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 RSZQ, how is PARK written in the same code? (a) QBSL (b) PARK (c) OZQJ (d) NYPI
- 2.If PARK is written as QBSL, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) UJKR (d) RGHO
- 3.If CAKE is written as EKAC, how is DRUM written in the same code? (a) ESVN (b) NVSE (c) LTQC (d) MURD
- 4.If DOG is written as BME, how is PARK written in the same code? (a) MXOH (b) RCTM (c) NYPI (d) OZQJ
- 5.If PEN is written as NEP, how is RAIN written in the same code? (a) MHZQ (b) SBJO (c) OJBS (d) NIAR
- 6.If FISH is written as URHS, how is TREE written in the same code? (a) HJWW (b) USFF (c) GIVV (d) FHUU
- 7.If GOLD is written as DLOG, how is FROG written in the same code? (a) GORF (b) GSPH (c) HPSG (d) FNQE
- 8.If SHIP is written as QJIT, how is TREE written in the same code? (a) EERT (b) FFSU (c) DDQS (d) USFF
- 9.If DOG is written as GOD, how is TOYS written in the same code? (a) SYOT (b) TZPU (c) UPZT (d) RXNS
- 10.If DOG is written as HPE, how is DESK written in the same code? (a) EFTL (b) JRDC (c) LTFE (d) KSED
- 11.If HAND is written as SZMW, how is CAKE written in the same code? (a) YAQW (b) WYOU (c) XZPV (d) DBLF
- 12.If NEST is written as VUGP, how is DOG written in the same code? (a) GOD (b) EMB (c) FQI (d) IQF
- 13.If BOAT is written as UBPC, how is DESK written in the same code? (a) KSED (b) LTFE (c) EFTL (d) JRDC
- 14.If CAKE is written as EKAC, how is COLD written in the same code? (a) DLOC (b) EMPD (c) CKNB (d) DPME
- 15.If CAT is written as TAC, how is LION written in the same code? (a) OPJM (b) MNHK (c) MJPO (d) NOIL
- 16.If BOAT is written as UBPC, how is BALL written in the same code? (a) KKZA (b) MMBC (c) CBMM (d) LLAB
- 17.If BELL is written as YVOO, how is KITE written in the same code? (a) QSHW (b) LJUF (c) PRGV (d) OQFU
- 18.If PEN is written as KVM, how is DRUM written in the same code? (a) ESVN (b) WIFN (c) VHEM (d) XJGO
- 19.If GOLD is written as CKNF, how is CAT written in the same code? (a) BZS (b) SZB (c) UBD (d) TAC
- 20.If KITE is written as ETIK, how is BOOK written in the same code? (a) KOOB (b) CPPL (c) LPPC (d) JNNA
- 21.If MOON is written as NPPO, how is BALL written in the same code? (a) MMBC (b) CBMM (c) DCNN (d) AZKK
- 22.If BOOK is written as ZMMI, how is NEST written in the same code? (a) PGUV (b) KBPQ (c) LCQR (d) MDRS
- 23.If TOYS is written as UAQV, how is FISH written in the same code? (a) HSIF (b) JUKH (c) HKUJ (d) FQGD
- 24.If LAMP is written as KZLO, how is RAIN written in the same code? (a) RAIN (b) SBJO (c) PYGL (d) QZHM
- 25.If SHIP is written as HSRK, how is CAT written in the same code? (a) WYF (b) YAH (c) DBU (d) XZG
- 26.If NEST is written as TSEN, how is SUN written in the same code? (a) NUS (b) OVT (c) MTR (d) TVO
- 27.If TOYS is written as WRBV, how is JUMP written in the same code? (a) LWOR (b) NYQT (c) MXPS (d) GRJM
- 28.If SHIP is written as TIJQ, how is KITE written in the same code? (a) JHSD (b) FUJL (c) LJUF (d) MKVG
- 29.If COLD is written as EMPD, how is DRUM written in the same code? (a) LTQC (b) MURD (c) NVSE (d) ESVN
- 30.If BOAT is written as TAOB, how is COLD written in the same code? (a) CKNB (b) EMPD (c) DPME (d) DLOC
- 31.If BELL is written as KKDA, how is TREE written in the same code? (a) EERT (b) DDQS (c) FFSU (d) SQDD
- 32.If DOG is written as IQF, how is KITE written in the same code? (a) CRGI (b) MKVG (c) GVKM (d) ETIK
- 33.If DOG is written as WLT, how is SUN written in the same code? (a) IGN (b) GEL (c) HFM (d) TVO
- 34.If GOLD is written as CKNF, how is MOON written in the same code? (a) LNNM (b) OPPN (c) NOOM (d) MNNL
- 35.If HAND is written as CMZG, how is SUN written in the same code? (a) OVT (b) NUS (c) MTR (d) RTM
- 36.If BOAT is written as TAOB, how is TOYS written in the same code? (a) RXNS (b) SYOT (c) UPZT (d) TZPU
- 37.If GOLD is written as DLOG, how is DOG written in the same code? (a) HPE (b) EPH (c) FNC (d) GOD
- 38.If FISH is written as ITJG, how is RAIN written in the same code? (a) SBJO (b) NIAR (c) OJBS (d) MHZQ
- 39.If BOOK is written as YLLP, how is TOYS written in the same code? (a) UPZT (b) HMCI (c) FKAG (d) GLBH
- 40.If TREE is written as VTGG, how is HAND written in the same code? (a) FYLB (b) JCPF (c) IBOE (d) KDQG
Answer key
- OZQJ
- TIJQ
- MURD
- NYPI
- NIAR
- GIVV
- GORF
- FFSU
- SYOT
- LTFE
- XZPV
- IQF
- LTFE
- DLOC
- NOIL
- MMBC
- PRGV
- WIFN
- SZB
- KOOB
- CBMM
- LCQR
- JUKH
- QZHM
- XZG
- NUS
- MXPS
- LJUF
- NVSE
- DLOC
- DDQS
- GVKM
- HFM
- MNNL
- MTR
- SYOT
- GOD
- OJBS
- GLBH
- JCPF
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