# Lesson 7

Día 1 de centros

### Lesson Purpose

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

### Lesson Narrative

In Activity 1, students learn a new center called, Compare. They find and compare sums and differences within 10. In Activity 2, students choose an activity to work on that focuses on addition and subtraction within 10.

• MLR8

Teacher Facing

### Student Facing

• Juguemos juegos para practicar sumas.

### Required Materials

Materials to Gather

Materials to Copy

• Compare Stage 1 Subtraction Cards to 10
• Compare Stage 1 Addition Cards to 10

### Required Preparation

Activity 1:

• Create a set of Addition Fact Cards to 10 and Subtraction Fact Cards to 10 from the blackline master for each group of 2.

Activity 2:

• Gather materials from previous centers:
• Number Puzzles, Stage 1
• Find the Pair, Stage 2
• Compare, Stage 1

Building Towards

### Lesson Timeline

 Warm-up 10 min Activity 1 15 min Activity 2 25 min Lesson Synthesis 10 min Cool-down 0 min

### Teacher Reflection Questions

What do your students think it means to be good at math? How are you helping them change negative impressions they might have about their ability to reason mathematically?