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 MILK is written as NJML, how is DOG written in the same code? (a) CNF (b) HPE (c) EPH (d) FQI
- 2.If NEST is written as MVHG, how is GOLD written in the same code? (a) UMPX (b) TLOW (c) HPME (d) SKNV
- 3.If DOG is written as GOD, how is SHIP written in the same code? (a) PIHS (b) OHGR (c) TIJQ (d) QJIT
- 4.If LION is written as JGML, how is HAND written in the same code? (a) JCPF (b) GZMC (c) FYLB (d) EXKA
- 5.If BALL is written as KKZA, how is BOOK written in the same code? (a) KOOB (b) ANNJ (c) JNNA (d) LPPC
- 6.If KITE is written as ETIK, how is MOON written in the same code? (a) OPPN (b) MNNL (c) NPPO (d) NOOM
- 7.If FROG is written as GORF, how is DESK written in the same code? (a) KSED (b) EFTL (c) JRDC (d) LTFE
- 8.If DOG is written as GRJ, how is DRUM written in the same code? (a) HVYQ (b) GUXP (c) FTWO (d) AORJ
- 9.If KITE is written as MKVG, how is LION written in the same code? (a) JGML (b) NKQP (c) MJPO (d) OLRQ
- 10.If FISH is written as URHS, how is PARK written in the same code? (a) QBSL (b) JYHO (c) LAJQ (d) KZIP
- 11.If FISH is written as HSIF, how is TREE written in the same code? (a) DDQS (b) USFF (c) FFSU (d) EERT
- 12.If TREE is written as GGTV, how is TOYS written in the same code? (a) SYOT (b) VQAU (c) UAQV (d) QWMR
- 13.If SUN is written as PWU, how is RAIN written in the same code? (a) TCKP (b) NIAR (c) LGYP (d) PKCT
- 14.If NEST is written as MVHG, how is BELL written in the same code? (a) CFMM (b) ZWPP (c) YVOO (d) XUNN
- 15.If HAND is written as FYLB, how is DOG written in the same code? (a) CNF (b) ALD (c) FQI (d) BME
- 16.If CAKE is written as FLBD, how is SUN written in the same code? (a) OVT (b) NUS (c) MTR (d) TVO
- 17.If NEST is written as SRDM, how is SUN written in the same code? (a) MTR (b) RTM (c) OVT (d) NUS
- 18.If RAIN is written as OJBS, how is WIND written in the same code? (a) EOJX (b) CMHV (c) XJOE (d) DNIW
- 19.If CAT is written as TAC, how is KITE written in the same code? (a) DSHJ (b) LJUF (c) ETIK (d) FUJL
- 20.If MILK is written as LMJN, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) PMUJ (d) QNVK
- 21.If STAR is written as QZSR, how is FROG written in the same code? (a) EQNF (b) GORF (c) FNQE (d) HPSG
- 22.If STAR is written as RATS, how is NEST written in the same code? (a) UTFO (b) TSEN (c) SRDM (d) OFTU
- 23.If CAT is written as ECV, how is LION written in the same code? (a) MJPO (b) JGML (c) NKQP (d) OLRQ
- 24.If LION is written as MNHK, how is DRUM written in the same code? (a) LTQC (b) CQTL (c) NVSE (d) MURD
- 25.If DRUM is written as NVSE, how is GOLD written in the same code? (a) HPME (b) CKNF (c) DLOG (d) EMPH
- 26.If SHIP is written as TIJQ, how is LAMP written in the same code? (a) MBNQ (b) NCOR (c) KZLO (d) QNBM
- 27.If BELL is written as YVOO, how is FROG written in the same code? (a) GSPH (b) THKS (c) UILT (d) VJMU
- 28.If MILK is written as NROP, how is NEST written in the same code? (a) NWIH (b) OFTU (c) MVHG (d) LUGF
- 29.If COLD is written as EMPD, how is GOLD written in the same code? (a) EMPH (b) HPME (c) DLOG (d) CKNF
- 30.If SUN is written as QSL, how is FISH written in the same code? (a) HKUJ (b) EHRG (c) CFPE (d) DGQF
- 31.If NEST is written as TSEN, how is SUN written in the same code? (a) MTR (b) OVT (c) TVO (d) NUS
- 32.If WIND is written as VHMC, how is JUMP written in the same code? (a) KVNQ (b) JUMP (c) HSKN (d) ITLO
- 33.If SHIP is written as PIHS, how is JUMP written in the same code? (a) QNVK (b) KVNQ (c) PMUJ (d) OLTI
- 34.If PARK is written as RCTM, how is MILK written in the same code? (a) KGJI (b) NJML (c) PLON (d) OKNM
- 35.If KITE is written as ETIK, how is PARK written in the same code? (a) QBSL (b) JQZO (c) LSBQ (d) KRAP
- 36.If KITE is written as ETIK, how is CAT written in the same code? (a) TAC (b) UBD (c) SZB (d) DBU
- 37.If BOOK is written as ERRN, how is CAKE written in the same code? (a) ZXHB (b) FDNH (c) GEOI (d) ECMG
- 38.If BELL is written as LLEB, how is TREE written in the same code? (a) EERT (b) DDQS (c) FFSU (d) USFF
- 39.If MILK is written as NJML, how is LAMP written in the same code? (a) KZLO (b) NCOR (c) QNBM (d) MBNQ
- 40.If LAMP is written as OZNK, how is COLD written in the same code? (a) YMPX (b) DPME (c) WKNV (d) XLOW
Answer key
- EPH
- TLOW
- PIHS
- FYLB
- JNNA
- NOOM
- KSED
- GUXP
- NKQP
- KZIP
- EERT
- UAQV
- PKCT
- YVOO
- BME
- OVT
- MTR
- EOJX
- ETIK
- QNVK
- FNQE
- TSEN
- NKQP
- LTQC
- EMPH
- MBNQ
- UILT
- MVHG
- EMPH
- DGQF
- NUS
- ITLO
- PMUJ
- OKNM
- KRAP
- TAC
- FDNH
- EERT
- MBNQ
- XLOW
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