Unit 7, Lesson 2
Construyamos figuras usando otras figuras
Grado 1
Warm-up
Observa y pregúntate: Un puente de figuras
Instructional Routines
Notice and Wonder
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Materials
None
Activity Narrative
The purpose of this Warm-up is to elicit the idea that three-dimensional shapes can be used to make larger shapes. Students are introduced to the terms “rectangular prism” and “triangular prism,” but are not expected to produce those terms in grade 1.
Launch
- Groups of 2
- Display the image.
- “¿Qué observan? ¿Qué se preguntan?” // “What do you notice? What do you wonder?”
- 1 minute: quiet think time
Activity
- “Discutan con su compañero lo que pensaron” // “Discuss your thinking with your partner.”
- 1 minute: partner discussion
- Share and record responses.
¿Qué observas?
¿Qué te preguntas?
Student Response
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Advancing Student Thinking
Activity Synthesis
- “¿Qué figuras sólidas ven en esta imagen?” // “What solid shapes do you see in the picture?” (cubes, triangle blocks, rectangle blocks)
- Display a triangular prism.
- “Vieron figuras como esta en la imagen. La figura se llama un ‘prisma triangular’. Digan ‘prisma triangular’” // “You saw shapes like this in the picture. It is called a ‘triangular prism.’ Say, ‘triangular prism.’”
- Display a rectangular prism.
- “Vieron figuras como esta en la imagen. La figura se llama un ‘prisma rectangular’. Digan ‘prisma rectangular’” // “You saw shapes like this in the picture. It is called a ‘rectangular prism.’ Say, ‘rectangular prism.’”
- Display each shape a few times and invite students to chorally repeat the names in unison one or two times:
- Rectangular prism
- Triangular prism
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