What shall I do after B.Sc to become a maths teacher?

I would recommend you to do M.Sc and then B.Ed. It will be a good option according to me.

You will have to do B.Ed (maths) to become teacher and M.Ed for a lecturer.

Yes, and after B.Sc if you want to become primary teacher, then go for B.Ed, or if you want to become high school teacher or lecturer, then pursue a PG course and Ph.D, and then clear the NET exam.

After B.Sc, you have to go for B.Ed. You can go for TGT Maths , or qualify state TET or CTET and apply for upper primary teacher. After B.Sc , you have to go for B.Ed. You can go for TGT Maths , or qualify state TET or CTET and apply for upper primary teacher.

For that you have to do M.Sc followed by PhD with NET.

You should go for M.Sc in mathematics. You can become a teacher or professor in universities and colleges by qualifying NET exam. You can also be a professor at engineering colleges, or can be a senior college lecturer or junior college lecturer.

A Bachelor's degree preferably in mathematics, math science, statistics or related discipline is a minimum education requirement for math teachers at the middle and high school levels. Degree options may include a Bachelor of Science in Mathematics Education, a Bachelor of Science in Education with