The purpose of this lesson is for students to compose and decompose numbers up to 9 in more than 1 way.
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.
Activity 2: Han’s Pattern Block Design
- Compose and decompose numbers up to 9.
- Let’s make and break apart pattern block designs.
- 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
|Activity 1||10 min|
|Activity 2||10 min|
|Activity 3||20 min|
|Lesson Synthesis||10 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.