Unit 5, Lesson 1
Hagamos 2 partes
Kínder
Preparation
Lesson Purpose
The purpose of this lesson is for students to compose and decompose numbers up to 9 and understand that numbers can be composed and decomposed in more than one way.
Lesson Narrative
In the first activity, students identify that the total number of connecting cubes stays the same when decomposed into 2 parts. In the second activity, students discuss that the same number of objects can be decomposed into 2 parts in more than one way.
- Action and Expression
- MLR8
- Comprehend (in spoken language) the term “part” refers to a portion of a total collection.
- Use objects to compose or decompose a number within 9.
- Separemos números en partes.
Required Materials
Activity 1
Activity 2
Required Preparation
Activity 1
- Each student needs 6 connecting cubes.
Activity 3
- Gather materials from previous centers:
- Find the Value of Expressions, Stage 1
- Bingo, Stages 1–3
- Shake and Spill, Stages 1–3
Suggested Centers
NoneTeacher Reflection Questions
What was the best question you asked students today? Why would you consider it the best one based on what students said or did?
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