CN213958366U - Multifunctional geometric figure teaching aid - Google Patents
Multifunctional geometric figure teaching aid Download PDFInfo
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- CN213958366U CN213958366U CN202120211842.7U CN202120211842U CN213958366U CN 213958366 U CN213958366 U CN 213958366U CN 202120211842 U CN202120211842 U CN 202120211842U CN 213958366 U CN213958366 U CN 213958366U
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Abstract
The utility model discloses a multi-functional geometric figure teaching aid mainly comprises a plurality of rectangle board, square board, right triangle shaped board, isosceles obtuse triangle shaped board, isosceles acute angle triangle shaped board, equilateral triangle shaped board, isosceles trapezoid shaped board, parallelogram board etc. and form in a complete set. The utility model has the advantages of low cost, light manufacturing mould, convenient operation for students, various types of graphic boards, convenient learning of simple graphic knowledge by users, and further obtaining of special graphics by splicing basic graphics, thereby leading users to have more in-place understanding of the graphics and improving the learning efficiency; the utility model discloses can combine together teaching and learning, realize the teaching of figure concatenation variety, strengthen user's hands-on operation ability for the user fuses knowledge and link up.
Description
Technical Field
The utility model belongs to the technical field of the preparation of mathematics teaching aid, concretely relates to multi-functional geometric figure teaching aid.
Background
At present, the existing triangle teaching tools mainly comprise: the hollow model is made of wood of the triangular plate, the hollow model is made of plastic of the triangular plate, the hollow triangle is spliced by the splicing strips with the openings, and the hollow triangle is spliced by the magnetic splicing strips. The first two types have the functions of measuring and drawing angles (30 degrees, 60 degrees, 75 degrees, 90 degrees, 120 degrees, 135 degrees and 180 degrees) and drawing lines (straight lines, rays, line segments, parallel lines and vertical lines), but are hollow, and are packaged and sold by taking right-angled triangles with angles of 60 degrees and 45 degrees as a set; although the latter two types have more manual operation demonstration functions than the former two types, the requirements of demonstration operation learning are still far from being met. For example, the sum of the two sides of the first two demonstrations is larger than the sum of the three sides, which is not intuitive, and the sum of the two demonstration angles is 180 degrees, so that hands and feet are useless; splicing demonstration operations with the purchased splice bars are also difficult and heavy. When the triangle knowledge is taught, just the limitation of the existing triangle function seriously restricts the manual operation and the perceptual cognitive experience of a teacher, so that the problem that the teacher still has a certain solution after learning still appears, the problem that the teacher cannot hold the three solutions at all, and the teacher cannot know the triangle knowledge and the objective that the teacher cannot know the triangle knowledge after the mathematics pursuit.
Disclosure of Invention
The utility model aims to provide a to the not enough of existence among the prior art, provide one kind and can combine together teaching and learning, realize the teaching of figure concatenation variety, strengthen the student and hand the operational capability for the student combines through the multi-functional geometric figure teaching aid of knowledge.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multifunctional geometric figure teaching aid comprises a rectangular plate I; the rectangular plate I comprises a rectangular plate II and a square plate I;
the square plate I comprises two identical rectangular plates III, one rectangular plate III comprises two identical rectangular plates IV, and the other rectangular plate III comprises two identical square plates II; one of the rectangular plates IV comprises two identical right-angle triangular plates; one square plate II comprises two identical isosceles right-angle triangular plates;
the diagonal length of the rectangular plate II is twice as wide;
the rectangular plates II comprise two identical equilateral triangle plates I and two identical isosceles obtuse angle triangle plates I; the equilateral triangle plate I consists of an isosceles trapezoid plate and an equilateral triangle plate II;
the isosceles obtuse angle triangular plate I consists of an isosceles acute angle triangular plate and an obtuse angle triangular plate, or
The isosceles obtuse angle triangular plate I consists of two identical isosceles obtuse angle triangular plates II and a parallelogram plate.
Further, rectangular plate IV, right triangle shaped board, isosceles right triangle shaped board, square plate II, isosceles trapezoid shaped board, equilateral triangle shaped board II, isosceles acute angle triangle shaped board, obtuse angle triangle shaped board, isosceles obtuse angle triangle shaped board II and parallelogram shaped board. The labeling sequence is beneficial to a user to distinguish graphic plates, and the learning efficiency is improved.
Furthermore, each side of the rectangular plate IV, the right-angle triangular plate, the isosceles right-angle triangular plate, the square plate II, the isosceles trapezoidal plate, the equilateral triangular plate II, the isosceles acute-angle triangular plate, the obtuse-angle triangular plate, the isosceles obtuse-angle triangular plate II and the parallel quadrilateral plate is sleeved with a detachable trapezoidal groove strip matched with the side length; the bottom of the trapezoidal groove strip is provided with a magnetic plate. Utilize the magnetic sheet to attract mutually for the user is at the easy fixed shaping of concatenation graphic board, uses the trapezoidal groove strip of detachable to make the teacher can carry out audio-visual teaching to the length of side formula of figure simultaneously.
Furthermore, the rectangular plate IV, the right-angle triangular plate, the isosceles right-angle triangular plate, the square plate II, the isosceles trapezoidal plate, the equilateral triangular plate II, the isosceles acute angle triangular plate, the obtuse angle triangular plate, the isosceles obtuse angle triangular plate II and the parallelogram plate are all embedded with magnetic blocks. The magnetic block can be adsorbed on the magnetic blackboard, so that students can visually see the operation of a teacher, and the workload of fixing tools on hands of the teacher for a long time can be reduced.
Furthermore, four right angles of the square plate II are all the same right angle sector plates. The four right-angle sector plates can be spliced into a circle.
Further, the three angles of right angle triangle shaped board, isosceles right triangle shaped board, isosceles trapezoid shaped board, equilateral triangle shaped board II, isosceles acute angle triangle shaped board, obtuse angle triangle shaped board and isosceles obtuse angle triangle shaped board II equally divide into three hornblocks, the both sides of cutting apart the limit are equipped with the mark. The triangle block can make the teacher teach the inner angle sum of the triangle, and the two sides of the dividing edge are provided with the diagonal splicing and shape restoring which are convenient for using the mark.
The working method of the multifunctional geometric figure teaching aid comprises the following steps:
1. the rectangular plate IV, the right-angled triangular plate, the isosceles right-angled triangular plate (namely, a 45-degree right triangle), the square plate II, the isosceles trapezoid plate, the equilateral triangle plate II (namely, three angles are 60 degrees), the isosceles acute angle triangular plate (namely, the vertex angle is 30 degrees, two base angles are 75 degrees), the obtuse angle triangular plate, the isosceles obtuse angle triangular plate II (namely, the vertex angle is 120 degrees, two base angles are 30 degrees), and the parallelogram plate can be used for independently performing figure teaching;
2. the edges of the two right-angle triangular plates are correspondingly spliced to obtain an acute-angle triangle, an obtuse-angle triangle and a rectangular plate IV;
3. any isosceles right triangle plate (namely a 45-degree right triangle) is used, and the right-angle side of the isosceles right triangle plate is spliced with the side of the square plate II to obtain a right trapezoid; simultaneously, two isosceles right-angle triangular plates are used, and right-angle sides of the two isosceles right-angle triangular plates are respectively spliced with a group of opposite sides of the square plate II to obtain an isosceles trapezoid;
4. splicing the upper edge of the isosceles trapezoid plate and any edge of the equilateral triangle plate II (namely three angles are all 60 degrees) to obtain an equilateral triangle plate I; splicing any side of the two equilateral triangle plates II to obtain a rhombus;
5. splicing any side of the two equilateral triangle plates II to obtain a rhombus;
6. two isosceles acute angle triangular plates (namely the top angle is 30 degrees, and the two bottom angles are 75 degrees) are used, and the inequilaters of the isosceles acute angle triangular plates are spliced to obtain a rhombus;
7. splicing two obtuse angle triangular plates to obtain a general parallelogram;
8. splicing any side of the equilateral triangle plate II with the equilateral of the isosceles obtuse angle triangle plate II (namely the top angle is 120 degrees and the two bottom angles are 30 degrees) to obtain a right-angled triangle;
9. splicing corresponding edges of the two isosceles obtuse angle triangular plates II to form a parallelogram;
10. and splicing the isosceles obtuse angle triangular plate II with the parallelogram plate to obtain an isosceles trapezoid.
The utility model discloses technical scheme has following beneficial effect:
1. the utility model discloses the cost is cheap, and the preparation mould is light and handy, the student's operation of being convenient for.
2. The utility model discloses single block pattern board type is various, and convenient to use person learns simple figure knowledge, further through concatenation basic figure, obtains special figure to let the user have more in place understanding to the figure, improved the efficiency of study.
3. The utility model discloses carry out the order mark to the figure board of cutting apart, be favorable to the user to distinguish the figure board, improve learning efficiency.
4. The utility model discloses all cup joint the trapezoidal groove of detachable that matches with the length of a side to each side of the graphic board of cutting apart, trapezoidal groove bottom is equipped with the magnetic sheet, utilizes the magnetic sheet to inhale mutually for the user is at the easy fixed shaping of concatenation graphic board, uses the trapezoidal groove of detachable to make the teacher can carry out audio-visual teaching to the length of a side formula of figure simultaneously.
5. The utility model discloses to all imbedding the magnetic path in the pattern board of cutting apart, the magnetic path can adsorb on the magnetism blackboard, makes the student can audio-visual operation of seeing the scholarly, also can reduce the work load of the long-time hand fixing tool of scholarly.
6. The utility model discloses three angle to the triangle pattern board of cutting apart out all includes three hornblocks, and the both sides of cutting apart the limit are equipped with the mark, and three hornblocks can make the teacher to the interior angle of triangle-shaped with teach, and the both sides of cutting apart the limit are equipped with the diagonal angle concatenation and the reduction shape of mark convenient to use mark.
Drawings
Fig. 1 is a schematic plan view of the multi-functional geometry teaching aid according to embodiment 1.
Fig. 2 is a schematic plan view of the multi-functional geometric teaching aid of this embodiment 2.
Fig. 3 is a schematic view of the structure of the trapezoidal groove strip of the present invention.
Fig. 4 is a schematic view of the splicing mode of two right-angled triangular plates of the present invention.
Fig. 5 is a schematic view of the splicing mode of two right-angled triangular plates of the present invention.
Fig. 6 is a schematic view of the splicing mode of the square plate ii and the isosceles right triangle plate of the present invention.
Fig. 7 is a schematic diagram of the splicing mode of the square plate ii and the isosceles right triangle plate of the present invention.
Fig. 8 is the splicing schematic diagram of the isosceles trapezoid plate and the equilateral triangle plate ii of the present invention.
Fig. 9 is a schematic diagram of the splicing of two equilateral triangle plates ii according to the present invention.
Fig. 10 is a schematic diagram of the splicing of two isosceles acute angle triangular plates of the present invention.
Fig. 11 is a schematic diagram of the splicing of two obtuse triangular plates according to the present invention.
Fig. 12 is the utility model discloses a concatenation sketch map of isosceles obtuse triangle-shaped board II and equilateral triangle-shaped board II.
Fig. 13 is the utility model discloses a concatenation sketch map of two isosceles obtuse triangle-shaped boards II.
Fig. 14 is the schematic diagram of the splicing of the isosceles obtuse triangular plate ii and the parallelogram plate of the present invention.
Reference numerals: the magnetic block comprises 1-a rectangular plate IV, 2-a right-angled triangular plate, 3-an isosceles right-angled triangular plate, 4-a square plate II, 5-an isosceles trapezoid plate, 6-an equilateral triangle plate II, 7-an isosceles acute angle triangular plate, 8-an obtuse angle triangular plate, 9-an isosceles obtuse angle triangular plate II, 10-a parallelogram plate, 11-a trapezoidal groove strip, 1101-a magnetic plate and 12-a magnetic block.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1:
a multifunctional geometric figure teaching aid is shown in figure 1 and comprises a rectangular plate I consisting of a rectangular plate II and a square plate I; the square plate I consists of two identical rectangular plates III, one rectangular plate III consists of two identical rectangular plates IV 1, and the other rectangular plate III consists of two identical square plates II 4; one of the rectangular plates IV 1 consists of two identical right-angle triangular plates 2; one square plate II 4 consists of two identical isosceles right-angle triangular plates 3; the diagonal length of the rectangular plate II is twice as wide; the rectangular plate II comprises two identical equilateral triangle plates I and two identical isosceles obtuse angle triangle plates I along a diagonal line; the equilateral triangle plate I consists of an isosceles trapezoid plate 5 and an equilateral triangle plate II 6; the isosceles obtuse angle triangular plate I is composed of an isosceles acute angle triangular plate 7 and an obtuse angle triangular plate 8.
