Lesson 3
Ruby's Big Events
In this unplugged lesson, students will be introduced to the computer science concept of events as Ruby continues her journey to find the five gems. Students will then participate in an engaging, hands-on unplugged activity to further explore events.
Agenda
Agenda
- Ask: What do you remember about Ruby and her adventure from the last class?
- Read: Hello Ruby Ch. 6-7 (p. 38-51)
- Activity: The All-Commanding Button
- Activity: Universal Remote Control
- Reflection & Close-Out:
- What things did Ruby's friends do that are things computer scientists also do?
- What did you cause to happen using events (buttons on the remote) today?
Materials
Materials
- Hello Ruby book or PDF (SFUSD log-in required)
- projector, connected to a computer
- Universal Remote Control handout
- crayons, markers, and/or colored pencils
Vocabulary
Vocabulary
algorithm: steps to complete a task
computer science: using the power of computers to solve problems and express ourselves
event: an action that causes something to happen
Additional Resources
Additional Resources
- Technology Brain Break: choose a video from this list!
- Hello Ruby Universal Remote alternate activity handout and lesson from the Hello Ruby website
Standards
Standards
CA CSS: K-2.AP.10 Model daily processes by creating and following algorithms to complete tasks.
CA CSS: K-2.AP.12 Create programs with sequences of commands and simple loops, to express ideas or address a problem.