A. You must be judicious about your time. Try to allocate more time to those sections that trouble you. If IELTS writing task 2 is posing more problems, then allocate more time to it. There is no definite number of IELTS essays that you must practice in order to score above 7.0. However, you must appear for as many mock tests as possible. Moreover, go through the official IELTS websites and Cambridge IELTS books thoroughly. These must be at the base of your preparation.