Translate the numerical scale to verbal scale and vice versa for the provided tasks.

1. 1:10,000 — 1 cm corresponds to 100 m. 2. 1 cm corresponds to 500 m — 1:50,000. 3. 1:2,500 — 1 cm corresponds to 25 m. 4. 1 cm corresponds to 1 km — 1:100,000. 5. 1:30,000,000 — 1 cm corresponds to 300 km. 6. 1 cm corresponds to 25 m — 1:2,500.