Supplementary materials to: Tian, J., Leib, E. R., Griger, C., Oppenzato, C. O., & Siegler, R. S. (2022). Biased problem distributions in assignments parallel those in textbooks: Evidence from fraction and decimal arithmetic. Journal of Numerical Cognition, 8(1), 73–88. https://doi.org/10.5964/jnc.6365 ; Appendix A. Tables A1 – A3, percentages of each type of fraction arithmetic problems in GO Math!, enVisionmath, and Everyday Mathematics (adapted from Braithwaite et al., 2017). Appendix B. Table B, percentages of each type of fraction arithmetic and decimal arithmetic problems in the classroom assignments, calculated by averaging across the percentages of each type of problems from each teacher. Appendix C. Tables C1 and C2, percentages of each type of fraction arithmetic and decimal arithmetic problems in the classroom assignments. Appendix D. Grade level analyses of problems in the textbooks and the assignments.
Supplementary materials to: Biased problem distributions in assignments parallel those in textbooks: Evidence from fraction and decimal arithmetic
2022-01-01
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