Lesson 18
Día 3 de centros
Lesson Purpose
The purpose of this lesson is for students to count, compare, and write two-digit numbers.
Lesson Narrative
In the first activity, students learn a new center called Get Your Numbers In Order. In the second activity, students organize, count, and represent collections, and write numbers.
Learning Goals
Teacher Facing
- Count objects in a collection and record the count.
- Create, compare, and order two-digit numbers.
- Write numbers up to 99.
Student Facing
- Juguemos juegos sobre decenas y unidades.
Required Materials
Materials to Gather
Materials to Copy
- Get Your Numbers in Order Stage 1 Gameboard, Spanish
Required Preparation
Activity 1:
- Put each gameboard in a sheet protector.
Activity 2:
- Gather materials from previous centers:
- Greatest of Them All, Stage 1
- Grab and Count, Stage 2
- Write Numbers, Stages 1 and 2
Lesson Timeline
| Warm-up | 10 min |
| Activity 1 | 20 min |
| Activity 2 | 20 min |
| Lesson Synthesis | 10 min |
Teacher Reflection Questions
When do your students feel successful in math? How do you know?