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Aug 20 2010 9:23 PM
David Melton
This resource was matched by a member of the Brokers of Expertise Standards Matching Team.

Contributed By

Thinkfinity
Original Source:
National Council of Teachers of Mathematics

Conditions of Use:
None Specified

Description

In this Illuminations lesson, students are introduced to a common and practical use of modular arithmetic. First the barcode system is examined, specifically UPC and ISBN bar coding. Then, students discover the applications of modular arithmetic as applied to credit card numbers. There are also links to an online activity sheet and other related resources.

Learning Registry Activity

Bookmarks

Topics and Grades

Grade: 9 to 12

Topics: Technology, Mathematics, Number Sense

Standards

Matched

Matched Standards

M.7.MR.2.6 Express the solution clearly and logically by using the appropriate mathematical...

M.7.MR.3.1 Evaluate the reasonableness of the solution in the context of the original situa...

M.7.MR.3.2 Note the method of deriving the solution and demonstrate a conceptual understand...

M.7.MR.3.3 Develop generalizations of the results obtained and the strategies used and appl...

M.7.NS.1.2 Add, subtract, multiply, and divide rational numbers (integers, fractions, and t...

M.8-12.A.15.0 Students apply algebraic techniques to solve rate problems, work problems, and p...

M.8-12.AI.18.0 Students use fundamental counting principles to compute combinations and permuta...

M.8-12.AI.19.0 Students use combinations and permutations to compute probabilities.

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