Example 2:
this embodiment differs from embodiment 1 only in that: as shown in fig. 2, the isosceles obtuse triangular plate I consists of two identical isosceles obtuse triangular plates II 9 and a parallelogram plate 10.
Example 3:
this embodiment differs from embodiment 1 only in that: arabic numerals are marked on the rectangular plate IV 1, the right-angle triangular plate 2, the isosceles right-angle triangular plate 3, the square plate II 4, the isosceles trapezoidal plate 5, the equilateral triangular plate II 6, the isosceles acute-angle triangular plate 7 and the obtuse-angle triangular plate 8 in sequence; when in use, the graphics board can be distinguished by Arabic numeral labels.
Example 4:
this embodiment differs from embodiment 2 only in that: the rectangular plate IV 1, the right-angle triangular plate 2, the isosceles right-angle triangular plate 3, the square plate II 4, the isosceles trapezoidal plate 5, the equilateral triangular plate II 6, the isosceles obtuse angle triangular plate II 9 and the parallelogram plate 10 are sequentially provided with letter marks; the graphic board can be distinguished by letter marks when in use.
Example 5:
this embodiment differs from embodiment 3 only in that: detachable trapezoid groove strips 11 matched with the side lengths are sleeved on the sides of the rectangular plate IV 1, the right-angle triangular plate 2, the isosceles right-angle triangular plate 3, the square plate II 4, the isosceles trapezoidal plate 5, the equilateral triangular plate II 6, the isosceles acute-angle triangular plate 7 and the obtuse-angle triangular plate 8; the bottom of the trapezoidal groove 11 is provided with a magnetic plate 1101 (as shown in fig. 3); when splicing is needed, all sides of the pattern plates are spliced, and the magnetic plates 1101 in the trapezoidal groove strips are fixed under the action of magnetic attraction; when the user needs to demonstrate that the sum of any two sides of the comparison triangle is larger than the third side, the detachable trapezoid groove strips 11 are spliced and compared.
Example 6:
this embodiment differs from embodiment 4 only in that: detachable trapezoid groove strips 11 matched with the side lengths are sleeved on the sides of the rectangular plate IV 1, the right-angle triangular plate 2, the isosceles right-angle triangular plate 3, the square plate II 4, the isosceles trapezoidal plate 5, the equilateral triangular plate II 6, the isosceles obtuse-angle triangular plate II 9 and the parallelogram plate 10; the bottom of the trapezoidal groove strip 11 is provided with a magnetic plate 1101; when splicing is needed, all sides of the pattern plates are spliced, and the magnetic plates 1101 in the trapezoidal groove strips are fixed under the action of magnetic attraction; when the user needs to demonstrate that the sum of any two sides of the comparison triangle is larger than the third side, the detachable trapezoid groove strips 11 are spliced and compared.
Example 7:
this embodiment differs from embodiment 5 only in that: rectangular shaped plate IV 1, right triangle shaped plate 2, isosceles right triangle shaped plate 3, square shaped plate II 4, isosceles trapezoid shaped plate 5, equilateral triangle shaped plate II 6, isosceles acute angle triangle shaped plate 7 and obtuse angle triangle shaped plate 8 in all imbed magnetic path 12, when the user needs this to teach with the instrument, can adsorb the graphic board that has magnetic path 12 and carry out audio-visual operation explanation on having the magnetic blackboard.
Example 8:
this embodiment differs from embodiment 6 only in that: rectangular shaped plate IV 1, right triangle shaped plate 2, isosceles right triangle shaped plate 3, square shaped plate II 4, isosceles trapezoid shaped plate 5, equilateral triangle shaped plate II 6, isosceles obtuse triangle shaped plate II 9 and parallelogram shaped plate 10 in all imbed magnetic path 12, when the user need teach with this instrument, can adsorb the graphic board that has magnetic path 12 and carry out audio-visual operation explanation on having the magnetic blackboard.
Example 9:
this example differs from example 7 only in that: the four right angles of the square plate II 4 are all identical right angle sector plates; and splicing the edges of the four rectangular sector plates in the same shape into a circular plate.
