I can find the error in an array of cards? After watching a demonstration class members search for the error is the provided cards. The resource provides a real-life example of using ISBN numbers in error detection and using check sums.

Concepts

computer science, computers, binary code, technology resources

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Instructional Ideas

• Discuss the real-life example right after the demonstration
• Using their own sets of cards, have pupils try to determine the answers for the extension problems

Classroom Considerations

• If teaching the class to do the trick, you will need several sets of 36 cards

Pros

• Multiple videos show examples of the trick
• The print material contains an explanation on why it is important to be able to detect errors and correct them

Cons

• None