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 KITE is written as GVKM, how is TOYS written in the same code? (a) SYOT (b) UAQV (c) VQAU (d) QWMR
- 2.If LION is written as MNHK, how is NEST written in the same code? (a) SRDM (b) TSEN (c) MDRS (d) UTFO
- 3.If FROG is written as UILT, how is MILK written in the same code? (a) OSPQ (b) NJML (c) MQNO (d) NROP
- 4.If CAKE is written as EKAC, how is RAIN written in the same code? (a) MHZQ (b) OJBS (c) NIAR (d) SBJO
- 5.If BELL is written as LLEB, how is BOAT written in the same code? (a) SZNA (b) CPBU (c) UBPC (d) TAOB
- 6.If BOAT is written as YLZG, how is CAT written in the same code? (a) WYF (b) DBU (c) YAH (d) XZG
- 7.If DRUM is written as FTWO, how is FISH written in the same code? (a) GJTI (b) HKUJ (c) DGQF (d) ILVK
- 8.If NEST is written as VUGP, how is FISH written in the same code? (a) HKUJ (b) JUKH (c) HSIF (d) FQGD
- 9.If SHIP is written as PIHS, how is BALL written in the same code? (a) KKZA (b) CBMM (c) LLAB (d) MMBC
- 10.If MOON is written as NPPO, how is BELL written in the same code? (a) MMFC (b) DGNN (c) ADKK (d) CFMM
- 11.If BELL is written as ZCJJ, how is STAR written in the same code? (a) PQXO (b) RSZQ (c) QRYP (d) UVCT
- 12.If COLD is written as FNQE, how is LION written in the same code? (a) NKQP (b) NOIL (c) LMGJ (d) PQKN
- 13.If RAIN is written as TCKP, how is STAR written in the same code? (a) UVCT (b) VWDU (c) TUBS (d) QRYP
- 14.If LION is written as NOIL, how is PEN written in the same code? (a) NEP (b) MDO (c) OFQ (d) QFO
- 15.If DOG is written as IQF, how is GOLD written in the same code? (a) BJME (b) IQNF (c) FNQI (d) DLOG
- 16.If LAMP is written as ROCN, how is NEST written in the same code? (a) RQCL (b) TSEN (c) VUGP (d) PGUV
- 17.If DESK is written as JRDC, how is FROG written in the same code? (a) FNQE (b) GORF (c) HPSG (d) EQNF
- 18.If FROG is written as DPME, how is LION written in the same code? (a) KHNM (b) IFLK (c) NKQP (d) JGML
- 19.If HAND is written as SZMW, how is BOOK written in the same code? (a) XKKO (b) ZMMQ (c) CPPL (d) YLLP
- 20.If FROG is written as HPSG, how is LION written in the same code? (a) MNHK (b) NOIL (c) OPJM (d) MJPO
- 21.If LION is written as NOIL, how is DOG written in the same code? (a) FNC (b) GOD (c) HPE (d) EPH
- 22.If DOG is written as HPE, how is NEST written in the same code? (a) OFTU (b) TSEN (c) UTFO (d) SRDM
- 23.If BOOK is written as KOOB, how is DOG written in the same code? (a) GOD (b) EPH (c) FNC (d) HPE
- 24.If BELL is written as LLEB, how is TREE written in the same code? (a) DDQS (b) FFSU (c) EERT (d) USFF
- 25.If DESK is written as LTFE, how is DRUM written in the same code? (a) ESVN (b) MURD (c) LTQC (d) NVSE
- 26.If HAND is written as DNAH, how is NEST written in the same code? (a) TSEN (b) OFTU (c) SRDM (d) UTFO
- 27.If BOAT is written as YLZG, how is WIND written in the same code? (a) CQLV (b) XJOE (c) ESNX (d) DRMW
- 28.If DOG is written as GRJ, how is CAT written in the same code? (a) GEX (b) ZXQ (c) ECV (d) FDW
- 29.If BOAT is written as TAOB, how is LAMP written in the same code? (a) PMAL (b) OLZK (c) QNBM (d) MBNQ
- 30.If STAR is written as HGZI, how is CAKE written in the same code? (a) YAQW (b) XZPV (c) DBLF (d) WYOU
- 31.If LAMP is written as PMAL, how is DRUM written in the same code? (a) LTQC (b) NVSE (c) ESVN (d) MURD
- 32.If FISH is written as GRHE, how is DESK written in the same code? (a) LTFE (b) CDRJ (c) JRDC (d) KSED
- 33.If HAND is written as FYLB, how is FISH written in the same code? (a) HKUJ (b) EHRG (c) CFPE (d) DGQF
- 34.If HAND is written as KDQG, how is FISH written in the same code? (a) HKUJ (b) ILVK (c) JMWL (d) CFPE
- 35.If BOOK is written as YLLP, how is HAND written in the same code? (a) TANX (b) RYLV (c) IBOE (d) SZMW
- 36.If DRUM is written as WIFN, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) HSRK (d) TIJQ
- 37.If LION is written as ORLM, how is CAKE written in the same code? (a) YAQW (b) DBLF (c) WYOU (d) XZPV
- 38.If DESK is written as BCQI, how is BOAT written in the same code? (a) ZMYR (b) YLXQ (c) DQCV (d) ANZS
- 39.If DESK is written as LTFE, how is COLD written in the same code? (a) EMPD (b) DPME (c) CKNB (d) DLOC
- 40.If DRUM is written as CQTL, how is TREE written in the same code? (a) USFF (b) RPCC (c) TREE (d) SQDD
Answer key
- UAQV
- SRDM
- NROP
- NIAR
- TAOB
- XZG
- HKUJ
- JUKH
- LLAB
- CFMM
- QRYP
- PQKN
- UVCT
- NEP
- FNQI
- VUGP
- FNQE
- JGML
- YLLP
- OPJM
- GOD
- UTFO
- GOD
- EERT
- NVSE
- TSEN
- DRMW
- FDW
- PMAL
- XZPV
- MURD
- JRDC
- DGQF
- ILVK
- SZMW
- HSRK
- XZPV
- ZMYR
- EMPD
- SQDD
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