CN111161596A - A mathematics teaching aid for training of mathematics thinking - Google Patents
A mathematics teaching aid for training of mathematics thinking Download PDFInfo
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- CN111161596A CN111161596A CN201911373783.7A CN201911373783A CN111161596A CN 111161596 A CN111161596 A CN 111161596A CN 201911373783 A CN201911373783 A CN 201911373783A CN 111161596 A CN111161596 A CN 111161596A
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- 238000009434 installation Methods 0.000 claims abstract description 41
- 238000005192 partition Methods 0.000 claims abstract description 13
- 239000011324 bead Substances 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000004364 calculation method Methods 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/02—Counting; Calculating
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
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- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a mathematic teaching aid for mathematic thinking training, which comprises an installation box, a counting unit and a digital rotating unit, wherein the counting unit is arranged on the installation box; installing a box: the inner part of the installation box is hollow, and four partition plates are arranged on the front side in the installation box at equal intervals; a counting unit: the counting unit comprises counting beads, sliding rods and a baffle, the sliding rods are U-shaped, the six sliding rods are arranged on the front side of the upper surface of the installation box and are sleeved with nine counting beads, the baffle is arranged on the front side of the upper surface of the installation box and is positioned in the middle of the sliding rods; a digital rotation unit: the digit rotation unit includes belt, outside belt pulley, dwang, push rod, fixed pin, middle part belt pulley and turning block, this a mathematical teaching aid for mathematical thinking training can show the operation method and process simultaneously through digit and object number operation when the teaching, can widen children's thinking conversion's ability.
Description
Technical Field
The invention relates to the technical field of teaching aids for children, in particular to a mathematic teaching aid for mathematic thinking training.
Background
The mathematics subject is very abstract, abstract mathematics concept, knowledge, law, nature, etc. make children difficult to master, the operation of starting hands is the practice activity that children loved very much, also one of the effective ways that children learn mathematics enlightenment cognition, children are only simple study when studying addition, subtraction, multiplication and division at present, carry out the deadback to addition, subtraction, multiplication and division law, make the student remember knowledge only like this, but can not open student's innovative thinking, unfavorable to cultivateing children, and just write the figure for children's explanation algorithm on the blackboard when teacher's teaching, can not temper children and convert the figure into the thinking of number.
A prior application No. 201821837942.5 is a math teaching aid for math thinking training, which comprises a digital block slot and a calculation board, wherein the digital block slot is arranged on one side of a display board, a digital block is clamped in the digital block slot, the calculation board is fixedly connected on one side of the display board close to the digital block slot, a child can place the digital block in the digital block slot for free question calculation, a teacher can judge right and wrong in the digital block slot at the back, the calculation result is written by the calculation board, the brain and hands can improve the learning interest, an adjusting rod is fixedly connected on the top of a base, the end part of the adjusting rod is fixedly connected with a top board, the heights of the children are different, the height of the adjusting rod can be adjusted by an adjusting button by arranging the adjusting rod, the purpose of convenient use is achieved, and the digital block and the question board of the patch type question board are separated, children can easily lose the digital block when using the digital block.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a mathematic teaching aid for mathematic thinking training, can simultaneously display the operation method and the operation process through the number operation of numbers and objects during teaching, can widen the thinking conversion capability of children, and can effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a mathematics teaching aid for mathematics thinking training comprises an installation box, a counting unit and a digital rotating unit;
installing a box: the inner part of the installation box is hollow, and four partition plates are arranged on the front side in the installation box at equal intervals;
a counting unit: the counting unit comprises counting beads, sliding rods and a baffle, the sliding rods are U-shaped, the six sliding rods are arranged on the front side of the upper surface of the installation box and are sleeved with nine counting beads, the baffle is arranged on the front side of the upper surface of the installation box and is positioned in the middle of the sliding rods;
