TY - GENERIC DO - 10.20944/preprints202010.0314.v1 UR - http://dx.doi.org/10.20944/preprints202010.0314.v1 TI - Creative Mathematical Thinking in a Numbers Game T2 - Preprints AU - Kruis, Joost AU - Stevenson, Claire AU - van der Maas, Han L. J. PY - 2020 DA - 2020/10/15 PB - Preprints