# Lesson 12

¿Cuántos hay? (Parte 1)

### Lesson Purpose

The purpose of this lesson is for students to count collections of objects. The focus is saying one number for each object.

### Lesson Narrative

Students are introduced to a new routine called Questions About Us. In this version, they figure out how many students are in the classroom today. Students then count objects in different collections in a way that makes sense to them. The second activity is an optional activity that provides support in orally counting to 10. Throughout the section, observe students for the look-fors on the Unit 1, Sections A-D Checkpoint.

• Action and Expression
• MLR8

Activity 1: Contemos colecciones

### Learning Goals

Teacher Facing

• Count collections of objects.
• Say one number for each object.

### Student Facing

• Contemos colecciones de objetos.

### Required Materials

Materials to Gather

Materials to Copy

• Counting Mat
• Pattern Blocks Stage 3 Directions

### Required Preparation

Activity 1:

•  Based on their formative assessment data, each student needs:
• collection of 1–5 objects
• collection of 6–10 objects
• collection of more than 10 objects (optional)

Activity 3:

• Gather materials from:
• Connecting Cubes, Stages 1 and 2
• Pattern Blocks, Stages 1 and 2
• Geoblocks, Stages 1 and 2
• Picture Books, Stages 1 and 2

Building Towards

### Lesson Timeline

 Warm-up 10 min Activity 1 15 min Activity 2 10 min Activity 3 20 min Lesson Synthesis 5 min Cool-down 0 min

### Teacher Reflection Questions

Each lesson in this section includes an optional activity with additional support in developing counting concepts. What have you observed that indicates whether or not students may benefit from these activities?