a digital rotation unit: the digital rotating unit comprises a belt, outer side belt pulleys, a rotating rod, a push rod, a fixed pin, middle belt pulleys and a rotating block, the number of the outer side belt pulleys is four, the side surfaces of the four outer side belt pulleys are respectively and rotatably connected with the side surfaces of the upper end and the lower end of the two clapboards at the left side, the two outer side belt pulleys at the left side are connected through the belt, the two outer side belt pulleys at the right side are connected through the other belt, the right end of the push rod sequentially penetrates through the side surfaces of the installation box, the outer side belt pulleys and the left clapboard to be connected with the left end of the fixed pin, the number of the middle belt pulleys is two, the side surfaces of the two middle belt pulleys are respectively and rotatably connected with the inner side surfaces of the upper end and the lower end of the two clapboards at the middle part, the two middle belt, the turning block is equipped with two, the side at left turning block both ends is rotated with the middle part of two left baffle medial surfaces and is connected, the right-hand member of dwang passes the side of install bin and baffle and the left side fixed connection of left turning block in proper order, the side of left turning block is equipped with the operation symbol, the both ends of the turning block on right side and the middle part fixed connection of two baffle inner faces on right side, and the leading flank of the turning block on right side is equipped with and equals the symbol, and the leading flank of box is equipped with the observation window with three belt and two turning block one-to-ones, can conveniently give the question with the mr through digital rotation unit, and explain detailed problem solving process through the counting unit, make the quick understanding and the grasp of the relation between children's the operation process with the figure and the object number, can effectively improve children's thinking.
Further comprises four lifting units, a bottom plate and four telescopic rods, wherein the four telescopic rods are uniformly arranged along the lower surface of the mounting box, the lower ends of the four telescopic rods are fixedly connected with the upper surface of the bottom plate, the lifting unit comprises a fixed seat, a stud, a worm, a gear and a handle, the fixed seat is U-shaped, the middle part of the upper surface of the fixed seat is rotationally connected with the lower surface of the gear, the upper surface of the gear is fixedly connected with the lower end of the stud, the upper end of the stud penetrates through a screw hole in the middle of the lower surface of the installation box, two ends of the worm are rotatably connected with the inner side surfaces of two ends of the fixed seat, and the worm is meshed with the gear, one end of the worm passes through the side surface of the fixed seat and is fixedly connected with the lower end of the handle, can conveniently adjust the height of install bin through the lift unit, make things convenient for mr's explanation and children's use, stability when can improving the install bin through the telescopic link and go up and down.
Further, still include the universal wheel, the universal wheel is equipped with four, and four universal wheels evenly set up along the lower surface of bottom plate, can make things convenient for the removal of teaching aid through the universal wheel, make things convenient for mr to remove the teaching aid and give lessons.
Further, still include slide and protecting crust, the slide is the L type, and the middle part at the bottom plate upper surface is established to the slide, the protecting crust is equipped with two, and the lower extreme and the slide sliding connection of two protecting crust can be sealed the lift unit when the lift unit does not use through the protecting crust, prevent that children from missing and bump the lift unit and cause the injury.
Further, still include the drawer, the drawer is established at the rear side of installing bin, and the medial surface sliding connection of the side of drawer and installing bin rear end can make things convenient for the mr to deposit teaching aids such as books, pen, makes things convenient for mr's teaching through the drawer.
Further, still include blackboard and slide, the slide is equipped with two, and top and bottom in the install bin are established respectively to two slides, the upper and lower both ends and the slide sliding connection of blackboard, and the right flank of install bin is equipped with the logical groove that corresponds with the blackboard, can be convenient pull out the blackboard through the cooperation of blackboard and slide and use and hide.
Further, still include the stopper, the stopper is equipped with two, and two stoppers are established respectively in the upper and lower both sides of blackboard left end side, can prevent through the stopper that the blackboard is whole to be pulled out to the outside.
Further, still include transparent glass, transparent glass is equipped with five, and five transparent glass all establish the leading flank at the install bin, and five transparent glass are located the outside of observation window, can prevent through transparent glass that children's hand stretches into in the install bin from observation window when digital rotation unit rotates.
