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This lesson accompanies the BrainPOP topic Binary, and supports the standard of understanding that computers use binary numbers to represent information and analyzing this differs from base-10. Students demonstrate understanding through a variety of creative projects.

Step 1: ACTIVATE PRIOR KNOWLEDGE

Display an image, or show a real example in your classroom, of a common binary system like the one below:

• Observe the light switch. What are the two conditions you see here?
• What other common systems have two conditions?

Step 2: BUILD BACKGROUND

• Read aloud the description below the Movie player.
• Play the Movie, pausing to check for understanding.
• Have students read one of the following Related Reading articles: “Did You Know” or “Gadgets”. Partner them with someone who read a different article to share what they learned with each other.

Step 3: APPLY
Students synthesize their ideas and express them through one or more of the following creative projects. They can work individually or collaborate.

• Make-a-Movie: Create a mini-tutorial explaining how using a binary system helps computers solve problems quicker than a base-10 system.
• Make-a-Map: Compare and contrast the base-10 number system with the binary system.
• Creative Coding: Code a learning game in which players sort words and numbers into the 0-1 binary system.

Step 4: REFLECT & ASSESS

Reflect: After sharing creative projects with each other, students reflect on what they’ve learned about the binary system. Prompt them by asking questions such as:

• In addition to computers, where else do we see the binary system used in real life?
• What numbers does a base-10 system use? What numbers does a binary system use?
• How can the symbols of 0 and 1 represent bigger numbers like 25 or 625?

Assess: Wrap up the lesson with the Binary Quiz

Step 5: Extend Learning

Continue to build understanding around engineering and technology with BrainPOP’s Computer Science topics, games, and teacher resources.

### Lesson Plan Common Core State Standards Alignments

Filed as:  3-5, 6-8, Binary, BrainPOP, CCSS.ELA-Literacy.RI.3.3, CCSS.ELA-Literacy.RI.3.4, CCSS.ELA-Literacy.RI.3.7, CCSS.ELA-Literacy.RI.4.3, CCSS.ELA-Literacy.RI.4.4, CCSS.ELA-Literacy.RI.4.7