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

Addressing

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

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