Teachers' notes and lesson plans - University of Southampton

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OHP Slide 1 for lesson 2CiphertextVEP HYXHLVHTP MO AWFJYFLT H RFNEPS HJNEHAPVFL VEFU ZHC FU VEHV FV FU PHUC VM KPKMSFUPVEP IPCZMSY MS IPCNESHUP, HLY EPLRP VEPRFNEPS HJNEHAPV. VEFU FU FKNMSVHLV, APRHWUPFO VEP UPLYPS EHU VM IPPN VEP RFNEPSHJNEHAPV ML H NFPRP MO NHNPS, VEP PLPKC RHLRHNVWSP VEP NHNPS, YFURMXPS VEP IPC, HLYSPHY HLC RMKKWLFRHVFMLU VEHV EHXP APPLPLRSCNVPY ZFVE FV. EMZPXPS FO VEP IPC RHLAP RMKKFVVPY VM KPKMSC FV FU JPUU JFIPJC VMOHJJ FLVM PLPKC EHLYU.24
University of Southampton National Cipher Challenge Teachers’ packOHP Slide 2 for lesson 2Occurrences tablea b c d e f g h i j k l mn o p q r s t u v w x y zExpected Frequency tablea b c d ef g h i j k l m8.2 1.5 2.8 4.3 12.7 2.2 2.0 6.1 7.0 0.2 0.8 4.0 2.4n o p q rs t u v w x y z6.7 7.5 1.9 0.1 6.0 6.3 9.1 2.8 1.0 2.4 0.2 2.0 0.1This table was taken from “The Code Book” by Simon Singh, and gives expectedfrequencies as a percentage. To accurately compare it to the actual frequencies aboveyou should compute the actual frequencies as percentages.Actual Frequencies as percentagesa b c d e f g h i j k l mn o p q r s t u v w x y zLesson plan 2
Page 2 and 3: Welcome to the seventh National Cip
Page 4 and 5: o Team name: This will be used on t
Page 7 and 8: On substitution ciphersGraham A. Ni
Page 9 and 10: ZFth Ft. hMZeXeS FO the IeC RHL AeR
Page 11: To attack cipher text that has been
Page 15: University of Southampton National
Page 18 and 19: Cryptography Lesson Plan 1Class: Cr
Page 20 and 21: Handout for lesson 1.GROUP BCode: C
Page 22 and 23: OHP Slide for lesson 1CiphertextWKH
Page 26 and 27: Handout for lesson 2STAGE 1 - P is
Page 28 and 29: Cryptography Lesson Plan 3Class: Af
Page 30 and 31: OHP Slide 2 for lesson 3CiphertextL
Page 32: OHP Slide 4 for lesson 3Decrypthour

Teachers' notes and lesson plans - University of Southampton

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