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 HAND is written as KDQG, how is DOG written in the same code? (a) FQI (b) GRJ (c) ALD (d) HSK
- 2.If KITE is written as ETIK, how is CAKE written in the same code? (a) DBLF (b) EKAC (c) DJZB (d) FLBD
- 3.If WIND is written as DNIW, how is KITE written in the same code? (a) LJUF (b) FUJL (c) DSHJ (d) ETIK
- 4.If CAT is written as TAC, how is PEN written in the same code? (a) QFO (b) NEP (c) OFQ (d) MDO
- 5.If FROG is written as GORF, how is LION written in the same code? (a) MNHK (b) MJPO (c) OPJM (d) NOIL
- 6.If CAT is written as XZG, how is FISH written in the same code? (a) GJTI (b) VSIT (c) TQGR (d) URHS
- 7.If KITE is written as MKVG, how is SHIP written in the same code? (a) TIJQ (b) VKLS (c) UJKR (d) QFGN
- 8.If WIND is written as YKPF, how is CAKE written in the same code? (a) ECMG (b) DBLF (c) FDNH (d) AYIC
- 9.If JUMP is written as QFNK, how is BOOK written in the same code? (a) CPPL (b) ZMMQ (c) XKKO (d) YLLP
- 10.If DESK is written as KSED, how is DRUM written in the same code? (a) LTQC (b) ESVN (c) MURD (d) NVSE
- 11.If LION is written as MNHK, how is SHIP written in the same code? (a) QJIT (b) PIHS (c) RGHO (d) OHGR
- 12.If LION is written as OPJM, how is BOOK written in the same code? (a) JNNA (b) KOOB (c) LPPC (d) CPPL
- 13.If MILK is written as KLIM, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) DLOG (d) HPME
- 14.If SUN is written as TVO, how is HAND written in the same code? (a) IBOE (b) EOBI (c) GZMC (d) JCPF
- 15.If MOON is written as PRRQ, how is FISH written in the same code? (a) ILVK (b) JMWL (c) CFPE (d) HKUJ
- 16.If DOG is written as HPE, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) NIAR (d) MHZQ
- 17.If FROG is written as IURJ, how is JUMP written in the same code? (a) MXPS (b) NYQT (c) GRJM (d) LWOR
- 18.If COLD is written as EQNF, how is KITE written in the same code? (a) NLWH (b) MKVG (c) LJUF (d) IGRC
- 19.If BOOK is written as DQQM, how is DRUM written in the same code? (a) ESVN (b) BPSK (c) FTWO (d) GUXP
- 20.If FROG is written as GORF, how is KITE written in the same code? (a) LJUF (b) FUJL (c) DSHJ (d) ETIK
- 21.If MILK is written as KLIM, how is CAKE written in the same code? (a) FLBD (b) EKAC (c) DBLF (d) DJZB
- 22.If TOYS is written as SYOT, how is DRUM written in the same code? (a) ESVN (b) NVSE (c) MURD (d) LTQC
- 23.If BALL is written as YZOO, how is KITE written in the same code? (a) QSHW (b) OQFU (c) PRGV (d) LJUF
- 24.If CAT is written as TAC, how is MOON written in the same code? (a) MNNL (b) NOOM (c) NPPO (d) OPPN
- 25.If MILK is written as NROP, how is DOG written in the same code? (a) XMU (b) WLT (c) EPH (d) VKS
- 26.If BOOK is written as ERRN, how is STAR written in the same code? (a) PQXO (b) UVCT (c) VWDU (d) WXEV
- 27.If CAT is written as VCE, how is MILK written in the same code? (a) IJGK (b) MNKO (c) KLIM (d) OKNM
- 28.If DOG is written as WLT, how is BOAT written in the same code? (a) XKYF (b) ZMAH (c) CPBU (d) YLZG
- 29.If COLD is written as DPME, how is DESK written in the same code? (a) FGUM (b) EFTL (c) CDRJ (d) LTFE
- 30.If BOAT is written as YLZG, how is GOLD written in the same code? (a) UMPX (b) SKNV (c) HPME (d) TLOW
- 31.If BALL is written as YZOO, how is FROG written in the same code? (a) GSPH (b) VJMU (c) THKS (d) UILT
- 32.If PEN is written as SHQ, how is NEST written in the same code? (a) RIWX (b) QHVW (c) KBPQ (d) PGUV
- 33.If TOYS is written as RXNS, how is BELL written in the same code? (a) ADKK (b) LLEB (c) KKDA (d) MMFC
- 34.If DOG is written as GOD, how is WIND written in the same code? (a) CMHV (b) XJOE (c) DNIW (d) EOJX
- 35.If STAR is written as SBUT, how is TOYS written in the same code? (a) UPZT (b) TZPU (c) SYOT (d) RXNS
- 36.If DOG is written as HPE, how is CAT written in the same code? (a) TAC (b) DBU (c) SZB (d) UBD
- 37.If MOON is written as NOOM, how is KITE written in the same code? (a) FUJL (b) DSHJ (c) ETIK (d) LJUF
- 38.If STAR is written as TUBS, how is BELL written in the same code? (a) DGNN (b) CFMM (c) MMFC (d) ADKK
- 39.If GOLD is written as DLOG, how is DOG written in the same code? (a) HPE (b) EPH (c) FNC (d) GOD
- 40.If CAT is written as VCE, how is STAR written in the same code? (a) RATS (b) UVCT (c) PYRQ (d) TCVU
Answer key
- GRJ
- EKAC
- ETIK
- NEP
- NOIL
- URHS
- UJKR
- ECMG
- YLLP
- MURD
- OHGR
- LPPC
- DLOG
- IBOE
- ILVK
- OJBS
- MXPS
- MKVG
- FTWO
- ETIK
- EKAC
- MURD
- PRGV
- NOOM
- WLT
- VWDU
- MNKO
- YLZG
- EFTL
- TLOW
- UILT
- QHVW
- KKDA
- DNIW
- TZPU
- UBD
- ETIK
- CFMM
- GOD
- TCVU
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