@article{8363451a9d5a4676bd23e0f59afcc35b,
title = "Shadow Puppets: Exploring a Context for Similarity and Dilations",
abstract = "Turn a typical geometry problem into a great task that promotes students' reasoning and sense making.",
author = "DeJarnette, {Anna F.} and Lausell, {Sahid L. Rosado} and Gloriana Gonz{\'a}lez",
year = "2015",
month = aug,
doi = "10.5951/mathteacher.109.1.0020",
language = "English (US)",
volume = "109",
pages = "20--27",
journal = "The Mathematics Teacher",
issn = "0025-5769",
publisher = "National Council of Teachers of Mathematics",
number = "1",
}