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Learn how to use instructional routines to facilitate problem-based learning!
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The purpose of this Number Talk is to elicit strategies and understandings students have for multiplying within 100. These understandings help students develop fluency and will be helpful later in this lesson when students multiply side lengths to find area. While recording students’ thinking, consider using equal groups or arrays, as in the images in the Warm-up of the previous lesson.
Encuentra mentalmente el valor de cada expresión.
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Elena planea construir una cama de jardín elevado para la huerta comunitaria. La cama de jardín va a ser rectangular. Un lado debe medir 3 pies de largo. Para que quepan todas sus plantas, Elena necesita un espacio que tenga al menos 20 pies cuadrados. Ella tiene suficiente tierra para una cama de jardín de 30 pies cuadrados.
¿Cuáles son algunos tamaños posibles de su cama de jardín?
Haz un póster para mostrar cómo pensaste. Organízalo para que los demás puedan entenderlo.
Mientras miras los pósteres con tu grupo:
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