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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Our school subscribes to the Exemplars Library. I find the formative tasks aligned to the Common Core are strong and can be easily embedded in any curriculum. Having a more accessible and more challenging version of each task provides teachers' support as they have the resources to problem solve across different levels of understanding in their classrooms … Students are enjoying the tasks and are demonstrating a deeper understanding of the underlying concepts of the standards as they apply formal math language, accurate representations and connections.
C. Hemley
Principal
PS 94
New York
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