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 TREE is written as GIVV, how is SUN written in the same code? (a) GEL (b) IGN (c) HFM (d) TVO
- 2.If LION is written as ORLM, how is BELL written in the same code? (a) XUNN (b) YVOO (c) ZWPP (d) CFMM
- 3.If TREE is written as WUHH, how is WIND written in the same code? (a) YKPF (b) ZLQG (c) TFKA (d) AMRH
- 4.If GOLD is written as TLOW, how is WIND written in the same code? (a) XJOE (b) CQLV (c) DRMW (d) ESNX
- 5.If BOOK is written as YLLP, how is LAMP written in the same code? (a) OZNK (b) MBNQ (c) NYMJ (d) PAOL
- 6.If PEN is written as NEP, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) MHZQ (d) NIAR
- 7.If CAKE is written as EKAC, how is STAR written in the same code? (a) SBUT (b) TUBS (c) QZSR (d) RATS
- 8.If JUMP is written as KVNQ, how is LION written in the same code? (a) NKQP (b) OPJM (c) MJPO (d) KHNM
- 9.If WIND is written as VHMC, how is BOOK written in the same code? (a) ANNJ (b) ZMMI (c) CPPL (d) BOOK
- 10.If BOAT is written as VCQD, how is MILK written in the same code? (a) IJGK (b) KLIM (c) OKNM (d) MNKO
- 11.If WIND is written as XJOE, how is MILK written in the same code? (a) LMJN (b) NJML (c) OKNM (d) LHKJ
- 12.If STAR is written as QZSR, how is TREE written in the same code? (a) FFSU (b) SQDD (c) EERT (d) DDQS
- 13.If HAND is written as SZMW, how is MOON written in the same code? (a) NPPO (b) OMMN (c) NLLM (d) MKKL
- 14.If PARK is written as MTCR, how is TREE written in the same code? (a) VTGG (b) GGTV (c) CCPR (d) EERT
- 15.If FROG is written as HTQI, how is MILK written in the same code? (a) KGJI (b) NJML (c) PLON (d) OKNM
- 16.If KITE is written as IGRC, how is RAIN written in the same code? (a) OXFK (b) PYGL (c) QZHM (d) TCKP
- 17.If MILK is written as LHKJ, how is LAMP written in the same code? (a) JYKN (b) LAMP (c) KZLO (d) MBNQ
- 18.If WIND is written as DRMW, how is JUMP written in the same code? (a) KVNQ (b) PEMJ (c) QFNK (d) RGOL
- 19.If LAMP is written as MBNQ, how is CAKE written in the same code? (a) BZJD (b) FLBD (c) DBLF (d) ECMG
- 20.If TREE is written as FFSU, how is FROG written in the same code? (a) GORF (b) GSPH (c) HPSG (d) FNQE
- 21.If BALL is written as EDOO, how is CAT written in the same code? (a) ZXQ (b) GEX (c) ECV (d) FDW
- 22.If BOAT is written as SZNA, how is MILK written in the same code? (a) JKHL (b) KLIM (c) LHKJ (d) LMJN
- 23.If MOON is written as OPPN, how is DOG written in the same code? (a) EPH (b) FNC (c) HPE (d) GOD
- 24.If PARK is written as JQZO, how is LION written in the same code? (a) KHNM (b) OPJM (c) MNHK (d) NOIL
- 25.If LION is written as ORLM, how is SUN written in the same code? (a) IGN (b) HFM (c) TVO (d) GEL
- 26.If DRUM is written as WIFN, how is RAIN written in the same code? (a) HYQL (b) IZRM (c) SBJO (d) JASN
- 27.If HAND is written as FPCJ, how is BOOK written in the same code? (a) MQQD (b) DQQM (c) IMMZ (d) KOOB
- 28.If TOYS is written as GLBH, how is BOOK written in the same code? (a) ZMMQ (b) YLLP (c) XKKO (d) CPPL
- 29.If LION is written as MJPO, how is FROG written in the same code? (a) EQNF (b) GSPH (c) HPSG (d) HTQI
- 30.If DESK is written as WVHP, how is TOYS written in the same code? (a) UPZT (b) GLBH (c) FKAG (d) HMCI
- 31.If WIND is written as ZLQG, how is DOG written in the same code? (a) ALD (b) HSK (c) FQI (d) GRJ
- 32.If KITE is written as IGRC, how is FISH written in the same code? (a) EHRG (b) CFPE (c) HKUJ (d) DGQF
- 33.If COLD is written as EQNF, how is LAMP written in the same code? (a) MBNQ (b) ODPS (c) JYKN (d) NCOR
- 34.If MILK is written as NROP, how is CAKE written in the same code? (a) DBLF (b) WYOU (c) YAQW (d) XZPV
- 35.If DOG is written as WLT, how is GOLD written in the same code? (a) TLOW (b) UMPX (c) SKNV (d) HPME
- 36.If KITE is written as ETIK, how is TREE written in the same code? (a) EERT (b) FFSU (c) DDQS (d) USFF
- 37.If PARK is written as NYPI, how is PEN written in the same code? (a) RGP (b) MBK (c) NCL (d) ODM
- 38.If BOAT is written as VCQD, how is DOG written in the same code? (a) IQF (b) FQI (c) GOD (d) EMB
- 39.If KITE is written as LJUF, how is BOOK written in the same code? (a) DQQM (b) ANNJ (c) CPPL (d) LPPC
- 40.If TREE is written as GGTV, how is KITE written in the same code? (a) GVKM (b) CRGI (c) MKVG (d) ETIK
Answer key
- HFM
- YVOO
- ZLQG
- DRMW
- OZNK
- NIAR
- RATS
- MJPO
- ANNJ
- MNKO
- NJML
- DDQS
- NLLM
- GGTV
- OKNM
- PYGL
- KZLO
- QFNK
- DBLF
- HPSG
- FDW
- JKHL
- HPE
- MNHK
- HFM
- IZRM
- MQQD
- YLLP
- GSPH
- GLBH
- GRJ
- DGQF
- NCOR
- XZPV
- TLOW
- EERT
- NCL
- IQF
- CPPL
- GVKM
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