Answer:
The characteristics of a good math explanation are following:
1. Step by step explanation: The first characteristics of a good math explanation is step by step solution. Do not skip steps because the assumption that the other person knows what you did is not always correct.
2. Justify each step: Mention the reasons behind each step, i.e, theorem, formula, rule etc.
3. Result verification: After find the solution the last step is to verify the solution.
We need to check whether the solution fulfills the given conditions or not. If it satisfy all the given conditions, then it is correct otherwise we need to check our work.