@inproceedings{pme336559-mcmullenhighschoolerss,
  title={High Schoolers' Spontaneous Use of Cross-notation Knowledge of Rational Numbers},
  author={McMullen, Jake and Star, Jon},
  booktitle={Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1},
  year={2026},
  pages={1011--1018},
  publisher={Psychology of Mathematics Education (PME)},
  issn={2790-3648}
}