Example 10:
this embodiment differs from embodiment 8 only in that: the four right angles of the square plate II 4 are all identical right angle sector plates; all edges of four rectangular sector plates in the same shape are spliced into a circular plate
Example 11:
this embodiment is different from embodiment 9 only in that: the three angles of the right-angle triangular plate 2, the isosceles right-angle triangular plate 3, the equilateral triangular plate II 6, the isosceles acute angle triangular plate 7 and the obtuse angle triangular plate 8 are divided into triangular blocks, and English letter marks are arranged on two sides of the division position; the opposite angles of the sides marked by the three triangular blocks are spliced to obtain 180 degrees, and a user can learn the interior angle sum of the triangle; after the use, the marked edge can be searched to correspondingly restore the complete plate.
Example 12:
this embodiment is different from embodiment 10 only in that: three angles of the right-angle triangular plate 2, the isosceles right-angle triangular plate 3, the equilateral triangular plate II 6 and the isosceles obtuse angle triangular plate II 9 are divided into triangular blocks, and English letter marks are arranged on two sides of the division positions; the opposite angles of the sides marked by the three triangular blocks are spliced to obtain 180 degrees, and a user can learn the interior angle sum of the triangle; after the use, the marked edge can be searched to correspondingly restore the complete plate.
The use method of the multifunctional geometric figure teaching aid of the embodiment comprises the following steps:
1. the teaching aid comprises a rectangular plate IV 1, a right-angled triangular plate 2, an isosceles right-angled triangular plate 3 (namely a 45-degree right triangle), a square plate II 4, an isosceles trapezoid plate 5, an equilateral triangle plate II 6 (namely three angles are 60 degrees), an isosceles acute angle triangular plate 7 (namely an apex angle is 30 degrees and two base angles are 75 degrees), an obtuse angle triangular plate 8, an isosceles obtuse angle triangular plate II 9 (namely an apex angle is 120 degrees and two base angles are 30 degrees) and a parallelogram plate 10, and can be used for independently performing figure teaching;
2. correspondingly splicing the edges of the two right-angled triangular plates 2, obtaining an isosceles acute triangle (shown in figure 4) by adopting a first splicing mode, obtaining an isosceles obtuse triangle (shown in figure 5) by adopting a second splicing mode and obtaining a rectangular plate IV by adopting a third splicing mode;
3. any isosceles right triangle plate 3 (namely a 45-degree right triangle) is used, and a right trapezoid can be obtained by adopting a splicing mode (as shown in fig. 6); simultaneously, two isosceles right-angle triangular plates 3 are used, and an isosceles trapezoid is obtained by adopting a splicing mode II (as shown in figure 7);
4. splicing the upper edge of the isosceles trapezoid plate 5 and any edge of the equilateral triangle plate II 6 (namely three angles are all 60 degrees) to obtain an equilateral triangle plate I (as shown in figure 8);
5. any side of two equilateral triangle plates II 6 is spliced to obtain a rhombus (as shown in figure 9);
6. two isosceles acute triangular plates 7 (namely the top angle is 30 degrees and the two bottom angles are 75 degrees) are used, and the inequilaters of the isosceles acute triangular plates are spliced to obtain a rhombus (as shown in figure 10);
7. two obtuse triangular plates 8 are spliced to obtain a general parallelogram (as shown in FIG. 11);
8. splicing any side of the equilateral triangle plate II 6 with the equilateral of the isosceles obtuse angle triangle plate II 9 (namely the top angle is 120 degrees and the two bottom angles are 30 degrees) to obtain a right-angled triangle (as shown in figure 12);
9. splicing corresponding edges of the two isosceles obtuse angle triangular plates II 9 to obtain a parallelogram (as shown in figure 13);
10. an isosceles obtuse triangular plate II 9 is spliced with a parallelogram plate 10 to form an isosceles trapezoid (as shown in figure 14).
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.