Compared with the prior art, the invention has the beneficial effects that: this a mathematics teaching aid for training of mathematics thinking has following benefit:
1. can conveniently set forth the problem with the mr through the digital rotation unit to explain detailed problem solving process through the count unit, make children with the quick understanding and the grasp of the relation between the operation process of digit and the object number, can effectively improve children's thinking ability.
2. Can conveniently adjust the height of install bin through the lift unit, make things convenient for mr's explanation and children's use, stability when can improving the install bin through the telescopic link and go up and down can make things convenient for the removal of teaching aid through the universal wheel, make things convenient for mr to remove the teaching aid and give lessons.
3. Can be sealed with the lift unit when the lift unit does not use through the protecting crust, prevent that children from missing and bump the lift unit and cause the injury, can make things convenient for teachers to deposit teaching aids such as books, pen through the drawer, make things convenient for teachers' teaching.
4. Can be convenient pull out the blackboard through the cooperation of blackboard and slide and use and hide, can prevent through the stopper that the blackboard is whole to be pulled out to the outside, can prevent through transparent glass that children's hand stretches into in the install bin from the observation window when digital rotation unit rotates.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the backside structure of the present invention;
FIG. 3 is a schematic view of the fixing pin of the present invention;
FIG. 4 is a schematic view of the internal structure of the installation case of the present invention;
FIG. 5 is a schematic diagram of the blackboard structure of the present invention;
FIG. 6 is a schematic side view of the present invention;
fig. 7 is a schematic cross-sectional view of the digital rotation unit according to the present invention.
In the figure: the device comprises an installation box 1, an observation window 2, a counting unit 3, a counting bead 31, a sliding rod 32, a baffle 33, a digital rotating unit 4, a belt 41, an outer side belt pulley 42, a rotating rod 43, a push rod 44, a fixing pin 45, a middle belt pulley 46, a rotating block 47, a partition plate 5, a lifting unit 6, a fixed seat 61, a stud 62, a worm 63, a gear 64, a handle 65, a bottom plate 7, an expansion rod 8, a universal wheel 9, a sliding plate 10, a protective shell 11, a drawer 12, a blackboard 13, a slideway 14, a limiting block 15 and transparent glass 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a mathematics teaching aid for training mathematical thinking comprises an installation box 1, a counting unit 3 and a digital rotating unit 4;
installation box 1: the interior of the installation box 1 is hollow, and four partition plates 5 are arranged on the front side in the installation box 1 at equal intervals;
a counting unit 3: the counting unit 3 comprises counting beads 31, sliding rods 32 and a baffle 33, the sliding rods 32 are U-shaped, six sliding rods 32 are arranged, the six sliding rods 32 are arranged on the front side of the upper surface of the installation box 1, the nine counting beads 31 are sleeved on the six sliding rods 32, the baffle 33 is arranged on the front side of the upper surface of the installation box 1, and the baffle 33 is located in the middle of the sliding rods 32;
digital rotation unit 4: the digital rotating unit 4 comprises a belt 41, outer side belt pulleys 42, a rotating rod 43, a push rod 44, a fixed pin 45, middle belt pulleys 46 and a rotating block 47, four outer side belt pulleys 42 are arranged, the side surfaces of the four outer side belt pulleys 42 are respectively and rotatably connected with the side surfaces of the upper and lower ends of the two partition plates 5 on the left and right sides, the two outer side belt pulleys 42 on the left side are connected through the belt 41, the two outer side belt pulleys 42 on the right side are connected through another belt 41, the right end of the push rod 44 sequentially penetrates through the installation box 1, the side surfaces of the outer side belt pulleys 42 and the side surfaces of the partition plates 5 on the left side to be connected with the left end of the fixed pin 45, two middle belt pulleys 46 are arranged, the side surfaces of the two middle belt pulleys 46 are respectively and rotatably connected with the inner side, the right side surface of the middle belt pulley 46 at the upper side and the left side surface of the outer side belt pulley 42 at the left side are both provided with grooves corresponding to the fixing pins 45, the number of the rotating blocks 47 is two, the side surfaces of the two ends of the rotating block 47 at the left side are rotatably connected with the middle parts of the inner side surfaces of the two partition plates 5 at the left side, the right end of the rotating rod 43 sequentially penetrates through the side surfaces of the installation box 1 and the partition plates 5 and is fixedly connected with the left side surface of the rotating block 47 at the left side, the side surface of the rotating block 47 at the left side is provided with operation symbols, the two ends of the rotating block 47 at the right side are fixedly connected with the middle parts of the inner surfaces of the two partition plates 5 at the right side, the front side surface of the rotating block 47 at the right side is provided with equal symbols, the front side surface of the box body 1 is provided with observation windows 2 corresponding to the three belts 41 and the two rotating blocks, can effectively improve the thinking ability of children.
