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 PARK is written as KZIP, how is GOLD written in the same code? (a) TLOW (b) SKNV (c) HPME (d) UMPX
- 2.If DESK is written as FGUM, how is MOON written in the same code? (a) KMML (b) NPPO (c) PRRQ (d) OQQP
- 3.If FISH is written as URHS, how is DRUM written in the same code? (a) ESVN (b) VHEM (c) XJGO (d) WIFN
- 4.If PEN is written as OFQ, how is RAIN written in the same code? (a) SBJO (b) OJBS (c) NIAR (d) MHZQ
- 5.If CAKE is written as XZPV, how is STAR written in the same code? (a) IHAJ (b) TUBS (c) GFYH (d) HGZI
- 6.If PEN is written as KVM, how is GOLD written in the same code? (a) HPME (b) TLOW (c) UMPX (d) SKNV
- 7.If LAMP is written as OZNK, how is RAIN written in the same code? (a) JASN (b) SBJO (c) IZRM (d) HYQL
- 8.If SHIP is written as HSRK, how is BELL written in the same code? (a) ZWPP (b) CFMM (c) XUNN (d) YVOO
- 9.If BALL is written as DCNN, how is DESK written in the same code? (a) GHVN (b) FGUM (c) BCQI (d) EFTL
- 10.If PEN is written as ODM, how is GOLD written in the same code? (a) EMJB (b) HPME (c) FNKC (d) GOLD
- 11.If JUMP is written as LWOR, how is MILK written in the same code? (a) NJML (b) PLON (c) OKNM (d) KGJI
- 12.If PEN is written as NEP, how is COLD written in the same code? (a) DPME (b) EMPD (c) DLOC (d) CKNB
- 13.If TREE is written as SQDD, how is BOAT written in the same code? (a) ANZS (b) ZMYR (c) BOAT (d) CPBU
- 14.If WIND is written as VHMC, how is TOYS written in the same code? (a) RMWQ (b) UPZT (c) TOYS (d) SNXR
- 15.If FROG is written as IQTH, how is SHIP written in the same code? (a) PIHS (b) RKJU (c) NGFQ (d) UJKR
- 16.If TREE is written as FFSU, how is FISH written in the same code? (a) GJTI (b) GRHE (c) HSIF (d) ITJG
- 17.If WIND is written as DNIW, how is BELL written in the same code? (a) KKDA (b) LLEB (c) CFMM (d) MMFC
- 18.If NEST is written as LCQR, how is STAR written in the same code? (a) PQXO (b) RSZQ (c) UVCT (d) QRYP
- 19.If TOYS is written as TZPU, how is FISH written in the same code? (a) GRHE (b) HSIF (c) GJTI (d) ITJG
- 20.If NEST is written as TSEN, how is DESK written in the same code? (a) JRDC (b) KSED (c) LTFE (d) EFTL
- 21.If KITE is written as LJUF, how is BOAT written in the same code? (a) UBPC (b) DQCV (c) ANZS (d) CPBU
- 22.If SUN is written as NUS, how is DOG written in the same code? (a) EPH (b) HPE (c) GOD (d) FNC
- 23.If PARK is written as OZQJ, how is MILK written in the same code? (a) KGJI (b) LHKJ (c) MILK (d) NJML
- 24.If BOAT is written as TAOB, how is PEN written in the same code? (a) MDO (b) OFQ (c) QFO (d) NEP
- 25.If TOYS is written as GLBH, how is FISH written in the same code? (a) GJTI (b) VSIT (c) URHS (d) TQGR
- 26.If TREE is written as EERT, how is PARK written in the same code? (a) QBSL (b) JQZO (c) LSBQ (d) KRAP
- 27.If RAIN is written as QZHM, how is BOAT written in the same code? (a) ZMYR (b) ANZS (c) BOAT (d) CPBU
- 28.If DESK is written as FGUM, how is SUN written in the same code? (a) VXQ (b) QSL (c) TVO (d) UWP
- 29.If JUMP is written as PMUJ, how is FISH written in the same code? (a) GJTI (b) HSIF (c) GRHE (d) ITJG
- 30.If FISH is written as HSIF, how is DESK written in the same code? (a) EFTL (b) JRDC (c) LTFE (d) KSED
- 31.If DOG is written as EPH, how is BOOK written in the same code? (a) DQQM (b) LPPC (c) CPPL (d) ANNJ
- 32.If DOG is written as EPH, how is BELL written in the same code? (a) DGNN (b) ADKK (c) CFMM (d) MMFC
- 33.If FISH is written as HKUJ, how is BALL written in the same code? (a) EDOO (b) ZYJJ (c) DCNN (d) CBMM
- 34.If CAT is written as DBU, how is LION written in the same code? (a) NKQP (b) KHNM (c) OPJM (d) MJPO
- 35.If DESK is written as KSED, how is FISH written in the same code? (a) GJTI (b) ITJG (c) GRHE (d) HSIF
- 36.If MOON is written as NOOM, how is PARK written in the same code? (a) QBSL (b) KRAP (c) JQZO (d) LSBQ
- 37.If BOOK is written as ZMMI, how is GOLD written in the same code? (a) DLIA (b) FNKC (c) IQNF (d) EMJB
- 38.If MILK is written as LMJN, how is LION written in the same code? (a) NOIL (b) OPJM (c) MJPO (d) MNHK
- 39.If SUN is written as PWU, how is CAT written in the same code? (a) VCE (b) RYA (c) ECV (d) TAC
- 40.If FROG is written as GSPH, how is CAKE written in the same code? (a) ECMG (b) BZJD (c) FLBD (d) DBLF
Answer key
- TLOW
- OQQP
- WIFN
- OJBS
- HGZI
- TLOW
- IZRM
- YVOO
- FGUM
- FNKC
- OKNM
- DLOC
- ANZS
- SNXR
- RKJU
- ITJG
- LLEB
- QRYP
- ITJG
- KSED
- CPBU
- GOD
- LHKJ
- NEP
- URHS
- KRAP
- ANZS
- UWP
- HSIF
- KSED
- CPPL
- CFMM
- DCNN
- MJPO
- HSIF
- KRAP
- EMJB
- OPJM
- VCE
- DBLF
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