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 MILK is written as KLIM, how is BOAT written in the same code? (a) TAOB (b) UBPC (c) CPBU (d) SZNA
- 2.If TREE is written as EERT, how is MOON written in the same code? (a) OPPN (b) NOOM (c) NPPO (d) MNNL
- 3.If TOYS is written as SYOT, how is STAR written in the same code? (a) TUBS (b) QZSR (c) SBUT (d) RATS
- 4.If COLD is written as DLOC, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) SBJO (d) OJBS
- 5.If HAND is written as SZMW, how is RAIN written in the same code? (a) JASN (b) SBJO (c) IZRM (d) HYQL
- 6.If HAND is written as FPCJ, how is LAMP written in the same code? (a) PMAL (b) NCOR (c) ROCN (d) NKYJ
- 7.If PARK is written as KZIP, how is RAIN written in the same code? (a) SBJO (b) HYQL (c) JASN (d) IZRM
- 8.If DOG is written as WLT, how is SHIP written in the same code? (a) ITSL (b) GRQJ (c) HSRK (d) TIJQ
- 9.If HAND is written as SZMW, how is DRUM written in the same code? (a) ESVN (b) XJGO (c) VHEM (d) WIFN
- 10.If SHIP is written as RGHO, how is CAKE written in the same code? (a) AYIC (b) BZJD (c) DBLF (d) CAKE
- 11.If CAT is written as DBU, how is PARK written in the same code? (a) OZQJ (b) RCTM (c) QBSL (d) LSBQ
- 12.If STAR is written as RATS, how is RAIN written in the same code? (a) MHZQ (b) OJBS (c) NIAR (d) SBJO
- 13.If KITE is written as PRGV, how is DESK written in the same code? (a) EFTL (b) XWIQ (c) WVHP (d) VUGO
- 14.If LION is written as NOIL, how is HAND written in the same code? (a) CMZG (b) EOBI (c) DNAH (d) IBOE
- 15.If HAND is written as GZMC, how is BOOK written in the same code? (a) ZMMI (b) BOOK (c) ANNJ (d) CPPL
- 16.If PEN is written as QFO, how is FROG written in the same code? (a) HPSG (b) GSPH (c) EQNF (d) HTQI
- 17.If JUMP is written as KVNQ, how is DOG written in the same code? (a) CNF (b) FQI (c) HPE (d) EPH
- 18.If PARK is written as KZIP, how is KITE written in the same code? (a) QSHW (b) LJUF (c) OQFU (d) PRGV
- 19.If BELL is written as ADKK, how is WIND written in the same code? (a) WIND (b) XJOE (c) UGLB (d) VHMC
- 20.If DOG is written as BME, how is DESK written in the same code? (a) BCQI (b) ABPH (c) FGUM (d) CDRJ
- 21.If DESK is written as LTFE, how is DRUM written in the same code? (a) ESVN (b) LTQC (c) MURD (d) NVSE
- 22.If SUN is written as NUS, how is BELL written in the same code? (a) CFMM (b) MMFC (c) KKDA (d) LLEB
- 23.If BOOK is written as KOOB, how is FISH written in the same code? (a) ITJG (b) GJTI (c) HSIF (d) GRHE
- 24.If BELL is written as KKDA, how is HAND written in the same code? (a) CMZG (b) DNAH (c) EOBI (d) GZMC
- 25.If BOOK is written as MQQD, how is DESK written in the same code? (a) MUGF (b) KSED (c) FGUM (d) IQCB
- 26.If HAND is written as CMZG, how is BOOK written in the same code? (a) KOOB (b) ANNJ (c) LPPC (d) JNNA
- 27.If MOON is written as NPPO, how is DRUM written in the same code? (a) FTWO (b) CQTL (c) ESVN (d) NVSE
- 28.If RAIN is written as QZHM, how is KITE written in the same code? (a) LJUF (b) IGRC (c) KITE (d) JHSD
- 29.If WIND is written as EOJX, how is MOON written in the same code? (a) OPPN (b) NOOM (c) NPPO (d) MNNL
- 30.If PEN is written as QFO, how is SHIP written in the same code? (a) RGHO (b) UJKR (c) TIJQ (d) QJIT
- 31.If BOAT is written as UBPC, how is RAIN written in the same code? (a) OJBS (b) MHZQ (c) SBJO (d) NIAR
- 32.If PARK is written as QBSL, how is FISH written in the same code? (a) HKUJ (b) ITJG (c) GJTI (d) EHRG
- 33.If MILK is written as NROP, how is TOYS written in the same code? (a) HMCI (b) UPZT (c) GLBH (d) FKAG
- 34.If WIND is written as EOJX, how is RAIN written in the same code? (a) NIAR (b) SBJO (c) MHZQ (d) OJBS
- 35.If BELL is written as CFMM, how is DOG written in the same code? (a) CNF (b) HPE (c) EPH (d) FQI
- 36.If JUMP is written as QNVK, how is BOOK written in the same code? (a) LPPC (b) CPPL (c) JNNA (d) KOOB
- 37.If TOYS is written as RMWQ, how is JUMP written in the same code? (a) GRJM (b) LWOR (c) ITLO (d) HSKN
- 38.If DOG is written as GRJ, how is SUN written in the same code? (a) VXQ (b) WYR (c) PRK (d) UWP
- 39.If LAMP is written as PMAL, how is PARK written in the same code? (a) KRAP (b) QBSL (c) LSBQ (d) JQZO
- 40.If STAR is written as TCVU, how is KITE written in the same code? (a) GVKM (b) MKVG (c) CRGI (d) ETIK
Answer key
- TAOB
- NOOM
- RATS
- NIAR
- IZRM
- ROCN
- IZRM
- HSRK
- WIFN
- BZJD
- QBSL
- NIAR
- WVHP
- DNAH
- ANNJ
- GSPH
- EPH
- PRGV
- VHMC
- BCQI
- NVSE
- LLEB
- HSIF
- CMZG
- MUGF
- JNNA
- ESVN
- JHSD
- OPPN
- TIJQ
- OJBS
- GJTI
- GLBH
- OJBS
- EPH
- LPPC
- HSKN
- VXQ
- KRAP
- GVKM
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