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Williams-Pierce, Caro; Plaxco, David; Reimer, Paul N.; Simpson, Amber; Orrill, Chandra Hawley; Burke, James P.; Sinclair, Nathalie; Guyevskey, Victoria; Ellis, Amy B.; Dogan, Muhammed F. – North American Chapter of the International Group for the Psychology of Mathematics Education, 2019
Mathematical play has a fairly short history, with strong roots further back in time (e.g., Papert, Montessori), and understanding the role of mathematical play from early childhood to adulthood is, as yet. unmapped. This working group will build on the success of last year's working group and continue to provide a community space to explore and…
Descriptors: Mathematics Instruction, Play, Mathematics Activities, Age Differences
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Ellis, Amy B.; Ozgur, Zekiye; Kulow, Torrey; Dogan, Muhammed F.; Amidon, Joel – Mathematical Thinking and Learning: An International Journal, 2016
This article presents an Exponential Growth Learning Trajectory (EGLT), a trajectory identifying and characterizing middle grade students' initial and developing understanding of exponential growth as a result of an instructional emphasis on covariation. The EGLT explicates students' thinking and learning over time in relation to a set of tasks…
Descriptors: Numbers, Mathematics, Mathematics Instruction, Middle School Students