# Lesson 16

Center Day 3

### Lesson Purpose

The purpose of this lesson is for students to practice adding and subtracting within 10.

### Lesson Narrative

In Activity 1, students learn a new stage in the Capture Squares center. In this stage students subtract numbers within 10. In Activity 2, students choose an activity to work on that focuses on addition and subtraction within 10.

• Representation
• MLR2

### Learning Goals

Teacher Facing

• Add and subtract within 10.
• Tell and solve math stories based on a representation.

### Student Facing

• Let’s play games to practice adding and subtracting.

### Required Materials

Materials to Gather

Materials to Copy

• Capture Squares Stage 2 Gameboard

### Required Preparation

Activity 2:

• Gather materials from previous centers:
• Math Stories, Stage 4
• Shake and Spill, Stage 3 and 4
• What's Behind My Back, Stage 2

### Lesson Timeline

 Warm-up 10 min Activity 1 20 min Activity 2 20 min Lesson Synthesis 10 min

### Teacher Reflection Questions

Who got to do math today in class? How can you adjust norms, routines, or groups so all students do math during centers?

### Print Formatted Materials

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