Lesson 2

Formemos y separemos diseños con fichas geométricas

Lesson Purpose

The purpose of this lesson is for students to compose and decompose numbers up to 9 in more than 1 way.

Lesson Narrative

In a previous unit, students made designs with pattern blocks and counted how many of each pattern block they used. In this lesson, students make and share a design with the same total number of pattern blocks but different numbers of individual pattern blocks.

  • Representation
  • MLR8

Activity 2: El diseño con fichas geométricas de Han

Learning Goals

Teacher Facing

  • Compose and decompose numbers up to 9.

Student Facing

  • Formemos y separemos diseños hechos con fichas geométricas.

Required Materials

Required Preparation

Activity 3:

  • Gather materials from: 
    • Check It Off, Stage 1
    • Find the Value of Expressions, Stage 1
    • Bingo, Stages 1–3
    • Shake and Spill, Stages 1–3

CCSS Standards


Lesson Timeline

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

Teacher Reflection Questions

Identify who has been sharing their ideas in class lately. Make a note of students whose ideas have not been shared and look for an opportunity for them to share their thinking in tomorrow’s lesson.

Print Formatted Materials

Teachers with a valid work email address can click here to register or sign in for free access to Cool Down, Teacher Guide, and PowerPoint materials.

Student Task Statements pdf docx
Lesson Cover Page pdf docx
Teacher Guide Log In
Teacher Presentation Materials pdf docx