Dr N. Trakulphadetkrai from the University of Reading, UK leads an international team researching the learning of mathematics through stories.
He suggests in using mathematics resources you consider the representation of females. In the use of stories to teach maths he suggests you consider:
“1. To what extent does the visibility of female characters differ from that of their male counterparts in:
1.1) the book titles;
1.2) the gender of characters shown on front cover;
1.3) the amount of dialogue given to characters; and