Wherein: the lifting device comprises a lifting unit 6, a bottom plate 7 and four telescopic rods 8, wherein the four telescopic rods 8 are uniformly arranged along the lower surface of the installation box 1, the lower ends of the four telescopic rods 8 are fixedly connected with the upper surface of the bottom plate 7, the lifting unit 6 comprises a fixed seat 61, a stud 62, a worm 63, a gear 64 and a handle 65, the fixed seat 61 is U-shaped, the middle part of the upper surface of the fixed seat 61 is rotatably connected with the lower surface of the gear 64, the upper surface of the gear 64 is fixedly connected with the lower end of the stud 62, the upper end of the stud 62 penetrates through a screw hole in the middle part of the lower surface of the installation box 1, the two ends of the worm 63 are rotatably connected with the inner side surfaces of the two ends of the fixed seat 61, the worm 63 is meshed with the gear 64, one end of the worm 63 penetrates through the side surface of the fixed seat 61 and is fixedly connected with the lower end of, stability when can improve install bin 1 through telescopic link 8 and go up and down.
Wherein: still include universal wheel 9, universal wheel 9 is equipped with four, and four universal wheels 9 evenly set up along bottom plate 7's lower surface, can make things convenient for the removal of teaching aid through universal wheel 9, make things convenient for the mr to remove the teaching aid and give lessons.
Wherein: still include slide 10 and protecting crust 11, slide 10 is the L type, and slide 10 establishes the middle part at bottom plate 7 upper surface, and protecting crust 11 is equipped with two, and the lower extreme and the slide 10 sliding connection of two protecting crust 11 can be sealed lifting unit 6 when lifting unit 6 yuan do not use through protecting crust 10, prevent that children's mistake from bumping lifting unit 6 and causing the injury.
Wherein: still include drawer 12, drawer 12 establishes at the rear side of installing bin 1, and the medial surface sliding connection of the side of drawer 12 and installing bin 1 rear end can make things convenient for the mr to deposit teaching aids such as books, pen, makes things convenient for mr's teaching through drawer 12.
Wherein: still include blackboard 13 and slide 14, slide 14 is equipped with two, and two slides 14 are established top and bottom in install bin 1 respectively, the upper and lower both ends and the slide 14 sliding connection of blackboard 13, and the right flank of install bin 1 is equipped with the logical groove that corresponds with blackboard 13, can be convenient pull out blackboard 13 through blackboard 13 and slide 14's cooperation and use and hide.
Wherein: the blackboard eraser further comprises two limiting blocks 15, the two limiting blocks 15 are arranged on the upper side and the lower side of the side face of the left end of the blackboard 13 respectively, and the blackboard 13 can be prevented from being integrally pulled out to the outside through the limiting blocks 15.
Wherein: the digital rotating unit further comprises five pieces of transparent glass 16, the five pieces of transparent glass 16 are arranged on the front side face of the installation box 1, the five pieces of transparent glass 16 are located on the outer side of the observation window 2, and hands of children can be prevented from extending into the installation box 1 from the observation window 2 when the digital rotating unit 4 rotates through the transparent glass 16.
