Organize it! A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines.


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Título Organize it!
Descrição The purpose of this activity is to provide students with the opportunity to practice principles of counting and cardinality. One aspect of counting in the learning trajectory is the ability to maintain one-to-one correspondence when objects are not presented in an organized manner. This exercise provides students a space to develop strategies for arranging objects so that they are easier for students to count. This activity also allows for the reinforcement of the conservation of cardinality. As students rearrange the objects, they may notice that moving objects in the simulation does not result in a change of the amount of objects.
Assunto Matemática
Nível Ensino Primário
Tipo Guided Activity
Duração 30 minutos
Respostas Incluídas Não
Idioma English
Palavras Chave cardinality, organize, ten frame
Simulações Number Play (HTML5)


Autores Dom Carorora, Azar Kamaldar, Ian Whitacre
Escola / Organização Florida State University
Submetido 11-09-2023
Atualizado 14-10-2023