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 BALL is written as NNCD, how is STAR written in the same code? (a) TCVU (b) UVCT (c) PYRQ (d) RATS
- 2.If PARK is written as KRAP, how is SHIP written in the same code? (a) OHGR (b) QJIT (c) TIJQ (d) PIHS
- 3.If PEN is written as MDO, how is MOON written in the same code? (a) MNNL (b) NOOM (c) OPPN (d) LNNM
- 4.If SHIP is written as QJIT, how is DOG written in the same code? (a) EPH (b) HPE (c) FNC (d) GOD
- 5.If WIND is written as CMHV, how is CAKE written in the same code? (a) FLBD (b) EKAC (c) BZJD (d) DJZB
- 6.If COLD is written as DPME, how is JUMP written in the same code? (a) KVNQ (b) LWOR (c) ITLO (d) QNVK
- 7.If STAR is written as TUBS, how is FROG written in the same code? (a) EQNF (b) HPSG (c) HTQI (d) GSPH
- 8.If KITE is written as ETIK, how is WIND written in the same code? (a) EOJX (b) CMHV (c) XJOE (d) DNIW
- 9.If LION is written as NKQP, how is FROG written in the same code? (a) DPME (b) GSPH (c) IURJ (d) HTQI
- 10.If DOG is written as FQI, how is FROG written in the same code? (a) DPME (b) HTQI (c) GSPH (d) IURJ
- 11.If PEN is written as NEP, how is KITE written in the same code? (a) LJUF (b) FUJL (c) DSHJ (d) ETIK
- 12.If MILK is written as LMJN, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) OJBS (d) SBJO
- 13.If FROG is written as UILT, how is MILK written in the same code? (a) MQNO (b) NJML (c) NROP (d) OSPQ
- 14.If FROG is written as UILT, how is RAIN written in the same code? (a) SBJO (b) IZRM (c) HYQL (d) JASN
- 15.If TOYS is written as UAQV, how is DESK written in the same code? (a) MUGF (b) FGUM (c) IQCB (d) KSED
- 16.If BOOK is written as LPPC, how is CAKE written in the same code? (a) FLBD (b) EKAC (c) DJZB (d) DBLF
- 17.If TOYS is written as SYOT, how is SUN written in the same code? (a) NUS (b) TVO (c) MTR (d) OVT
- 18.If BALL is written as NNCD, how is TREE written in the same code? (a) GGTV (b) CCPR (c) EERT (d) VTGG
- 19.If TREE is written as GIVV, how is BOOK written in the same code? (a) XKKO (b) ZMMQ (c) YLLP (d) CPPL
- 20.If SHIP is written as PIHS, how is BOOK written in the same code? (a) LPPC (b) CPPL (c) KOOB (d) JNNA
- 21.If FISH is written as URHS, how is DRUM written in the same code? (a) VHEM (b) ESVN (c) XJGO (d) WIFN
- 22.If WIND is written as DRMW, how is JUMP written in the same code? (a) QFNK (b) KVNQ (c) RGOL (d) PEMJ
- 23.If CAKE is written as AYIC, how is KITE written in the same code? (a) MKVG (b) HFQB (c) IGRC (d) JHSD
- 24.If STAR is written as RATS, how is BOAT written in the same code? (a) UBPC (b) SZNA (c) CPBU (d) TAOB
- 25.If CAT is written as XZG, how is LION written in the same code? (a) ORLM (b) MJPO (c) PSMN (d) NQKL
- 26.If SUN is written as NUS, how is FROG written in the same code? (a) HPSG (b) GSPH (c) GORF (d) FNQE
- 27.If RAIN is written as PYGL, how is SHIP written in the same code? (a) PEFM (b) UJKR (c) QFGN (d) RGHO
- 28.If CAT is written as XZG, how is JUMP written in the same code? (a) KVNQ (b) PEMJ (c) QFNK (d) RGOL
- 29.If SUN is written as OVT, how is HAND written in the same code? (a) DNAH (b) IBOE (c) EOBI (d) CMZG
- 30.If BOOK is written as JNNA, how is PEN written in the same code? (a) NEP (b) MDO (c) ODM (d) OFQ
- 31.If SUN is written as NUS, how is BELL written in the same code? (a) MMFC (b) CFMM (c) LLEB (d) KKDA
- 32.If BOOK is written as KOOB, how is SUN written in the same code? (a) MTR (b) NUS (c) TVO (d) OVT
- 33.If TOYS is written as RXNS, how is TREE written in the same code? (a) FFSU (b) SQDD (c) DDQS (d) EERT
- 34.If LION is written as NOIL, how is CAT written in the same code? (a) SZB (b) DBU (c) UBD (d) TAC
- 35.If BOOK is written as KOOB, how is LION written in the same code? (a) MJPO (b) NOIL (c) MNHK (d) OPJM
- 36.If HAND is written as IBOE, how is DRUM written in the same code? (a) ESVN (b) FTWO (c) NVSE (d) CQTL
- 37.If RAIN is written as IZRM, how is MOON written in the same code? (a) NPPO (b) MKKL (c) NLLM (d) OMMN
- 38.If MOON is written as NOOM, how is COLD written in the same code? (a) CKNB (b) DLOC (c) EMPD (d) DPME
- 39.If BALL is written as LLAB, how is TREE written in the same code? (a) FFSU (b) DDQS (c) USFF (d) EERT
- 40.If DRUM is written as MURD, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) CPPL (d) KOOB
Answer key
- TCVU
- PIHS
- MNNL
- HPE
- DJZB
- KVNQ
- GSPH
- DNIW
- HTQI
- HTQI
- ETIK
- OJBS
- NROP
- IZRM
- MUGF
- FLBD
- NUS
- GGTV
- YLLP
- KOOB
- WIFN
- QFNK
- IGRC
- TAOB
- ORLM
- GORF
- QFGN
- QFNK
- EOBI
- MDO
- LLEB
- NUS
- DDQS
- TAC
- NOIL
- ESVN
- NLLM
- DLOC
- EERT
- KOOB
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