| Teaching approach | Number | |
| Transmission approach | Typically transmission | 12 |
| Mainly transmission, slightly comprehension | 4 | |
| Subtotal | 16 | |
| Comprehension approach | Typically comprehension | 7 |
| Mainly comprehension, slightly transmission | 1 | |
| Mainly comprehension, slightly transformation | 1 | |
| Subtotal | 9 | |
| Inquiry approach | 1 | |
| Transformation approach | 1 | |