TY - JOUR T1 - From whole numbers to fractions to word problems: Hierarchical relations in mathematics knowledge for Chinese Grade 6 students JO - Journal of Experimental Child Psychology UR - http://dx.doi.org/10.1016/j.jecp.2024.105884 PY - 2024/02/23 AU - Xu C AU - Di Lonardo Burr S AU - Li H AU - Liu C AU - Si J ED - DO - DOI: 10.1016/j.jecp.2024.105884 PB - Elsevier BV VL - 242 SP - 105884 EP - 105884 Y2 - 2025/04/09 ER -