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 SHIP is written as UJKR, how is GOLD written in the same code? (a) EMJB (b) JROG (c) HPME (d) IQNF
- 2.If BOAT is written as VCQD, how is KITE written in the same code? (a) CRGI (b) ETIK (c) MKVG (d) GVKM
- 3.If RAIN is written as IZRM, how is SUN written in the same code? (a) IGN (b) TVO (c) HFM (d) GEL
- 4.If JUMP is written as MXPS, how is BELL written in the same code? (a) YBII (b) DGNN (c) FIPP (d) EHOO
- 5.If BELL is written as NNGD, how is BOAT written in the same code? (a) TAOB (b) VCQD (c) DQCV (d) RYMZ
- 6.If KITE is written as MKVG, how is LAMP written in the same code? (a) ODPS (b) JYKN (c) MBNQ (d) NCOR
- 7.If MOON is written as NOOM, how is BOOK written in the same code? (a) LPPC (b) CPPL (c) JNNA (d) KOOB
- 8.If SHIP is written as TIJQ, how is BALL written in the same code? (a) MMBC (b) DCNN (c) CBMM (d) AZKK
- 9.If LAMP is written as OZNK, how is TREE written in the same code? (a) USFF (b) FHUU (c) GIVV (d) HJWW
- 10.If FISH is written as URHS, how is DRUM written in the same code? (a) VHEM (b) ESVN (c) XJGO (d) WIFN
- 11.If DESK is written as KSED, how is NEST written in the same code? (a) SRDM (b) OFTU (c) UTFO (d) TSEN
- 12.If BALL is written as YZOO, how is GOLD written in the same code? (a) HPME (b) TLOW (c) UMPX (d) SKNV
- 13.If WIND is written as CMHV, how is COLD written in the same code? (a) CKNB (b) BNKC (c) DLOC (d) EMPD
- 14.If COLD is written as XLOW, how is BOAT written in the same code? (a) CPBU (b) ZMAH (c) XKYF (d) YLZG
- 15.If NEST is written as UTFO, how is WIND written in the same code? (a) XJOE (b) CMHV (c) EOJX (d) DNIW
- 16.If TREE is written as SQDD, how is TOYS written in the same code? (a) SNXR (b) UPZT (c) TOYS (d) RMWQ
- 17.If CAT is written as ECV, how is TREE written in the same code? (a) RPCC (b) WUHH (c) USFF (d) VTGG
- 18.If CAKE is written as DJZB, how is WIND written in the same code? (a) VHMC (b) DNIW (c) CMHV (d) EOJX
- 19.If HAND is written as FPCJ, how is LAMP written in the same code? (a) NKYJ (b) ROCN (c) NCOR (d) PMAL
- 20.If DESK is written as WVHP, how is STAR written in the same code? (a) IHAJ (b) HGZI (c) TUBS (d) GFYH
- 21.If LAMP is written as ROCN, how is MOON written in the same code? (a) LMMK (b) NOOM (c) OQQP (d) PQQO
- 22.If COLD is written as XLOW, how is LION written in the same code? (a) PSMN (b) NQKL (c) MJPO (d) ORLM
- 23.If NEST is written as TSEN, how is STAR written in the same code? (a) QZSR (b) TUBS (c) RATS (d) SBUT
- 24.If CAT is written as ECV, how is KITE written in the same code? (a) LJUF (b) MKVG (c) NLWH (d) IGRC
- 25.If BOOK is written as ZMMI, how is STAR written in the same code? (a) RSZQ (b) PQXO (c) QRYP (d) UVCT
- 26.If FISH is written as HSIF, how is LAMP written in the same code? (a) MBNQ (b) OLZK (c) QNBM (d) PMAL
- 27.If FROG is written as GORF, how is NEST written in the same code? (a) OFTU (b) TSEN (c) SRDM (d) UTFO
- 28.If DRUM is written as NVSE, how is CAKE written in the same code? (a) FLBD (b) DBLF (c) EKAC (d) DJZB
- 29.If CAT is written as UBD, how is TOYS written in the same code? (a) RXNS (b) SYOT (c) UPZT (d) TZPU
- 30.If BOOK is written as YLLP, how is NEST written in the same code? (a) OFTU (b) MVHG (c) LUGF (d) NWIH
- 31.If HAND is written as DNAH, how is COLD written in the same code? (a) CKNB (b) DPME (c) EMPD (d) DLOC
- 32.If LION is written as MJPO, how is GOLD written in the same code? (a) FNKC (b) EMPH (c) IQNF (d) HPME
- 33.If COLD is written as DPME, how is RAIN written in the same code? (a) TCKP (b) SBJO (c) OJBS (d) QZHM
- 34.If LAMP is written as NCOR, how is CAKE written in the same code? (a) DBLF (b) FDNH (c) ECMG (d) AYIC
- 35.If CAT is written as SZB, how is BOAT written in the same code? (a) ANZS (b) UBPC (c) TAOB (d) SZNA
- 36.If KITE is written as MKVG, how is LION written in the same code? (a) JGML (b) NKQP (c) OLRQ (d) MJPO
- 37.If MOON is written as NLLM, how is FROG written in the same code? (a) GSPH (b) UILT (c) THKS (d) VJMU
- 38.If BOAT is written as TAOB, how is STAR written in the same code? (a) RATS (b) TUBS (c) SBUT (d) QZSR
- 39.If PEN is written as PGR, how is NEST written in the same code? (a) PGUV (b) RQCL (c) VUGP (d) TSEN
- 40.If DOG is written as GOD, how is MILK written in the same code? (a) JKHL (b) NJML (c) LMJN (d) KLIM
Answer key
- IQNF
- GVKM
- HFM
- EHOO
- VCQD
- NCOR
- KOOB
- CBMM
- GIVV
- WIFN
- TSEN
- TLOW
- CKNB
- YLZG
- EOJX
- SNXR
- VTGG
- CMHV
- ROCN
- HGZI
- PQQO
- ORLM
- RATS
- MKVG
- QRYP
- PMAL
- TSEN
- FLBD
- TZPU
- MVHG
- DLOC
- HPME
- SBJO
- ECMG
- SZNA
- NKQP
- UILT
- RATS
- VUGP
- KLIM
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