit or symbol rotate to required position can, prescribe its position through ball and spring are automatic, do benefit to the teacher in the teaching process, select required digit symbol to show, digit wheel and symbol wheel have been solved and have been fixed not stable enough at smooth axial plane, take place rotatory problem easily. Therefore, the utility model discloses a combine the teaching with the teaching aid of different forms, have better spreading value.

Preferably, the rubber sleeve is made of TPU (thermoplastic polyurethane) material, and the rubber sleeve and the abacus bead are fixedly nested.

Preferably, the teaching board is of a rectangular plastic board structure, and the wall thickness of the square cavity in the teaching board is 1-2 mm.

Preferably, the materials of the number wheel and the symbol wheel are plastic materials, the thicknesses of the number wheel and the symbol wheel are smaller than the width of the square hole in the front wall of the teaching board, and the numbers and the symbols on the surfaces of the number wheel and the symbol wheel are made of reflecting materials.

Preferably, the calculator is embedded and fixedly installed in the front of the teaching board, a display screen for displaying input numerical symbols and calculation results is arranged on the left side of the calculator, a keyboard area for inputting numbers and symbols is arranged on the right side of the display screen, and a plurality of operation keys are arranged on the keyboard area.

Preferably, the number of the wheel shafts is greater than or equal to 4, and the sum of the number of the symbol wheels and the number wheels on each wheel shaft is greater than or equal to 12.

Preferably, the number of the abacus shafts on the abacus is 13.

Since the technical scheme is used, the beneficial effects of the utility model are that:

in the specific use process of the utility model, firstly, through the arrangement of the abacus, a teacher can conveniently explain and teach the students the abacus arithmetic operation knowledge through the traditional abacus teaching aid, and the teaching work of the teacher on the traditional arithmetic tool is favorably satisfied; secondly, through the arrangement of the teaching board, a user can manually shift the number wheel and the symbol wheel at the square hole in front of the teaching board to adjust the positions of corresponding numbers and symbols facing the square hole, so that students and teachers can see the numbers and symbols conveniently; in the teaching process, a teacher forms a calculation equation of adding, subtracting, multiplying and dividing multiple digits or single digits of multiple digits through intuitive digital and symbol adjustment, so that students can intuitively understand the arithmetic teaching content of the teacher and improve the learning interest of the students; thirdly, a teacher can realize the calculation of an evolution or a power through a calculator, and meanwhile, the teacher can also be used for verifying the accuracy of the result of the abacus calculation and the actual result, so that the reliability of arithmetic teaching is improved. Finally, through the setting of the writing board, a teacher can conveniently perform handwriting teaching on the writing board, and the technical scheme of the application improves the problem of function singleness of the existing teaching aid and has better multifunctionality and better practical value. The utility model discloses a setting of rubber sleeve does benefit to the position that the pearl was stirred to convenient teaching in-process, avoids calculating the pearl and takes place the lapse at the teaching in-process. Through the structure setting and the digit wheel of shaft, the setting of symbol wheel, can convenience of customers when stirring digit wheel or symbol wheel, can realize the rotation of digit wheel or symbol wheel, the elastic action through the spring simultaneously, can realize pushing into arc recess with the ball inside, carry out the rigidity to digit wheel and symbol wheel, at this moment, the user as long as with digit or symbol rotate to required position can, prescribe its position through ball and spring are automatic, do benefit to the teacher in the teaching process, select required digit symbol to show, digit wheel and symbol wheel have been solved and have been fixed not stable enough at smooth axial plane, take place rotatory problem easily. Through the setting of baffle, then can conveniently prescribe a limit to the left and right sides position of digit wheel and symbol wheel. Therefore, the utility model discloses a combine the teaching with the teaching aid of different forms, have better spreading value.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the installation structure of the number wheel and the symbol wheel of the present invention;

FIG. 3 is a schematic side view of the internal structure of the present invention;

FIG. 4 is a schematic view of the structure of the abacus bead of the present invention;

fig. 5 is a schematic view of the installation structure of the number wheel or the symbol wheel of the present invention.

In the figure: 1. an abacus; 2. a teaching board; 3. a digit wheel; 4. a symbol wheel; 5. a spring; 6. A writing board; 7. a calculator; 8. a ball; 9. an arc-shaped groove; 10. positioning holes; 11. a partition plate; 12. a wheel axle; 13. calculating beads; 14. calculating an axis; 15. a rubber sleeve; 16. and an arc-shaped bulge.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the accompanying drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.

