Andy está armando un rompecabezas. El rompecabezas tiene ciento cincuenta piezas.
El primer día Andy arma treinta y seis piezas.
El segundo día Andy arma cuarenta y una piezas.
El tercer día Andy arma sesenta y ocho piezas.
Andy está molesto porque ya no quedan piezas. ¿Cuántas piezas necesita Andy para terminar de armar el rompecabezas? Demuestra todo tu razonamiento matemático.
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Exemplars math problems and rubrics have been available to Amphitheater teachers since 1998. The materials were distributed through our District Math Team. Each school received information and explanations from their site leader. Classes covering the use of problems and the rubrics were also included in the district professional development program. In addition, the District Math Specialist provided in-service to individual schools.
Rosemary Beck
Math Resource Teacher
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