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 BELL is written as ADKK, how is LION written in the same code? (a) KHNM (b) MJPO (c) JGML (d) LION
- 2.If CAT is written as VCE, how is BELL written in the same code? (a) JJCZ (b) DGNN (c) LLEB (d) NNGD
- 3.If KITE is written as MKVG, how is PEN written in the same code? (a) SHQ (b) RGP (c) NCL (d) QFO
- 4.If SHIP is written as PIHS, how is GOLD written in the same code? (a) HPME (b) DLOG (c) CKNF (d) EMPH
- 5.If KITE is written as ETIK, how is MILK written in the same code? (a) JKHL (b) LMJN (c) NJML (d) KLIM
- 6.If MILK is written as KLIM, how is WIND written in the same code? (a) XJOE (b) DNIW (c) CMHV (d) EOJX
- 7.If MOON is written as NLLM, how is RAIN written in the same code? (a) SBJO (b) IZRM (c) HYQL (d) JASN
- 8.If GOLD is written as TLOW, how is DRUM written in the same code? (a) XJGO (b) VHEM (c) WIFN (d) ESVN
- 9.If PARK is written as MTCR, how is NEST written in the same code? (a) PGUV (b) TSEN (c) VUGP (d) RQCL
- 10.If BOOK is written as MQQD, how is SHIP written in the same code? (a) RKJU (b) PIHS (c) NGFQ (d) UJKR
- 11.If LION is written as PQKN, how is FISH written in the same code? (a) HKUJ (b) JUKH (c) FQGD (d) HSIF
- 12.If FROG is written as GORF, how is MOON written in the same code? (a) NPPO (b) OPPN (c) MNNL (d) NOOM
- 13.If PEN is written as NEP, how is COLD written in the same code? (a) CKNB (b) EMPD (c) DLOC (d) DPME
- 14.If DRUM is written as NVSE, how is SUN written in the same code? (a) NUS (b) TVO (c) MTR (d) OVT
- 15.If COLD is written as DLOC, how is SUN written in the same code? (a) OVT (b) MTR (c) NUS (d) TVO
- 16.If TREE is written as EERT, how is SUN written in the same code? (a) TVO (b) MTR (c) NUS (d) OVT
- 17.If LION is written as JGML, how is WIND written in the same code? (a) TFKA (b) VHMC (c) YKPF (d) UGLB
- 18.If LAMP is written as QNBM, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) JQZO (d) QBSL
- 19.If GOLD is written as FNQI, how is DOG written in the same code? (a) FQI (b) IQF (c) EMB (d) GOD
- 20.If COLD is written as DLOC, how is LION written in the same code? (a) MNHK (b) OPJM (c) NOIL (d) MJPO
- 21.If FROG is written as IURJ, how is PEN written in the same code? (a) SHQ (b) TIR (c) RGP (d) MBK
- 22.If BELL is written as LLEB, how is DOG written in the same code? (a) HPE (b) FNC (c) GOD (d) EPH
- 23.If HAND is written as CMZG, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) SNXR (d) SYOT
- 24.If JUMP is written as LWOR, how is FROG written in the same code? (a) DPME (b) HTQI (c) GSPH (d) IURJ
- 25.If FISH is written as JUKH, how is DRUM written in the same code? (a) KSPB (b) OWTF (c) MURD (d) FTWO
- 26.If HAND is written as JCPF, how is BOAT written in the same code? (a) ERDW (b) CPBU (c) DQCV (d) ZMYR
- 27.If BELL is written as LLEB, how is BOOK written in the same code? (a) KOOB (b) LPPC (c) JNNA (d) CPPL
- 28.If RAIN is written as MHZQ, how is DESK written in the same code? (a) JRDC (b) KSED (c) CDRJ (d) LTFE
- 29.If PARK is written as KZIP, how is TREE written in the same code? (a) FHUU (b) USFF (c) GIVV (d) HJWW
- 30.If RAIN is written as UDLQ, how is MOON written in the same code? (a) QSSR (b) OQQP (c) JLLK (d) PRRQ
- 31.If PARK is written as LSBQ, how is NEST written in the same code? (a) UTFO (b) TSEN (c) OFTU (d) SRDM
- 32.If NEST is written as TSEN, how is MILK written in the same code? (a) JKHL (b) KLIM (c) LMJN (d) NJML
- 33.If SUN is written as UWP, how is CAKE written in the same code? (a) FDNH (b) ECMG (c) DBLF (d) AYIC
- 34.If LION is written as NKQP, how is BELL written in the same code? (a) DGNN (b) CFMM (c) EHOO (d) ZCJJ
- 35.If MILK is written as NROP, how is LION written in the same code? (a) NQKL (b) PSMN (c) MJPO (d) ORLM
- 36.If FROG is written as GORF, how is STAR written in the same code? (a) SBUT (b) QZSR (c) RATS (d) TUBS
- 37.If COLD is written as DLOC, how is DOG written in the same code? (a) FNC (b) GOD (c) HPE (d) EPH
- 38.If MILK is written as NROP, how is PARK written in the same code? (a) LAJQ (b) QBSL (c) JYHO (d) KZIP
- 39.If SHIP is written as HSRK, how is MILK written in the same code? (a) NROP (b) NJML (c) OSPQ (d) MQNO
- 40.If FROG is written as UILT, how is BALL written in the same code? (a) ZAPP (b) YZOO (c) CBMM (d) XYNN
Answer key
- KHNM
- NNGD
- RGP
- DLOG
- KLIM
- DNIW
- IZRM
- WIFN
- VUGP
- RKJU
- JUKH
- NOOM
- DLOC
- OVT
- NUS
- NUS
- UGLB
- LSBQ
- IQF
- NOIL
- SHQ
- GOD
- RXNS
- HTQI
- OWTF
- DQCV
- KOOB
- JRDC
- GIVV
- PRRQ
- UTFO
- KLIM
- ECMG
- DGNN
- ORLM
- RATS
- GOD
- KZIP
- NROP
- YZOO
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