Lesson 1

Ruby's Algorithms

Lesson Overview

In this unplugged lesson, students will be introduced to Ruby, a little girl who goes on a big adventure while learning about computer science concepts. They will then learn about algorithms and the importance of sequence through a variety of activities.

Agenda

Ask: Describe an adventure you have gone on.
Read: Hello Ruby Ch. 1-3 (p. 6-23)
Activity: Bossy Little Ruby (from p. 71 in Hello Ruby)
Activity: Hello Ruby Map Algorithms
Reflection & Close-Out:
- What tasks did you create algorithms for today?
- What was challenging about creating algorithms for Ruby today?

Materials

Hello Ruby book or PDF (SFUSD log-in required)
projector, connected to a computer (if using the PDF)
Map Algorithms Activity
- English: simple / extended
- Spanish: simple / extended

Vocabulary

algorithm: steps to complete a task

computer science: using the power of computers to solve problems and express ourselves

Standards

CA CSS: K-2.AP.10 Model daily processes by creating and following algorithms to complete tasks.

Additional Resources

Technology Brain Break: choose a video from this list!

Teacher-Created Resources

coming soon!

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