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Activity

Texas Instruments: Numb3 Rs: "Uncertainty Principal" Checksum

Curated by ACT

This lesson plan introduced students to algorithms in the context of bank routing numbers (printed on checks). Students learn that the final digit in the routing number serves a specific purpose, and find such digits so that the routing number is then "correct." By extension, the lesson also covers ISBN numbers found on published books.

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Additional Tags
checksum digit, credit card numbers, problem-solving skills, routing number, routing system, isbn number, ti, texas instruments: numb3rs: "uncertainty principal" - checksum, algorithm, basic problem-solving skills, check
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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional