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Standards-based assessment and Instruction

Spanish Translation

Piezas de rompecabezas

Task

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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