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|Confrey, Jere, et al.|
|Learning trajectories that unpack the K-8 Common Core State Standards (CCSSS) for Mathematics from the standpoint of student learning, and elaborate the underlying scientific research in mathematics education. Click on a hexagon or a trajectory for detailed descriptors that articulate students' progression from prior knowledge and naïve conceptions to more sophisticated mathematical concepts and reasoning. Generating Increased Science and Math Opportunities (GISMO) receives support from the National Science Foundation (NSF), the Oak Foundation, and the Joseph D. Moore Endowment.|
|Levels:||Elementary, Middle School (6-8)|
|Math Ed Topics:||Standards, Common Core|
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