Do I need to be good at math to study computer science?

Short answer first: Yes you have to be good in math, or you need to have at least fair knowledge of math; but you really must have very good knowledge of Discrete Maths, for logical operations

for the record, math helps us ( Programmers ) in programming as it makes us make better efficient algorithm at our own, and opens our mind to look for solutions of problems in many different angles.

Yes, although moderate peoples could also learn how to study computer science. 

Not necessary , you should be a good learner , your thinking should be logical , unless we make mistakes , we cannot learn , we cannot explore.Computer Science is an ocean the deep you go , the more you will learn. no one is born expert.

yes you must be good imn math

to study computer you have to be good in math because computer is very large world 

To study computer science you should be good at crunching numbers because the underlying concepts of every theory in computer science is related to Mathematics and Logic.  But if you want to become a software engineer you can do it with comparatively less work mathematics

yes you have to be good in math in order to Understand the logical operations and dealing with computer languages Alastenbatih

Mathematics is also working on a proper understanding of the language computer and started working on mathematical intelligence and working on the development of mathematics

yes you have to be good in math its all about math if want to be softwear engineer