Without being openly sympathetic, inform the child that you understand its frustration. Do not say, Ah, I also don't like math! It is, however, very positive to say, math was initially difficult for me, but I pressed on and got the hang of it.
The present generation seems to be blessed immensely with intellect and the benefits of mastering math are something worth considering. It is a well-known fact that math is not a subject that one learns by simply reading the problems and its solutions.
Parents can go onto the various online portals to find suitable option to help their children learn math solving problem skills. Thorough research over the internet will give a wide range of websites that offers right set of math worksheets for children.
Always be on the look out for tears of frustration, so as to all the child some break. No one learns well enough when confused. At this point both concentration and effective learning are lost. But if you are sure that the tears are merely excuses to skip the homework, pretend to abandon him with the worksheets and let him sweat it out!