Practice tones from Day 1 using the "mirror method" (watch your throat/jaw movement). Use tone pair drills (高-高, 高-低, 低-高).
The HSK (Hanyu Shuiping Kaoshi / 汉语水平考试) is the official Chinese proficiency test for non-native speakers. The Standard Course is a textbook series designed specifically to prepare you for each level of this test. HSK 1 Standard Course
The standard curriculum typically consists of 15 lessons, often divided into three main components: HSK Standard Course 1 - Textbook Practice tones from Day 1 using the "mirror