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 SZMW, how is BOAT written in the same code? (a) CPBU (b) YLZG (c) XKYF (d) ZMAH
- 2.If LION is written as ORLM, how is SHIP written in the same code? (a) ITSL (b) GRQJ (c) TIJQ (d) HSRK
- 3.If BELL is written as LLEB, how is RAIN written in the same code? (a) SBJO (b) OJBS (c) NIAR (d) MHZQ
- 4.If BOAT is written as CPBU, how is DOG written in the same code? (a) HPE (b) FQI (c) EPH (d) CNF
- 5.If PARK is written as OZQJ, how is BOOK written in the same code? (a) ANNJ (b) CPPL (c) ZMMI (d) BOOK
- 6.If FISH is written as GRHE, how is FROG written in the same code? (a) GORF (b) FNQE (c) EQNF (d) HPSG
- 7.If MOON is written as NLLM, how is DRUM written in the same code? (a) VHEM (b) WIFN (c) XJGO (d) ESVN
- 8.If GOLD is written as DLOG, how is FISH written in the same code? (a) GRHE (b) HSIF (c) GJTI (d) ITJG
- 9.If TREE is written as GGTV, how is MOON written in the same code? (a) NOOM (b) OQQP (c) LMMK (d) PQQO
- 10.If TOYS is written as SYOT, how is COLD written in the same code? (a) EMPD (b) DPME (c) DLOC (d) CKNB
- 11.If DESK is written as CDRJ, how is SUN written in the same code? (a) TVO (b) RTM (c) QSL (d) SUN
- 12.If LAMP is written as MBNQ, how is BELL written in the same code? (a) DGNN (b) CFMM (c) MMFC (d) ADKK
- 13.If FISH is written as ITJG, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) HPME (d) DLOG
- 14.If BOOK is written as ERRN, how is LION written in the same code? (a) OLRQ (b) NKQP (c) PMSR (d) IFLK
- 15.If WIND is written as DRMW, how is GOLD written in the same code? (a) HPME (b) SKNV (c) UMPX (d) TLOW
- 16.If TOYS is written as UAQV, how is BOAT written in the same code? (a) TAOB (b) DQCV (c) RYMZ (d) VCQD
- 17.If BOAT is written as ERDW, how is STAR written in the same code? (a) PQXO (b) VWDU (c) UVCT (d) WXEV
- 18.If CAT is written as BZS, how is PEN written in the same code? (a) QFO (b) NCL (c) PEN (d) ODM
- 19.If BOAT is written as YLZG, how is TREE written in the same code? (a) HJWW (b) GIVV (c) FHUU (d) USFF
- 20.If BOOK is written as MQQD, how is SHIP written in the same code? (a) NGFQ (b) UJKR (c) RKJU (d) PIHS
- 21.If BELL is written as LLEB, how is CAKE written in the same code? (a) FLBD (b) EKAC (c) DJZB (d) DBLF
- 22.If CAKE is written as DJZB, how is LAMP written in the same code? (a) KZLO (b) OLZK (c) PMAL (d) QNBM
- 23.If PEN is written as MDO, how is RAIN written in the same code? (a) NIAR (b) QZHM (c) MHZQ (d) OJBS
- 24.If CAKE is written as XZPV, how is WIND written in the same code? (a) CQLV (b) XJOE (c) ESNX (d) DRMW
- 25.If NEST is written as OFTU, how is FISH written in the same code? (a) EHRG (b) GJTI (c) ITJG (d) HKUJ
- 26.If SUN is written as HFM, how is PARK written in the same code? (a) LAJQ (b) KZIP (c) QBSL (d) JYHO
- 27.If NEST is written as MVHG, how is STAR written in the same code? (a) GFYH (b) TUBS (c) HGZI (d) IHAJ
- 28.If COLD is written as XLOW, how is STAR written in the same code? (a) HGZI (b) TUBS (c) IHAJ (d) GFYH
- 29.If CAT is written as VCE, how is CAKE written in the same code? (a) CIYA (b) EKAC (c) ECMG (d) GMCE
- 30.If DRUM is written as LTQC, how is COLD written in the same code? (a) DLOC (b) EMPD (c) CKNB (d) BNKC
- 31.If LAMP is written as QNBM, how is MOON written in the same code? (a) NOOM (b) NPPO (c) OPPN (d) MNNL
- 32.If BOAT is written as CPBU, how is TREE written in the same code? (a) FFSU (b) SQDD (c) USFF (d) VTGG
- 33.If FROG is written as IURJ, how is LAMP written in the same code? (a) NCOR (b) PEQT (c) IXJM (d) ODPS
- 34.If BELL is written as YVOO, how is KITE written in the same code? (a) QSHW (b) LJUF (c) OQFU (d) PRGV
- 35.If DOG is written as WLT, how is GOLD written in the same code? (a) UMPX (b) HPME (c) SKNV (d) TLOW
- 36.If GOLD is written as JROG, how is KITE written in the same code? (a) HFQB (b) OMXI (c) MKVG (d) NLWH
- 37.If STAR is written as HGZI, how is FISH written in the same code? (a) URHS (b) GJTI (c) TQGR (d) VSIT
- 38.If MILK is written as KLIM, how is BELL written in the same code? (a) CFMM (b) MMFC (c) LLEB (d) KKDA
- 39.If BELL is written as MMFC, how is FROG written in the same code? (a) FNQE (b) GORF (c) HPSG (d) GSPH
- 40.If KITE is written as MKVG, how is SUN written in the same code? (a) QSL (b) VXQ (c) UWP (d) TVO
Answer key
- YLZG
- HSRK
- NIAR
- EPH
- ANNJ
- FNQE
- WIFN
- HSIF
- PQQO
- DLOC
- RTM
- CFMM
- EMPH
- OLRQ
- TLOW
- VCQD
- VWDU
- ODM
- GIVV
- RKJU
- EKAC
- OLZK
- MHZQ
- DRMW
- GJTI
- KZIP
- HGZI
- HGZI
- GMCE
- CKNB
- OPPN
- USFF
- ODPS
- PRGV
- TLOW
- NLWH
- URHS
- LLEB
- HPSG
- UWP
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