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The AtrMini program
Attractor Association
Mathematics in preschool education: The order of tens
Carlos Pereira dos Santos, Ricardo Cunha Teixeira
Fractions (part I)
Carlos Pereira dos Santos, Ricardo Cunha Teixeira
The Sense of Division: An Experience with 6th Grade Students
Alexandra Gomes, Cristiana Pereira
Hierarchical classification of quadrilaterals and mathematical communication: An experience with 4th grade students
Alexandra Gomes, Cristiana Pereira
Our grandparents' problems (3)
Helder Pinto