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 TREE written in the same code? (a) RPCC (b) SQDD (c) TREE (d) USFF
- 2.If WIND is written as DRMW, how is NEST written in the same code? (a) NWIH (b) OFTU (c) MVHG (d) LUGF
- 3.If LAMP is written as ROCN, how is MOON written in the same code? (a) PQQO (b) OQQP (c) NOOM (d) LMMK
- 4.If CAT is written as XZG, how is LION written in the same code? (a) NQKL (b) ORLM (c) PSMN (d) MJPO
- 5.If LION is written as ORLM, how is JUMP written in the same code? (a) KVNQ (b) PEMJ (c) QFNK (d) RGOL
- 6.If MILK is written as NROP, how is SHIP written in the same code? (a) TIJQ (b) GRQJ (c) HSRK (d) ITSL
- 7.If DESK is written as EFTL, how is WIND written in the same code? (a) VHMC (b) YKPF (c) EOJX (d) XJOE
- 8.If BALL is written as NNCD, how is GOLD written in the same code? (a) DLOG (b) IQNF (c) BJME (d) FNQI
- 9.If CAT is written as SZB, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) SNXR (d) SYOT
- 10.If TOYS is written as GLBH, how is SUN written in the same code? (a) TVO (b) HFM (c) GEL (d) IGN
- 11.If COLD is written as DLOC, how is BELL written in the same code? (a) KKDA (b) CFMM (c) MMFC (d) LLEB
- 12.If TOYS is written as VQAU, how is SUN written in the same code? (a) QSL (b) TVO (c) UWP (d) VXQ
- 13.If BELL is written as CFMM, how is TOYS written in the same code? (a) VQAU (b) TZPU (c) UPZT (d) SNXR
- 14.If SUN is written as RTM, how is GOLD written in the same code? (a) HPME (b) FNKC (c) EMJB (d) GOLD
- 15.If SUN is written as NUS, how is NEST written in the same code? (a) UTFO (b) SRDM (c) TSEN (d) OFTU
- 16.If CAT is written as SZB, how is SUN written in the same code? (a) RTM (b) MTR (c) NUS (d) OVT
- 17.If SUN is written as UWP, how is LAMP written in the same code? (a) MBNQ (b) ODPS (c) JYKN (d) NCOR
- 18.If BOOK is written as YLLP, how is MOON written in the same code? (a) NLLM (b) NPPO (c) MKKL (d) OMMN
- 19.If KITE is written as JHSD, how is DRUM written in the same code? (a) CQTL (b) ESVN (c) DRUM (d) BPSK
- 20.If CAT is written as TAC, how is COLD written in the same code? (a) CKNB (b) EMPD (c) DLOC (d) DPME
- 21.If SHIP is written as HSRK, how is CAT written in the same code? (a) YAH (b) WYF (c) DBU (d) XZG
- 22.If SHIP is written as UJKR, how is DRUM written in the same code? (a) BPSK (b) GUXP (c) FTWO (d) ESVN
- 23.If GOLD is written as TLOW, how is DESK written in the same code? (a) EFTL (b) WVHP (c) XWIQ (d) VUGO
- 24.If SUN is written as HFM, how is FISH written in the same code? (a) VSIT (b) GJTI (c) URHS (d) TQGR
- 25.If CAT is written as TAC, how is KITE written in the same code? (a) FUJL (b) LJUF (c) ETIK (d) DSHJ
- 26.If WIND is written as UGLB, how is PEN written in the same code? (a) MBK (b) NCL (c) ODM (d) RGP
- 27.If WIND is written as UGLB, how is SHIP written in the same code? (a) QFGN (b) UJKR (c) PEFM (d) RGHO
- 28.If MILK is written as KLIM, how is DRUM written in the same code? (a) LTQC (b) MURD (c) NVSE (d) ESVN
- 29.If SUN is written as UWP, how is KITE written in the same code? (a) IGRC (b) LJUF (c) NLWH (d) MKVG
- 30.If STAR is written as TUBS, how is BOAT written in the same code? (a) CPBU (b) ANZS (c) DQCV (d) UBPC
- 31.If GOLD is written as DLOG, how is KITE written in the same code? (a) ETIK (b) LJUF (c) DSHJ (d) FUJL
- 32.If MILK is written as PLON, how is MOON written in the same code? (a) JLLK (b) OQQP (c) QSSR (d) PRRQ
- 33.If COLD is written as DLOC, how is BALL written in the same code? (a) CBMM (b) KKZA (c) LLAB (d) MMBC
- 34.If FISH is written as EHRG, how is CAKE written in the same code? (a) CAKE (b) BZJD (c) AYIC (d) DBLF
- 35.If WIND is written as YKPF, how is CAKE written in the same code? (a) DBLF (b) AYIC (c) FDNH (d) ECMG
- 36.If DRUM is written as WIFN, how is MOON written in the same code? (a) NLLM (b) MKKL (c) OMMN (d) NPPO
- 37.If MOON is written as MNNL, how is DRUM written in the same code? (a) NVSE (b) CQTL (c) MURD (d) LTQC
- 38.If MILK is written as NROP, how is HAND written in the same code? (a) SZMW (b) IBOE (c) TANX (d) RYLV
- 39.If LION is written as ORLM, how is WIND written in the same code? (a) DRMW (b) XJOE (c) CQLV (d) ESNX
- 40.If STAR is written as TCVU, how is COLD written in the same code? (a) BJMA (b) FNQE (c) EQNF (d) DLOC
Answer key
- SQDD
- MVHG
- PQQO
- ORLM
- QFNK
- HSRK
- XJOE
- FNQI
- RXNS
- HFM
- LLEB
- UWP
- UPZT
- FNKC
- TSEN
- MTR
- NCOR
- NLLM
- CQTL
- DLOC
- XZG
- FTWO
- WVHP
- URHS
- ETIK
- NCL
- QFGN
- MURD
- MKVG
- CPBU
- ETIK
- PRRQ
- LLAB
- BZJD
- ECMG
- NLLM
- LTQC
- SZMW
- DRMW
- FNQE
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