Claims (6)
1. The utility model provides a multi-functional geometric figure teaching aid which characterized in that: comprises a rectangular plate I; the rectangular plate I comprises a rectangular plate II and a square plate I;
the square plate I comprises two identical rectangular plates III, one rectangular plate III comprises two identical rectangular plates IV (1), and the other rectangular plate III comprises two identical square plates II (4); one of the rectangular plates IV (1) comprises two identical right-angle triangular plates (2); one square plate II (4) comprises two identical isosceles right-angle triangular plates (3);
the diagonal length of the rectangular plate II is twice as wide;
the rectangular plates II comprise two identical equilateral triangle plates I and two identical isosceles obtuse angle triangle plates I;
the equilateral triangle plate I consists of an isosceles trapezoid plate (5) and an equilateral triangle plate II (6);
isosceles obtuse triangle shaped plate I constitute by an isosceles acute angle triangle shaped plate (7) and an obtuse angle triangle shaped plate (8), perhaps isosceles obtuse triangle shaped plate I constitute by two the same isosceles obtuse angle triangle shaped plate II (9) and a parallelogram shaped plate (10).
2. The multi-functional geometric teaching aid of claim 1 wherein: rectangular plate IV (1), right triangle shaped board (2), isosceles right triangle shaped board (3), square plate II (4), isosceles trapezoid shaped board (5), equilateral triangle shaped board II (6), isosceles acute angle triangle shaped board (7), obtuse angle triangle shaped board (8), isosceles obtuse angle triangle shaped board II (9) and parallelogram shaped board (10) be equipped with the mark according to the order.
3. The multi-functional geometric teaching aid of claim 1 wherein: each side of the rectangular plate IV (1), the right-angle triangular plate (2), the isosceles right-angle triangular plate (3), the square plate II (4), the isosceles trapezoid plate (5), the equilateral triangular plate II (6), the isosceles acute-angle triangular plate (7), the obtuse-angle triangular plate (8), the isosceles obtuse-angle triangular plate II (9) and the parallel quadrilateral plate (10) is sleeved with a detachable trapezoidal groove strip (11) matched with the side length; the bottom of the trapezoidal groove strip (11) is provided with a magnetic plate (1101).
4. The multi-functional geometric teaching aid of claim 1 wherein: the magnetic block-embedded type rectangular plate comprises a rectangular plate IV (1), a right-angle triangular plate (2), an isosceles right-angle triangular plate (3), a square plate II (4), an isosceles trapezoidal plate (5), an equilateral triangular plate II (6), an isosceles acute-angle triangular plate (7), an obtuse-angle triangular plate (8), an isosceles obtuse-angle triangular plate II (9) and a parallel quadrilateral plate (10), wherein a magnetic block (12) is embedded in the rectangular plate IV (1), the right-angle triangular plate (2), the isosceles right-angle triangular plate (3), the square plate II (4), the isosceles trapezoidal plate (5), the equilateral triangular plate II (6), the isosceles acute-angle triangular plate (7), the obtuse-angle triangular plate (8) and the isosceles obtuse-angle triangular plate II (9) and the parallel quadrilateral plate (10).
5. The multi-functional geometric teaching aid of claim 1 wherein: and four right angles of the square plate II (4) are all identical right angle sector plates.
6. The multi-functional geometric teaching aid of claim 1 wherein: the three angles of right angle triangle shaped plate (2), isosceles right triangle shaped plate (3), equilateral triangle shaped plate II (6), isosceles acute angle triangle shaped plate (7), obtuse angle triangle shaped plate (8) and isosceles obtuse angle triangle shaped plate II (9) equally divide into three hornblocks, the both sides of cutting apart the limit are equipped with the mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120211842.7U CN213958366U (en) | 2021-01-26 | 2021-01-26 | Multifunctional geometric figure teaching aid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120211842.7U CN213958366U (en) | 2021-01-26 | 2021-01-26 | Multifunctional geometric figure teaching aid |
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| CN213958366U true CN213958366U (en) | 2021-08-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114999279A (en) * | 2022-07-26 | 2022-09-02 | 山西能源学院 | Drawing type hexagonal anchor teaching aid for mathematical thinking training |
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2021
- 2021-01-26 CN CN202120211842.7U patent/CN213958366U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114999279A (en) * | 2022-07-26 | 2022-09-02 | 山西能源学院 | Drawing type hexagonal anchor teaching aid for mathematical thinking training |
| CN114999279B (en) * | 2022-07-26 | 2023-09-12 | 山西能源学院 | Drawing type hexagonal anchor teaching aid for mathematical thinking training |
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