No Más Caídas
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下载链接：
https://dataverse.lib.virginia.edu/citation?persistentId=doi:10.18130/V3/IFKSBY
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资源简介：
No Más Caídas is a manipulative that helps children learn to count by forming groups of fives and tens (i.e., by subitizing), generalize strategies for composing and decomposing numbers, and develop a sense of the nested nature of numbers.
提供机构：
University of Virginia Dataverse
创建时间：
2023-11-08
