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Direct linkMcNeil, Nicole M.; Weinberg, Aaron; Hattikudur, Shanta; Stephens, Ana C.; Asquith, Pamela; Knuth, Eric J.; Alibali, Martha W. – Journal of Educational Psychology, 2010
This study examined how literal symbols affect students' understanding of algebraic expressions. Middle school students (N = 322) were randomly assigned to 1 of 3 conditions in which they were asked to interpret an expression (e.g., 4c + 3b) in a story problem. Each literal symbol represented the price of an item. In the c-and-b condition, the…
Descriptors: Middle School Students, Textbooks, Mnemonics, Algebra
Peer reviewedDonohoe, L. Joyce – AMATYC Review, 1992
Presents a public-key cryptosystem application to introduce students to several topics in discrete mathematics. A computer algorithms using recursive methods is presented to solve a problem in which one person wants to send a coded message to a second person while keeping the message secret from a third person. (MDH)
Descriptors: Algorithms, Coding, Computer Assisted Instruction, Mathematical Applications
