SU938300A1 - Geometry teaching instrument - Google Patents
Geometry teaching instrument Download PDFInfo
- Publication number
- SU938300A1 SU938300A1 SU802889773A SU2889773A SU938300A1 SU 938300 A1 SU938300 A1 SU 938300A1 SU 802889773 A SU802889773 A SU 802889773A SU 2889773 A SU2889773 A SU 2889773A SU 938300 A1 SU938300 A1 SU 938300A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- cylinder
- model
- panel
- projection
- scan
- Prior art date
Links
Landscapes
- Instructional Devices (AREA)
- Electrically Operated Instructional Devices (AREA)
Description
(5) УЧЕБНЫЙ ПРИБОР ПО ГЕОМЕТРИИ(5) EDUCATIONAL INSTRUMENT ON GEOMETRY
Изобретение относитс к учебнотренировочным устройствам по начертательной геометрии при изучении и демонстрации способов построени развертки цилиндра и линий, св занных с ним, на эпюре Ионжа и может быть использовано в вьсших и средних учебных заведени х.The invention relates to training devices for descriptive geometry in the study and demonstration of methods for constructing the development of a cylinder and the lines associated with it on the plot of Ionj and can be used in higher and secondary schools.
Известен учебный прибор по геометрии , содержащий панель и св занную с ней зажимами модель геометрической фигуры Cl A teaching instrument on geometry is known, comprising a panel and a model of a geometric figure Cl associated therewith.
Однако с помощью известного прибора невозможно демонстрировать построение развертки цилиндра с срезом. fjHowever, using a known instrument it is impossible to demonstrate the construction of a cylinder sweep with a cut. fj
Цель изо.бретени - расширение диа пазона решаемых задач.The goal of isobreny is to expand the range of tasks to be solved.
Дл достижени цели в учебном приборе модель выполнена из прозрачного гибкого материала и представл ет раз-.20 вертку цилиндра с косым срезом и нанесенной пр мой, а на панели выполнены проекционный чертеж цилиндра и чертеж его развертки, конгруэнтный модели , при этом один край модели совмещен с осью цилиндра на проекционном чертеже.To achieve the goal in the training device, the model is made of a transparent flexible material and represents a once-.20 twist of the cylinder with an oblique cut and applied straight, and on the panel there is a projection drawing of the cylinder and a drawing of its development, congruent to the model; with the axis of the cylinder on the projection drawing.
На фиг. 1 показан общий вид прибора , вид/сверху; на фиг. 2 - втора проекци прибора.FIG. 1 shows a general view of the device, top view; in fig. 2 - the second projection device.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU802889773A SU938300A1 (en) | 1980-01-18 | 1980-01-18 | Geometry teaching instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU802889773A SU938300A1 (en) | 1980-01-18 | 1980-01-18 | Geometry teaching instrument |
Publications (1)
Publication Number | Publication Date |
---|---|
SU938300A1 true SU938300A1 (en) | 1982-06-23 |
Family
ID=20880880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU802889773A SU938300A1 (en) | 1980-01-18 | 1980-01-18 | Geometry teaching instrument |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU938300A1 (en) |
-
1980
- 1980-01-18 SU SU802889773A patent/SU938300A1/en active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Duval | Representation, Vision and Visualization: Cognitive Functions in Mathematical Thinking. Basic Issues for Learning. | |
Schwartz et al. | The geometric supposer: Using microcomputers to restore invention to the learning of mathematics | |
US6132217A (en) | Method and apparatus for teaching relationship of trigonometric functions between unit circle and rectangular coordinate system | |
SU938300A1 (en) | Geometry teaching instrument | |
Aaron | Reading in mathematics | |
Hirsch et al. | Implementing the standards: Trigonometry today | |
Jencks et al. | Mental imagery in mathematics | |
Pope et al. | Origami and learning mathematics | |
Wolbert et al. | Developing the Concept of a Radian | |
Bankov | Teaching of Geometry in Bulgaria. | |
Mason et al. | Preparation of professionals in reading | |
Ergashovna | Formation Of Concepts About Length In Primary School Students, Developing Length Measuring Skills | |
TR202010865A1 (en) | An educational material. | |
Neumann | Demonstrating the relationship between three-dimensional figures and their two-dimensional representations to blind students of mathematics | |
Leary | Analytic Geometry in the High School | |
Sawyer | Algebra in grade five | |
Farjou | Reflecting on the Cloud Clock problem | |
Boncea | Using Knowledge of Basic Mathematics to Increase Technical English Literacy | |
Aman | Discovery on a geoboard | |
BR102022002245A2 (en) | CIRCULAR TRIGONOMETER | |
Graf et al. | NEW POSSIBLE GEOMETRICAL ACTIVITIES | |
RU8144U1 (en) | VISUAL DEMO | |
Newson et al. | Trigonometry without angles | |
CN110491254A (en) | A kind of mathematics learning aid corner instrument | |
Hart et al. | Plane geometry |