Christou, K. P., & Vosniadou, S. (2012). What kinds of numbers do students assign to literal symbols? Aspects of the transition from arithmetic to algebra. Mathematical Thinking and Learning, 14(1), 1–27. https://doi.org/10.1080/10986065.2012.625074
Christou, K. P., & Vosniadou, S. (2012). What kinds of numbers do students assign to literal symbols? Aspects of the transition from arithmetic to algebra. Mathematical Thinking and Learning
, 14(1), 1–27. https://doi.org/10.1080/10986065.2012.625074)| false
Dougherty, B. J., DeLeeuw, W., Foegen, A., Olson, J., Genareo, V., & Karaman, R. (2017). Algebra screening and progress monitoring: Expert panel review of conceptual measures, technical report #6.
Dougherty, B. J., DeLeeuw, W., Foegen, A., Olson, J., Genareo, V., & Karaman, R. (2017). Algebra screening and progress monitoring: Expert panel review of conceptual measures, technical report #6.)| false
Katella, K. (2021). Five things to know about the delta variant. Yale Medicine. https://www.yalemedicine.org/news/5-things-to-know-delta-variant-covid)| false
Kaput, J. J. (2000). Teaching and learning a new algebra with understanding. National Center for Improving Student Learning and Achievement in Mathematics and Science.
Kaput, J. J. (2000). Teaching and learning a new algebra with understanding
. National Center for Improving Student Learning and Achievement in Mathematics and Science.)| false
National Governors Association Center for Best Practices & Council of Chief State School Officers. (2010). Common core state standards for mathematics. http://www.corestandards.org
National Governors Association Center for Best Practices & Council of Chief State School Officers. (2010). Common core state standards for mathematics
. http://www.corestandards.org)| false
Scheiner, T. (2016). New light on old horizon: Constructing mathematical concepts, underlying abstraction processes, and sense making strategies. Educational Studies in Mathematics,91(2), 165–183. https://doi.org/10.1007/s10649-015-9665-4
Scheiner, T. (2016). New light on old horizon: Constructing mathematical concepts, underlying abstraction processes, and sense making strategies. Educational Studies in Mathematics,91(2), 165–183. https://doi.org/10.1007/s10649-015-9665-4)| false
Subramaniam, K., & Banerjee, R. (2011). The arithmetic-algebra connection: A historical-pedagogical perspective. In J.Cai & E.Knuth (Eds.), Early algebraization: Advances in mathematics education (pp. 87–105). Springer.
Subramaniam, K., & Banerjee, R. (2011). The arithmetic-algebra connection: A historical-pedagogical perspective. In J.Cai & E.Knuth (Eds.), Early algebraization: Advances in mathematics education
(pp. 87–105). Springer.)| false