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Dynamic Measurement: The Crossroad of Area and Multiplication
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Panorkou, Nicole – North American Chapter of the International Group for the Psychology of Mathematics Education, 2017
In this exploratory study, our goal was to engage students in dynamic experiences of area as a continuous quantity that can be measured by multiplicatively composing two linear measures (lengths), an approach we refer to as 'dynamic measurement,' or DYME. In this paper, we present the learning trajectory constructed from two cycles of teaching…
Descriptors: Multiplication, Geometric Concepts, Measurement, Grade 3
The Interplay between Students' Understandings of Proportional and Functional Relationships
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Stephens, Ana; Strachota, Susanne; Knuth, Eric; Blanton, Maria; Isler, Isil; Gardiner, Angela – North American Chapter of the International Group for the Psychology of Mathematics Education, 2017
This research explores the interplay between students' understandings of proportional and functional relationships. Approximately 90 students participated in an early algebra intervention in Grades 3- 5. Before the intervention and after each year of the intervention, we evaluated their understandings of proportional and functional relationships.…
Descriptors: Algebra, Early Intervention, Grade 3, Grade 4