Multifunctional mathematics teaching aid ruler
The utility model discloses a multifunctional mathematics teaching aid ruler, which relates to the technical field of teaching auxiliary instruments and comprises a main ruler, an auxiliary ruler and an angle ruler. The main ruler is in a long strip shape, length scales are symmetrically arranged on...
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | The utility model discloses a multifunctional mathematics teaching aid ruler, which relates to the technical field of teaching auxiliary instruments and comprises a main ruler, an auxiliary ruler and an angle ruler. The main ruler is in a long strip shape, length scales are symmetrically arranged on the top face of the main ruler, auxiliary grooves are symmetrically formed in the side faces of the main ruler, and sliding grooves penetrating through the auxiliary grooves are symmetrically formed in the top face of the main ruler. The auxiliary ruler is in a long strip shape, a stud is arranged on the auxiliary ruler, and a nut is arranged on the stud. The angle square is a protractor; the auxiliary ruler is installed in the auxiliary groove, the stud penetrates through the sliding groove, and the nut is located outside the sliding groove. The angle square is installed on the side wall of the auxiliary ruler. The teaching aid is convenient for teachers to intuitively explain mathematical concepts and perform de |
|---|