# The Development of a Quadratic Functions Learning Progression and Associated Task Shells

> Research article (ETS Research Report Series, 2018) · cited 12× · AI/ML

**Wikidata**: [openalex:W2905856988](https://www.wikidata.org/wiki/openalex:W2905856988)  
**Source**: https://4ort.xyz/entity/the-development-of-a-quadratic-functions-learning-progression-and-associated-task-shells