Lesson 9

My Own Flag (optional)

Lesson Purpose

The purpose of this lesson is for students to design a flag and use multiplication of fractions to determine how much fabric is needed to create the flag.

Lesson Narrative

In this lesson, students are introduced to principles of flag design from the North American Vexillological Association. In the first activity, they make sense of what each principle means and see how they are applicable to a collection of given flags. In the second activity, they design their own flags, solve problems involving area and multiplication of fractions, and share their design with peers.
  • Engagement

Learning Goals

Teacher Facing

  • Solve real world problems involving multiplication of fractions.

Student Facing

  • Let’s design our own flag.

Required Materials

Required Preparation

Activity 2:

  • Each student needs a ruler, a set of colored pencils or crayons, and a piece of paper.

CCSS Standards

Addressing

Building Towards

Lesson Timeline

Warm-up 10 min
Activity 1 20 min
Activity 2 20 min
Lesson Synthesis 10 min

Teacher Reflection Questions

Unlike talking, listening is a difficult thing to observe. At what points in the lesson did you observe students listening to one another’s ideas today in class? What indicators do you have that they were listening?

Suggested Centers

  • Rolling for Fractions (3–5), Stage 4: Multiply Fractions (Addressing)
  • Compare (1–5), Stage 4: Divide within 100 (Supporting)
  • How Close? (1–5), Stage 7: Multiply Fractions and Whole Numbers to 5 (Supporting)

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