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 CAKE is written as ECMG, how is LION written in the same code? (a) JGML (b) NKQP (c) MJPO (d) OLRQ
- 2.If JUMP is written as MXPS, how is DOG written in the same code? (a) HSK (b) FQI (c) ALD (d) GRJ
- 3.If HAND is written as IBOE, how is WIND written in the same code? (a) YKPF (b) EOJX (c) VHMC (d) XJOE
- 4.If BOOK is written as MQQD, how is SUN written in the same code? (a) LSQ (b) UWP (c) NUS (d) PWU
- 5.If DRUM is written as OWTF, how is GOLD written in the same code? (a) FNQI (b) BJME (c) IQNF (d) DLOG
- 6.If LAMP is written as MBNQ, how is DOG written in the same code? (a) HPE (b) FQI (c) EPH (d) CNF
- 7.If BOOK is written as YLLP, how is COLD written in the same code? (a) DPME (b) YMPX (c) XLOW (d) WKNV
- 8.If SUN is written as PWU, how is GOLD written in the same code? (a) DLOG (b) IQNF (c) BJME (d) FNQI
- 9.If BOOK is written as MQQD, how is FROG written in the same code? (a) IQTH (b) HTQI (c) EMPD (d) GORF
- 10.If DRUM is written as ESVN, how is PARK written in the same code? (a) OZQJ (b) QBSL (c) LSBQ (d) RCTM
- 11.If GOLD is written as DLOG, how is FROG written in the same code? (a) FNQE (b) HPSG (c) GSPH (d) GORF
- 12.If COLD is written as FNQE, how is DRUM written in the same code? (a) KSPB (b) FTWO (c) OWTF (d) MURD
- 13.If PARK is written as NYPI, how is WIND written in the same code? (a) TFKA (b) YKPF (c) UGLB (d) VHMC
- 14.If RAIN is written as IZRM, how is BELL written in the same code? (a) XUNN (b) ZWPP (c) CFMM (d) YVOO
- 15.If RAIN is written as IZRM, how is DOG written in the same code? (a) WLT (b) VKS (c) EPH (d) XMU
- 16.If GOLD is written as FNKC, how is NEST written in the same code? (a) LCQR (b) NEST (c) MDRS (d) OFTU
- 17.If BOOK is written as ANNJ, how is COLD written in the same code? (a) AMJB (b) BNKC (c) DPME (d) COLD
- 18.If COLD is written as XLOW, how is DRUM written in the same code? (a) WIFN (b) VHEM (c) XJGO (d) ESVN
- 19.If CAKE is written as XZPV, how is LAMP written in the same code? (a) OZNK (b) MBNQ (c) NYMJ (d) PAOL
- 20.If DOG is written as WLT, how is BELL written in the same code? (a) XUNN (b) YVOO (c) ZWPP (d) CFMM
- 21.If TREE is written as WUHH, how is MILK written in the same code? (a) OKNM (b) JFIH (c) PLON (d) QMPO
- 22.If MOON is written as NOOM, how is KITE written in the same code? (a) FUJL (b) LJUF (c) DSHJ (d) ETIK
- 23.If LAMP is written as OZNK, how is CAT written in the same code? (a) WYF (b) YAH (c) DBU (d) XZG
- 24.If DOG is written as WLT, how is KITE written in the same code? (a) OQFU (b) QSHW (c) LJUF (d) PRGV
- 25.If TOYS is written as GLBH, how is FISH written in the same code? (a) VSIT (b) TQGR (c) GJTI (d) URHS
- 26.If JUMP is written as MXPS, how is LAMP written in the same code? (a) ODPS (b) NCOR (c) IXJM (d) PEQT
- 27.If MILK is written as OKNM, how is MOON written in the same code? (a) OQQP (b) KMML (c) NPPO (d) PRRQ
- 28.If STAR is written as RATS, how is BELL written in the same code? (a) MMFC (b) KKDA (c) CFMM (d) LLEB
- 29.If CAT is written as TAC, how is DOG written in the same code? (a) HPE (b) GOD (c) FNC (d) EPH
- 30.If JUMP is written as PMUJ, how is NEST written in the same code? (a) OFTU (b) TSEN (c) SRDM (d) UTFO
- 31.If PEN is written as RGP, how is TREE written in the same code? (a) USFF (b) WUHH (c) VTGG (d) RPCC
- 32.If DESK is written as LTFE, how is SUN written in the same code? (a) TVO (b) OVT (c) MTR (d) NUS
- 33.If MILK is written as KLIM, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) PMUJ (d) QNVK
- 34.If CAKE is written as AYIC, how is STAR written in the same code? (a) UVCT (b) PQXO (c) RSZQ (d) QRYP
- 35.If GOLD is written as HPME, how is BELL written in the same code? (a) MMFC (b) DGNN (c) ADKK (d) CFMM
- 36.If LION is written as NOIL, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) DLOG (d) HPME
- 37.If MOON is written as NOOM, how is JUMP written in the same code? (a) OLTI (b) PMUJ (c) QNVK (d) KVNQ
- 38.If LION is written as KHNM, how is CAT written in the same code? (a) AYR (b) BZS (c) DBU (d) CAT
- 39.If PARK is written as NYPI, how is MOON written in the same code? (a) JLLK (b) KMML (c) OQQP (d) LNNM
- 40.If WIND is written as VHMC, how is BOAT written in the same code? (a) ANZS (b) BOAT (c) CPBU (d) ZMYR
Answer key
- NKQP
- GRJ
- XJOE
- PWU
- FNQI
- EPH
- XLOW
- FNQI
- IQTH
- QBSL
- GORF
- OWTF
- UGLB
- YVOO
- WLT
- MDRS
- BNKC
- WIFN
- OZNK
- YVOO
- PLON
- ETIK
- XZG
- PRGV
- URHS
- ODPS
- OQQP
- LLEB
- GOD
- TSEN
- VTGG
- OVT
- PMUJ
- QRYP
- CFMM
- DLOG
- PMUJ
- BZS
- KMML
- ANZS
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