Online help is common, now a days. Be regular in studies by making time table. Try to give at least two hours for Maths in class 7. Practice each of your exercise by taking help from online websites and apps. If a student is doing math regularly for 1 to 2 hours, he will be able to complete the entire syllabus of 7th Maths for 2022-2023 with in three or four months. Later on he has to revise only during the rest period of academic session.