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 KITE is written as ETIK, how is FISH written in the same code? (a) GJTI (b) HSIF (c) ITJG (d) GRHE
- 2.If RAIN is written as MHZQ, how is STAR written in the same code? (a) RSZQ (b) QZSR (c) RATS (d) SBUT
- 3.If FISH is written as ITJG, how is MOON written in the same code? (a) OPPN (b) MNNL (c) NPPO (d) NOOM
- 4.If SHIP is written as TIJQ, how is MOON written in the same code? (a) OQQP (b) LNNM (c) OPPN (d) NPPO
- 5.If KITE is written as IGRC, how is TOYS written in the same code? (a) QLVP (b) RMWQ (c) SNXR (d) VQAU
- 6.If BALL is written as YZOO, how is SUN written in the same code? (a) IGN (b) GEL (c) TVO (d) HFM
- 7.If KITE is written as ETIK, how is CAT written in the same code? (a) DBU (b) UBD (c) SZB (d) TAC
- 8.If KITE is written as NLWH, how is SHIP written in the same code? (a) UJKR (b) WLMT (c) VKLS (d) PEFM
- 9.If DESK is written as GHVN, how is JUMP written in the same code? (a) GRJM (b) NYQT (c) MXPS (d) LWOR
- 10.If BALL is written as LLAB, how is TREE written in the same code? (a) DDQS (b) FFSU (c) USFF (d) EERT
- 11.If DESK is written as KSED, how is MOON written in the same code? (a) MNNL (b) OPPN (c) NPPO (d) NOOM
- 12.If TOYS is written as VQAU, how is DESK written in the same code? (a) FGUM (b) EFTL (c) GHVN (d) BCQI
- 13.If BOOK is written as YLLP, how is LION written in the same code? (a) MJPO (b) NQKL (c) ORLM (d) PSMN
- 14.If STAR is written as RATS, how is SUN written in the same code? (a) MTR (b) OVT (c) TVO (d) NUS
- 15.If MILK is written as KLIM, how is BELL written in the same code? (a) MMFC (b) KKDA (c) CFMM (d) LLEB
- 16.If BALL is written as MMBC, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) KRAP (d) QBSL
- 17.If SUN is written as TVO, how is KITE written in the same code? (a) MKVG (b) FUJL (c) JHSD (d) LJUF
- 18.If BELL is written as LLEB, how is TOYS written in the same code? (a) SYOT (b) TZPU (c) UPZT (d) RXNS
- 19.If KITE is written as ETIK, how is BOOK written in the same code? (a) JNNA (b) LPPC (c) KOOB (d) CPPL
- 20.If SUN is written as OVT, how is COLD written in the same code? (a) DPME (b) EMPD (c) CKNB (d) DLOC
- 21.If STAR is written as HGZI, how is LAMP written in the same code? (a) NYMJ (b) OZNK (c) MBNQ (d) PAOL
- 22.If HAND is written as FPCJ, how is NEST written in the same code? (a) PGUV (b) VUGP (c) TSEN (d) RQCL
- 23.If NEST is written as PGUV, how is SHIP written in the same code? (a) UJKR (b) TIJQ (c) QFGN (d) VKLS
- 24.If PEN is written as MDO, how is MOON written in the same code? (a) OPPN (b) NOOM (c) LNNM (d) MNNL
- 25.If BOAT is written as VCQD, how is LAMP written in the same code? (a) NKYJ (b) PMAL (c) ROCN (d) NCOR
- 26.If STAR is written as RATS, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) FUJL (d) ETIK
- 27.If SUN is written as NUS, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) FUJL (d) LJUF
- 28.If SUN is written as PWU, how is JUMP written in the same code? (a) PMUJ (b) LWOR (c) ROWL (d) NKSH
- 29.If MILK is written as KGJI, how is NEST written in the same code? (a) PGUV (b) KBPQ (c) MDRS (d) LCQR
- 30.If LION is written as OLRQ, how is PARK written in the same code? (a) RCTM (b) MXOH (c) TEVO (d) SDUN
- 31.If WIND is written as ZLQG, how is FROG written in the same code? (a) HTQI (b) COLD (c) JVSK (d) IURJ
- 32.If FISH is written as URHS, how is MOON written in the same code? (a) NPPO (b) MKKL (c) NLLM (d) OMMN
- 33.If TOYS is written as RMWQ, how is DESK written in the same code? (a) ABPH (b) FGUM (c) CDRJ (d) BCQI
- 34.If MOON is written as NOOM, how is JUMP written in the same code? (a) PMUJ (b) KVNQ (c) OLTI (d) QNVK
- 35.If FROG is written as UILT, how is BELL written in the same code? (a) ZWPP (b) XUNN (c) YVOO (d) CFMM
- 36.If COLD is written as DLOC, how is JUMP written in the same code? (a) KVNQ (b) QNVK (c) PMUJ (d) OLTI
- 37.If WIND is written as DRMW, how is TOYS written in the same code? (a) FKAG (b) HMCI (c) GLBH (d) UPZT
- 38.If HAND is written as DNAH, how is GOLD written in the same code? (a) CKNF (b) HPME (c) EMPH (d) DLOG
- 39.If DRUM is written as FTWO, how is LAMP written in the same code? (a) JYKN (b) NCOR (c) ODPS (d) MBNQ
- 40.If STAR is written as RATS, how is GOLD written in the same code? (a) DLOG (b) HPME (c) EMPH (d) CKNF
Answer key
- HSIF
- QZSR
- OPPN
- NPPO
- RMWQ
- HFM
- TAC
- VKLS
- MXPS
- EERT
- NOOM
- FGUM
- ORLM
- NUS
- LLEB
- LSBQ
- LJUF
- SYOT
- KOOB
- EMPD
- OZNK
- VUGP
- UJKR
- MNNL
- ROCN
- ETIK
- ETIK
- ROWL
- LCQR
- SDUN
- IURJ
- NLLM
- BCQI
- PMUJ
- YVOO
- PMUJ
- GLBH
- DLOG
- NCOR
- DLOG
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