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Challenge mathematicians to crack the binary code with an interactive that focuses on numbers nine to 16. A table reveals exponential equations to aid in answering multiple-choice questions. A discussion question gauges comprehension.
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CCSS:
Designed
Concepts
Additional Tags
Instructional Ideas
- Send the link home for practice outside of school, direct pupils to write the answer to question six on paper or a blog post
- Allow learners to work independently or in pairs, encourage them to use their notes and scratch paper
- Assign one problem per small group, after each group has completed their task, direct them to share their work with the class
Classroom Considerations
- A free account to CK-12 is required to access the interactive
- Participants should be familiar with binary numbers
- The last prompt encourages learners to visit the next interactive about binary numbers
Pros
- The table uses colors black and white to distinguish specific numbers
- Answers are graded instantly—correct responses offer praise, incorrect responses reveal the right answer
- Hints and information are available if needed
Cons
- None