When in use: the two protection shells 11 are pushed to make the two protection shells 11 move outwards along the direction of the sliding plate 10, the handle 65 is rotated to make the handle 65 drive the worm 63 to rotate, the worm 63 drives the gear 64 to rotate, thereby the stud 62 rotates, the installation box 1 moves upwards or downwards along the direction of the telescopic rod 8 to a proper height, the two protection shells 11 are pushed inwards to seal the fixed seat 61, the push rod 44 is pulled leftwards to insert the fixed pin 45 into the groove on the side surface of the left outside belt pulley 42, the push rod 44 is rotated to rotate the left outside belt pulley 42, the digital on the belt 41 rotates the observation window 2, the push rod 44 is pushed to insert the fixed pin 45 into the groove on the side surface of the left rotating block 47, the push rod 44 is rotated to replace a proper operation symbol to the observation window 2, the rotating rod 43 is rotated to rotate the two middle belt pulleys 46, make suitable figure on the belt 41 at middle part rotate to observation window 2 department, make children observe the operation formula, when the mr explains, can all push away the rear side of baffle 33 with count pearl 31 to promote to the count pearl 31 to the front side of baffle 33 with belt 41 upper digit correspondence quantity, calculate the explanation to children, when needs are written and explained, can pull blackboard 13, make blackboard 13 outwards remove along the direction of slide 14, make things convenient for the mr to write and explain.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a mathematics teaching aid for training of mathematics thinking which characterized in that: comprises an installation box (1), a counting unit (3) and a digital rotating unit (4);
mounting case (1): the inner part of the installation box (1) is hollow, and four partition plates (5) are arranged on the front side in the installation box (1) at equal intervals;
counting unit (3): the counting unit (3) comprises counting beads (31), sliding rods (32) and baffle plates (33), the sliding rods (32) are U-shaped, the number of the sliding rods (32) is six, the six sliding rods (32) are arranged on the front side of the upper surface of the installation box (1), the six sliding rods (32) are sleeved with nine counting beads (31), the baffle plates (33) are arranged on the front side of the upper surface of the installation box (1), and the baffle plates (33) are located in the middle of the sliding rods (32);
digital rotation unit (4): the digital rotating unit (4) comprises a belt (41), outer side belt pulleys (42), a rotating rod (43), a push rod (44), a fixed pin (45), a middle belt pulley (46) and a rotating block (47), the outer side belt pulleys (42) are four, the side surfaces of the four outer side belt pulleys (42) are respectively connected with the side surfaces of the upper end and the lower end of the two clapboards (5) on the left side and the right side in a rotating manner, the two outer side belt pulleys (42) on the left side are connected through the belt (41), the two outer side belt pulleys (42) on the right side are connected through another belt (41), the right end of the push rod (44) sequentially penetrates through the side surfaces of the installation box (1), the outer side belt pulleys (42) and the left clapboard (5) and is connected with the left end of the fixed pin (45), the middle belt pulleys (46) are two, the side surfaces of the two middle belt pulleys (46, and two middle belt pulleys (46) are connected through a belt (41), the side surfaces of three belts (41) are provided with numbers, the right side surface of the middle belt pulley (46) on the upper side and the left side surface of the left outer side belt pulley (42) are provided with grooves corresponding to the fixing pins (45), the rotating blocks (47) are provided with two rotating blocks, the side surfaces at the two ends of the left rotating block (47) are rotatably connected with the middle parts of the inner side surfaces of the two left partition plates (5), the right end of the rotating rod (43) sequentially penetrates through the side surfaces of the installation box (1) and the partition plates (5) and is fixedly connected with the left side surface of the left rotating block (47), the side surface of the left rotating block (47) is provided with an operation symbol, the two ends of the right rotating block (47) are fixedly connected with the middle parts of the inner surfaces of the two partition plates (5) on the right, and the front side surface of the box body (1) is provided with observation windows (2) which are in one-to-one correspondence with the three belts (41) and the two rotating blocks (47).
