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Paper 3: Extending K-8 Mathematics Concepts In Alternate Bases, Dianna J. Spence
Paper 3: Extending K-8 Mathematics Concepts In Alternate Bases, Dianna J. Spence
Georgia Association of Mathematics Teacher Educators (GAMTE) Annual Conference
When learning to represent mathematics with manipulatives, many pre-service K-8 teachers rely on memorized rote procedures to perform the associated mathematical tasks; then they arrange the manipulatives to match their result, often with minimal understanding of underlying mathematical connections. In a Number and Operations course for K-8 pre-service teachers, a portion of the class was conducted in alternate bases: Base 6 and Base 8 Blocks were used to model operations with integers to facilitate deeper understanding of the number systems and arithmetic processes being represented. Fractions and decimals were later covered only in Base 10. On midterm and final exams, …