Codes: How to Make Them and Break Them (Murderous Maths)

4,3 valoración promedio
( 67 valoraciones por GoodReads )
 
9780439943284: Codes: How to Make Them and Break Them (Murderous Maths)
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Will show readers how to encode/decode their own messages in as many ways as possible. Examples of differently coded messages will also fit in well with the diverse range of the usual MM characters. The contents would include: Disguised codes (e.g. see the last para of synopsis); Scrambled codes (where the order of letters is mixed up); Substitution codes (where letters are replaced by other letters or symbols or just 14 21 13 2 5 18 19 ); Some history of how codes have been used in the past, from ancient Roman times to cracking the WW2 German Enigma machine; and, other message systems such as morse code, flags and also activity ideas such as making cut-out stencils that work with code grids. Although the other MM books deliberately avoid exercises or setting questions, this title lends itself to setting messages that need decoding by the reader, possibly leading up to a mega message to decode at the end. Can you see this very last paragraph is coded? (Read all the fourth words). The book demonstrates other codes you've probably never really been aware of. Stop waiting therefore and go for it.

"Sobre este título" puede pertenecer a otra edición de este libro.

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Poskitt, Kjartan
ISBN 10: 0439943280 ISBN 13: 9780439943284
Nuevos Cantidad: 4
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BWB
(Valley Stream, NY, Estados Unidos de America)
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Descripción Estado de conservación: New. Depending on your location, this item may ship from the US or UK. Nº de ref. de la librería 97804399432840000000

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2.

Poskitt, Kjartan
Editorial: Scholastic (2007)
ISBN 10: 0439943280 ISBN 13: 9780439943284
Nuevos Paperback Cantidad: 3
Librería
Murray Media
(North Miami Beach, FL, Estados Unidos de America)
Valoración
[?]

Descripción Scholastic, 2007. Paperback. Estado de conservación: New. Nº de ref. de la librería P110439943280

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Gastos de envío: EUR 2,77
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