2. A math teaching aid for mathematical thinking training according to claim 1, which is characterized in that: the lifting device is characterized by further comprising a lifting unit (6), a bottom plate (7) and telescopic rods (8), wherein the telescopic rods (8) are four, the four telescopic rods (8) are uniformly arranged along the lower surface of the installation box (1), the lower ends of the four telescopic rods (8) are fixedly connected with the upper surface of the bottom plate (7), the lifting unit (6) comprises a fixing seat (61), a stud (62), a worm (63), a gear (64) and a handle (65), the fixing seat (61) is U-shaped, the middle part of the upper surface of the fixing seat (61) is rotatably connected with the lower surface of the gear (64), the upper surface of the gear (64) is fixedly connected with the lower end of the stud (62), the upper end of the stud (62) penetrates through a screw hole in the middle part of the lower surface of the installation box (1), the two ends of the worm (63) are rotatably connected with the inner side faces at the two ends of the fixing seat (61, one end of the worm (63) penetrates through the side face of the fixed seat (61) and is fixedly connected with the lower end of the handle (65).
3. A math teaching aid for mathematical thinking training according to claim 1, which is characterized in that: still include universal wheel (9), universal wheel (9) are equipped with four, and four universal wheels (9) evenly set up along the lower surface of bottom plate (7).
4. A math teaching aid for mathematical thinking training according to claim 1, which is characterized in that: still include slide (10) and protecting crust (11), slide (10) are the L type, and slide (10) establish the middle part at bottom plate (7) upper surface, protecting crust (11) are equipped with two, the lower extreme and slide (10) sliding connection of two protecting crust (11).
5. A math teaching aid for mathematical thinking training according to claim 1, which is characterized in that: the drawer is characterized by further comprising a drawer (12), wherein the drawer (12) is arranged on the rear side of the installation box (1), and the side face of the drawer (12) is in sliding connection with the inner side face of the rear end of the installation box (1).
6. A math teaching aid for mathematical thinking training according to claim 1, which is characterized in that: still include blackboard (13) and slide (14), slide (14) are equipped with two, and top and bottom in install bin (1) are established respectively in two slide (14), the upper and lower both ends and slide (14) sliding connection of blackboard (13), and the right flank of install bin (1) are equipped with the logical groove that corresponds with blackboard (13).
7. A math teaching aid for mathematical thinking training according to claim 6, wherein: the blackboard is characterized by further comprising two limiting blocks (15), wherein the two limiting blocks (15) are arranged on the upper side and the lower side of the side face of the left side of the blackboard (13) respectively.
8. A math teaching aid for mathematical thinking training according to claim 1, which is characterized in that: the glass installation box is characterized by further comprising five pieces of transparent glass (16), the five pieces of transparent glass (16) are arranged on the front side face of the installation box (1), and the five pieces of transparent glass (16) are located on the outer side of the observation window (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373783.7A CN111161596A (en) | 2019-12-27 | 2019-12-27 | A mathematics teaching aid for training of mathematics thinking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373783.7A CN111161596A (en) | 2019-12-27 | 2019-12-27 | A mathematics teaching aid for training of mathematics thinking |
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| CN111161596A true CN111161596A (en) | 2020-05-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111789400A (en) * | 2020-07-09 | 2020-10-20 | 濮阳职业技术学院 | A desk equipped with an English word spelling component |
| CN111920219A (en) * | 2020-07-28 | 2020-11-13 | 沈阳市高科创投管理有限公司 | Raw material feeding detailed record limiting device for production workshop |
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| CN2060246U (en) * | 1989-11-30 | 1990-08-08 | 陈凯荣 | Intelligence developing unit for child mathematics |
| CN201218995Y (en) * | 2008-05-16 | 2009-04-08 | 谢开明 | Primary school mathematics exercising machines |
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Application publication date: 20200515 |