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 STAR is written as HGZI, how is LAMP written in the same code? (a) NYMJ (b) PAOL (c) MBNQ (d) OZNK
- 2.If DRUM is written as GUXP, how is PARK written in the same code? (a) RCTM (b) MXOH (c) SDUN (d) TEVO
- 3.If PARK is written as LSBQ, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) UPZT (d) SYOT
- 4.If FISH is written as URHS, how is WIND written in the same code? (a) DRMW (b) XJOE (c) CQLV (d) ESNX
- 5.If COLD is written as DPME, how is GOLD written in the same code? (a) IQNF (b) EMPH (c) FNKC (d) HPME
- 6.If DOG is written as GOD, how is BOOK written in the same code? (a) JNNA (b) CPPL (c) KOOB (d) LPPC
- 7.If JUMP is written as QNVK, how is PEN written in the same code? (a) NEP (b) OFQ (c) QFO (d) MDO
- 8.If BOOK is written as YLLP, how is BALL written in the same code? (a) YZOO (b) ZAPP (c) XYNN (d) CBMM
- 9.If PARK is written as JQZO, how is WIND written in the same code? (a) EOJX (b) VHMC (c) DNIW (d) CMHV
- 10.If KITE is written as PRGV, how is SUN written in the same code? (a) IGN (b) TVO (c) HFM (d) GEL
- 11.If NEST is written as MDRS, how is BOAT written in the same code? (a) BOAT (b) ZMYR (c) ANZS (d) CPBU
- 12.If DOG is written as GRJ, how is SUN written in the same code? (a) PRK (b) WYR (c) UWP (d) VXQ
- 13.If TOYS is written as SYOT, how is FROG written in the same code? (a) GSPH (b) GORF (c) HPSG (d) FNQE
- 14.If BOAT is written as CPBU, how is PEN written in the same code? (a) RGP (b) ODM (c) OFQ (d) QFO
- 15.If HAND is written as DNAH, how is BOAT written in the same code? (a) SZNA (b) TAOB (c) UBPC (d) CPBU
- 16.If CAT is written as SZB, how is DOG written in the same code? (a) FNC (b) HPE (c) CNF (d) GOD
- 17.If SUN is written as QSL, how is TREE written in the same code? (a) SQDD (b) RPCC (c) QOBB (d) VTGG
- 18.If JUMP is written as KVNQ, how is GOLD written in the same code? (a) EMPH (b) HPME (c) IQNF (d) FNKC
- 19.If FROG is written as FNQE, how is COLD written in the same code? (a) BNKC (b) DLOC (c) EMPD (d) CKNB
- 20.If GOLD is written as EMPH, how is TREE written in the same code? (a) EERT (b) USFF (c) DDQS (d) FFSU
- 21.If BELL is written as YVOO, how is SUN written in the same code? (a) IGN (b) GEL (c) HFM (d) TVO
- 22.If PEN is written as RGP, how is SHIP written in the same code? (a) TIJQ (b) QFGN (c) UJKR (d) VKLS
- 23.If BOOK is written as MQQD, how is BOAT written in the same code? (a) DQCV (b) TAOB (c) VCQD (d) RYMZ
- 24.If DOG is written as BME, how is FISH written in the same code? (a) HKUJ (b) CFPE (c) EHRG (d) DGQF
- 25.If CAKE is written as FDNH, how is PEN written in the same code? (a) SHQ (b) MBK (c) TIR (d) RGP
- 26.If FROG is written as HTQI, how is HAND written in the same code? (a) JCPF (b) KDQG (c) IBOE (d) FYLB
- 27.If RAIN is written as UDLQ, how is CAKE written in the same code? (a) FDNH (b) ZXHB (c) ECMG (d) GEOI
- 28.If MILK is written as NJML, how is BOAT written in the same code? (a) DQCV (b) UBPC (c) CPBU (d) ANZS
- 29.If HAND is written as EOBI, how is NEST written in the same code? (a) TSEN (b) SRDM (c) UTFO (d) OFTU
- 30.If COLD is written as DLOC, how is CAT written in the same code? (a) TAC (b) SZB (c) DBU (d) UBD
- 31.If BOAT is written as TAOB, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) QBSL (d) JQZO
- 32.If SHIP is written as QFGN, how is JUMP written in the same code? (a) HSKN (b) GRJM (c) ITLO (d) LWOR
- 33.If DRUM is written as WIFN, how is GOLD written in the same code? (a) SKNV (b) TLOW (c) HPME (d) UMPX
- 34.If DRUM is written as GUXP, how is PEN written in the same code? (a) SHQ (b) TIR (c) RGP (d) MBK
- 35.If STAR is written as RATS, how is BALL written in the same code? (a) KKZA (b) LLAB (c) MMBC (d) CBMM
- 36.If RAIN is written as TCKP, how is WIND written in the same code? (a) UGLB (b) XJOE (c) ZLQG (d) YKPF
- 37.If STAR is written as SBUT, how is SHIP written in the same code? (a) TIJQ (b) PIHS (c) OHGR (d) QJIT
- 38.If LION is written as PQKN, how is FISH written in the same code? (a) HKUJ (b) HSIF (c) FQGD (d) JUKH
- 39.If JUMP is written as PMUJ, how is LION written in the same code? (a) OPJM (b) MNHK (c) MJPO (d) NOIL
- 40.If BALL is written as EDOO, how is MOON written in the same code? (a) JLLK (b) QSSR (c) PRRQ (d) OQQP
Answer key
- OZNK
- SDUN
- TZPU
- DRMW
- HPME
- KOOB
- OFQ
- YZOO
- CMHV
- HFM
- ANZS
- VXQ
- GORF
- QFO
- TAOB
- FNC
- RPCC
- HPME
- CKNB
- FFSU
- HFM
- UJKR
- VCQD
- DGQF
- SHQ
- JCPF
- FDNH
- CPBU
- UTFO
- TAC
- KRAP
- HSKN
- TLOW
- SHQ
- LLAB
- YKPF
- QJIT
- JUKH
- NOIL
- PRRQ
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