Example 1, as shown in figures 1-5:

an arithmetic auxiliary teaching aid for mathematics innovation teaching comprises an abacus 1, a teaching board 2, a calculator 7 and a writing board 6; the abacus 1 is fixedly arranged on the top surface of the writing board 6, the abacus 1 comprises an abacus shaft 14 and an abacus bead 13, a circular mounting hole is formed in the abacus bead 13, a rubber sleeve 15 made of elastic rubber is arranged in the circular mounting hole, and the rubber sleeve 15 is sleeved on the abacus shaft 14; the abacus 1 is internally provided with a partition plate 11 which is horizontally arranged and divides the abacus beads 13 on each abacus shaft 14 into an arrangement structure with 2 abacus beads 13 at the upper part and 5 abacus beads 13 at the lower part; a square cavity structure is arranged inside the teaching board 2, and a plurality of square holes for displaying numbers and symbols are formed in the front wall of the square cavity in an array manner; a plurality of wheel shafts 12 are sequentially arranged in the square cavity from top to bottom, two ends of each wheel shaft 12 are fixedly arranged on two side walls of the square cavity, and each wheel shaft 12 is sequentially provided with 3

number wheels

3, 1

symbol wheel

4, 3

number wheels

3, 1

symbol wheel

4 and 4 number wheels 3 from left to right to form an arithmetic form that the multi-number addition, subtraction, multiplication and division is equal to the multi-number or the single-digit; the shape of each digit wheel 3 is a regular decagon cylinder structure, and ten numbers of 0-9 are correspondingly arranged on ten solid side surfaces of the digit wheel 3; the appearance of each symbol wheel 4 is a regular decagon cylinder structure, and 2 "+" signs, 2 "-" signs, 2 "×" signs, 2 "÷ signs and 2" ═ signs are correspondingly arranged on ten solid side faces of the symbol wheel 4; each square hole corresponds to the positions of the number wheel 3 and the symbol wheel 4; a plurality of arc-shaped bulges 16 with strip-shaped structures are arranged on the surface of the wheel shaft 12 in an array mode, an arc-shaped groove 9 with a strip-shaped groove structure is arranged between every two adjacent arc-shaped bulges 16, and the arc radiuses of the arc-shaped bulges 16 and the arc-shaped groove 9 are equal; the center positions of the number wheel 3 and the symbol wheel 4 are both provided with a round hole, and the number wheel 3 and the symbol wheel 4 are arranged on the wheel shaft 12 through the round holes; a positioning hole 10 with a round blind hole structure is formed in the round hole, a spring 5 in a compressed state is arranged in the positioning hole 10, one end of the spring 5 is fixedly connected with the bottom of the fixing hole, the other end of the spring 5 is fixedly connected with a round ball 8, and the lower part of the round ball 8 is in surface contact with the wheel shaft 12; a partition plate 11 with a square plate structure is arranged between two transversely adjacent digit wheels 3 and symbol wheels 4; an electronic calculator 7 is arranged on the lower left of the front of the teaching board 2, and a square writing board 6 with a smooth surface is arranged on the right of the calculator 7.

In the specific use process of the utility model, firstly, through the arrangement of the abacus 1, a teacher can conveniently explain and teach the arithmetic operation knowledge of the abacus 1 to students through the traditional teaching aid of the abacus 1, and the teaching work of the teacher to the traditional arithmetic tool is favorably satisfied; secondly, through the arrangement of the teaching board 2, a user can manually shift the number wheel 3 and the symbol wheel 4 at the position of the square hole in front of the teaching board 2 to adjust the positions of corresponding numbers and symbols facing the square hole, so that students and teachers can see the numbers and symbols conveniently; in the teaching process, a teacher forms a calculation equation of adding, subtracting, multiplying and dividing multiple digits or single digits of multiple digits through intuitive digital and symbol adjustment, so that students can intuitively understand the arithmetic teaching content of the teacher and improve the learning interest of the students; thirdly, a teacher can realize the calculation of an evolution or a power through a calculator 7, and simultaneously, the teacher can also be used for verifying the accuracy of the calculation result of the abacus 1 and the actual result, so that the reliability of arithmetic teaching is improved. Finally, through the setting of board 6, still make things convenient for the teacher to hand and write the teaching on board 6, the technical scheme of this application has improved the problem of current teaching aid function unicity, has better multifunctionality and better practical value. The utility model discloses a setting of rubber sleeve 15 does benefit to the position that the pearl 13 was stirred to convenient teaching in-process, avoids the pearl 13 to take place the lapse at the teaching in-process. Through the structure setting of shaft 12 and digit wheel 3, the setting of symbol wheel 4, can convenience of customers when stirring digit wheel 3 or symbol wheel 4, can realize the rotation of digit wheel 3 or symbol wheel 4, simultaneously, through spring 5's elastic action, can realize pushing up ball 8 inside arc recess 9, carry out rigidity to digit wheel 3 and symbol wheel 4, at this moment, the user as long as with digit or symbol rotate to required position can, prescribe its position automatically through ball 8 and spring 5, do benefit to the teacher at the teaching in-process, select required digit symbol and show, digit wheel 3 and symbol wheel 4 have been solved and have been fixed not stable enough in smooth axial plane, take place rotatory problem easily. Therefore, the utility model discloses a combine the teaching with the teaching aid of different forms, have better spreading value.

Preferably, the rubber sleeve 15 is made of TPU material, and the rubber sleeve 15 and the abacus bead 13 are fixedly nested and installed.

Preferably, the teaching board 2 is of a rectangular plastic board structure, and the wall thickness of the square cavity inside the teaching board 2 is 1mm-2 mm.

