Unit 7, Lesson 1
Figuras que son sólidas
Grado 1
Preparation
Lesson Narrative
In kindergarten, students were introduced to the names of squares, rectangles, triangles, circles, cubes, spheres, and cylinders. They sorted these shapes into categories and used their own language to describe them.
The purpose of this lesson is for students to use the language they already have to talk about three-dimensional shapes. This gives the teacher a chance to informally assess students’ language, such as shape names and the words used to describe them (MP6). Students are reintroduced to the names of three-dimensional shapes (cube, sphere, cylinder, and cone) over the next two lessons. Students do not need to use specific geometric vocabulary in this lesson; however, the teacher should use precise language to identify and describe shapes, especially “rectangular prism” and “triangular prism,” which may be new terms for students.
- Action and Expression
None
- Describe (orally) three-dimensional shapes, using informal language.
- Explain (orally) approaches for sorting three-dimensional shapes in different ways.
- Clasifiquemos y describamos figuras sólidas.
Required Materials
Activity 1
Required Preparation
- Each group of 2 students needs about 15 different geoblocks and solid shapes, including different-sized cubes, cylinders, cones, spheres, rectangular prisms, and triangular prisms.
- Place one solid shape (sphere, cone, cylinder, cube, triangular prism, or rectangular prism) in each bag. Each group of 2 students needs one bag.
- Consider making one or two more, so there are extras if students finish a bag.
- The chart made during the previous activity should be displayed for all to see.
Suggested Centers
NoneTeacher Reflection Questions
Reflect on the language students used to describe solid shapes. How can you help students begin to use more precise language in the next lesson?