Your school professionals appear to have developed an IEP to address your daughter’s needs. If you are not comfortable with this IEP, you have two choices.
Dyscalculia, or difficulty learning and applying math, is considered a type of a learning disability. If you have never had studies done to answer your question, you should do so now.
There are many types of memory - working memory, short term memory, long term memory. And each type of memory is different for visual and for auditory processing.