To become a secondary school teacher in Australia after completing a master's in mathematics: 1. Check Eligibility: Ensure you meet the criteria for teacher education programs 2. Enroll in a 3. Program: Join a recognized teacher education program with a secondary education focus. 4. Gain 5. Experience: Complete supervised teaching placements to gain practical experience. 6. Obtain Registration: Apply for teacher registration with the state or territory authority. 7. Apply for Jobs: Submit applications for secondary school teaching positions. 8. Continuous Development: Engage in professional development and networking to enhance your skills and stay updated.