O que as pesquisas em educação matemática apontam sobre estimativas numéricas de crianças?

Trata-se de uma revisao bibliografica acerca do conhecimento produzido sobre estimativa numerica nas ultimas tres decadas, com objetivo de destacar a sua importância enquanto habilidade matematica. Observou-se que estao sendo discutidos cinco aspectos principais: as suas possiveis bases mentais, a sua relacao com a representacao mental dos numeros, o uso de estrategias e as maneiras de avaliar o seu desempenho (julgamento de quantidades e estimativa na reta numerica). Os resultados indicam que os sujeitos possuem diferentes formas de representacao numerica mental e de estrategias de resolucao de tarefas envolvendo estimativa numerica, demonstrando que o processo estrategico e dinâmico e construido pelo sujeito de acordo com os fatores envolvidos na situacao apresentada. Conclui-se que a estimativa numerica e considerada, pelos estudos revisados, uma habilidade matematica necessaria para o sucesso na vida adulta, devendo, portanto, ter espaco de discussao na escola.

• Publication year

  2019

• Venue

  Unknown venue

• Publication date

  2019-12-25

• Fields of study

  Not labeled

• Identifiers
  DOI 10.20396/zet.v27i0.8652389
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

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• No concepts are published for this paper.

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