Coding Decoding Worksheet
How to think it through (Letter by letter): Write the word above its code and compare each pair of letters. Find the rule: the same move (+1, −2 …), opposite letters (A ↔ Z, B ↔ Y), or the word reversed. Apply the same rule to the new word. After Z comes A again.
NameDateTime takenScore ___ / 40
- 1.If DOG is written as HPE, how is RAIN written in the same code? (a) MHZQ (b) NIAR (c) SBJO (d) OJBS
- 2.If TREE is written as FFSU, how is SHIP written in the same code? (a) TIJQ (b) PIHS (c) OHGR (d) QJIT
- 3.If SHIP is written as HSRK, how is JUMP written in the same code? (a) RGOL (b) QFNK (c) KVNQ (d) PEMJ
- 4.If FROG is written as GORF, how is MILK written in the same code? (a) NJML (b) KLIM (c) JKHL (d) LMJN
- 5.If RAIN is written as UDLQ, how is FISH written in the same code? (a) ILVK (b) CFPE (c) JMWL (d) HKUJ
- 6.If LAMP is written as NCOR, how is GOLD written in the same code? (a) JROG (b) EMJB (c) HPME (d) IQNF
- 7.If SHIP is written as RKJU, how is DOG written in the same code? (a) IQF (b) EMB (c) FQI (d) GOD
- 8.If FROG is written as UILT, how is SHIP written in the same code? (a) ITSL (b) TIJQ (c) GRQJ (d) HSRK
- 9.If DESK is written as JRDC, how is BELL written in the same code? (a) ADKK (b) MMFC (c) LLEB (d) KKDA
- 10.If DOG is written as BME, how is DESK written in the same code? (a) ABPH (b) BCQI (c) CDRJ (d) FGUM
- 11.If CAKE is written as XZPV, how is BELL written in the same code? (a) CFMM (b) ZWPP (c) XUNN (d) YVOO
- 12.If KITE is written as ETIK, how is CAKE written in the same code? (a) DBLF (b) DJZB (c) FLBD (d) EKAC
- 13.If BOOK is written as ANNJ, how is JUMP written in the same code? (a) JUMP (b) KVNQ (c) HSKN (d) ITLO
- 14.If BALL is written as LLAB, how is DRUM written in the same code? (a) LTQC (b) NVSE (c) MURD (d) ESVN
- 15.If TOYS is written as UAQV, how is DRUM written in the same code? (a) OWTF (b) KSPB (c) MURD (d) FTWO
- 16.If LION is written as OPJM, how is TREE written in the same code? (a) DDQS (b) FFSU (c) EERT (d) USFF
- 17.If PARK is written as KRAP, how is GOLD written in the same code? (a) EMPH (b) DLOG (c) CKNF (d) HPME
- 18.If PARK is written as OZQJ, how is PEN written in the same code? (a) QFO (b) PEN (c) NCL (d) ODM
- 19.If RAIN is written as IZRM, how is SUN written in the same code? (a) GEL (b) HFM (c) TVO (d) IGN
- 20.If LAMP is written as OZNK, how is MILK written in the same code? (a) NJML (b) OSPQ (c) NROP (d) MQNO
- 21.If DOG is written as GOD, how is TREE written in the same code? (a) USFF (b) EERT (c) FFSU (d) DDQS
- 22.If KITE is written as ETIK, how is PARK written in the same code? (a) JQZO (b) KRAP (c) QBSL (d) LSBQ
- 23.If DOG is written as WLT, how is PEN written in the same code? (a) JUL (b) LWN (c) KVM (d) QFO
- 24.If BALL is written as YZOO, how is FROG written in the same code? (a) THKS (b) UILT (c) VJMU (d) GSPH
- 25.If GOLD is written as DLOG, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) PIHS (d) TIJQ
- 26.If MOON is written as OPPN, how is WIND written in the same code? (a) DNIW (b) XJOE (c) CMHV (d) EOJX
- 27.If JUMP is written as KVNQ, how is CAT written in the same code? (a) BZS (b) ECV (c) DBU (d) UBD
- 28.If BOAT is written as TAOB, how is WIND written in the same code? (a) DNIW (b) EOJX (c) CMHV (d) XJOE
- 29.If FISH is written as JUKH, how is BOOK written in the same code? (a) DQQM (b) IMMZ (c) KOOB (d) MQQD
- 30.If DRUM is written as MURD, how is DOG written in the same code? (a) FNC (b) GOD (c) EPH (d) HPE
- 31.If DRUM is written as MURD, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) SYOT (d) UPZT
- 32.If FISH is written as URHS, how is FROG written in the same code? (a) VJMU (b) GSPH (c) THKS (d) UILT
- 33.If LION is written as OLRQ, how is SUN written in the same code? (a) WYR (b) VXQ (c) UWP (d) PRK
- 34.If JUMP is written as OLTI, how is PARK written in the same code? (a) KRAP (b) OZQJ (c) LSBQ (d) JQZO
- 35.If LAMP is written as QNBM, how is CAT written in the same code? (a) DBU (b) SZB (c) UBD (d) TAC
- 36.If LAMP is written as OZNK, how is FROG written in the same code? (a) GSPH (b) THKS (c) UILT (d) VJMU
- 37.If TREE is written as USFF, how is STAR written in the same code? (a) SBUT (b) UVCT (c) TUBS (d) RSZQ
- 38.If BALL is written as DCNN, how is DOG written in the same code? (a) EPH (b) GRJ (c) FQI (d) BME
- 39.If FROG is written as UILT, how is DRUM written in the same code? (a) ESVN (b) VHEM (c) XJGO (d) WIFN
- 40.If MILK is written as KGJI, how is SUN written in the same code? (a) PRK (b) RTM (c) QSL (d) UWP
Answer key
- OJBS
- QJIT
- QFNK
- KLIM
- ILVK
- IQNF
- IQF
- HSRK
- KKDA
- BCQI
- YVOO
- EKAC
- ITLO
- MURD
- OWTF
- FFSU
- DLOG
- ODM
- HFM
- NROP
- EERT
- KRAP
- KVM
- UILT
- PIHS
- EOJX
- DBU
- DNIW
- MQQD
- GOD
- SYOT
- UILT
- VXQ
- JQZO
- UBD
- UILT
- TUBS
- FQI
- WIFN
- QSL
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