Give me a good excuse for changing my math answer

Answer 1

One good excuse for changing your math answer could be that while reviewing the problem again, you realized that you misinterpreted the question and made an error in your initial calculation. Consequently, you spotted the mistake and corrected it for the more accurate answer.

Answer 2

Another

Answer 3

Another good excuse for changing your math answer could be that after discussing the problem with a classmate or seeking help from a teacher, you discovered a more efficient or accurate method of solving the problem. This new approach led you to realize that your initial answer was incorrect, prompting you to make the necessary adjustments and arrive at the correct solution.