Preferably, the number wheel 3 and the symbol wheel 4 are made of plastic materials, the thickness of the number wheel 3 and the thickness of the symbol wheel 4 are smaller than the width of the square hole in the front wall of the teaching board 2, and the numbers and the symbols on the surfaces of the number wheel 3 and the symbol wheel 4 are made of light-reflecting materials.

Preferably, the calculator 7 is fixedly installed in front of the teaching board 2 in an embedded manner, a display screen for displaying input numeric symbols and calculation results is arranged on the left side of the calculator 7, a keyboard area for inputting numbers and symbols is arranged on the right side of the display screen, and a plurality of operation keys are arranged on the keyboard area.

Preferably, the number of the wheel shafts 12 is greater than or equal to 4, and the sum of the number of the symbol wheels 4 and the number wheels 3 on each wheel shaft 12 is greater than or equal to 12.

Preferably, the number of the abacus shafts 14 on the abacus 1 is 13.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an arithmetic auxiliary teaching aid for mathematics innovation teaching which characterized in that: comprises an abacus, a teaching board, a calculator and a writing board; the abacus is fixedly arranged on the top surface of the writing board and comprises an abacus shaft and abacus beads, wherein circular mounting holes are formed in the abacus beads, rubber sleeves made of elastic rubber materials are arranged in the circular mounting holes, and the rubber sleeves are sleeved on the abacus shaft; the inside of the abacus is provided with a division plate which is horizontally arranged and divides the abacus beads on each abacus shaft into an arrangement structure with 2 abacus beads at the upper part and 5 abacus beads at the lower part; a square cavity structure is arranged inside the teaching board, and a plurality of square holes for displaying numbers and symbols are formed in the front wall of the square cavity in an array manner; a plurality of wheel shafts are sequentially arranged in the square cavity from top to bottom, two ends of each wheel shaft are fixedly arranged on two side walls of the square cavity, and each wheel shaft is sequentially provided with 3 number wheels, 1 symbol wheel, 3 number wheels, 1 symbol wheel and 4 number wheels from left to right to form an arithmetic form that the multi-number addition, subtraction, multiplication and division is equal to the multi-number or the single-number; the appearance of each digit wheel is of a regular decagon cylinder structure, and ten numbers of 0-9 are correspondingly arranged on ten three-dimensional side surfaces of the digit wheel; the appearance of each symbol wheel is a regular decagon cylinder structure, and 2 "+" signs, 2 "-" signs, 2 "×" signs, 2 "÷ signs and 2" ═ signs are correspondingly arranged on ten solid side faces of the symbol wheel; each square hole corresponds to the position of the number wheel and the symbol wheel; a plurality of arc-shaped bulges with strip-shaped structures are arranged on the surface of the wheel shaft in an array mode, an arc-shaped groove with a strip-shaped groove structure is arranged between every two adjacent arc-shaped bulges, and the arc-shaped radiuses of the arc-shaped bulges and the arc-shaped groove are equal; the center positions of the number wheel and the symbol wheel are respectively provided with a round hole, and the number wheel and the symbol wheel are arranged on the wheel shaft through the round holes; a positioning hole with a round blind hole structure is formed in the round hole, a spring in a compressed state is arranged in the positioning hole, one end of the spring is fixedly connected with the bottom of the fixing hole, the other end of the spring is fixedly connected with a round ball, and the lower part of the round ball is in contact with the surface of the wheel shaft; a clapboard with a square plate structure is arranged between two adjacent digit wheels and symbol wheels in the transverse direction; an electronic calculator is arranged on the lower left of the front of the teaching board, and a square writing board with a smooth surface is arranged on the right of the calculator.

2. An arithmetic teaching aid for mathematical innovation teaching as claimed in claim 1, wherein: the rubber sleeve is made of TPU material, and the rubber sleeve and the abacus bead are fixedly nested.

3. An arithmetic teaching aid for mathematical innovation teaching as claimed in claim 1, wherein: the teaching board is of a rectangular plastic board structure, and the wall thickness of a square cavity in the teaching board is 1-2 mm.

4. An arithmetic teaching aid for mathematical innovation teaching as claimed in claim 1, wherein: the materials of digit wheel and symbol wheel are plastic materials, and the thickness of digit wheel and symbol wheel all is less than the quad slit width of teaching board antetheca, digit and symbol on digit wheel and symbol wheel surface all adopt reflecting material preparation to form.

5. An arithmetic teaching aid for mathematical innovation teaching as claimed in claim 1, wherein: the calculator is embedded into the teaching board and fixedly installed inside the front of the teaching board, a display screen used for displaying input digital symbols and calculation results is arranged on the left side of the calculator, a keyboard area used for inputting numbers and symbols is arranged on the right side of the display screen, and a plurality of operation keys are arranged on the keyboard area.

6. An arithmetic teaching aid for mathematical innovation teaching as claimed in claim 1, wherein: the number of the wheel shafts is more than or equal to 4, and the sum of the number of the symbol wheels and the number wheels on each wheel shaft is more than or equal to 12.

7. An arithmetic teaching aid for mathematical innovation teaching as claimed in claim 1, wherein: the number of the mounted counting shafts on the abacus is 13.