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 FISH written in the same code? (a) GJTI (b) FISH (c) EHRG (d) DGQF
- 2.If MILK is written as MNKO, how is STAR written in the same code? (a) UVCT (b) RATS (c) PYRQ (d) TCVU
- 3.If DOG is written as WLT, how is BOAT written in the same code? (a) CPBU (b) ZMAH (c) XKYF (d) YLZG
- 4.If WIND is written as DNIW, how is KITE written in the same code? (a) LJUF (b) FUJL (c) DSHJ (d) ETIK
- 5.If FROG is written as UILT, how is SHIP written in the same code? (a) TIJQ (b) HSRK (c) ITSL (d) GRQJ
- 6.If COLD is written as EMPD, how is SHIP written in the same code? (a) TIJQ (b) OHGR (c) PIHS (d) QJIT
- 7.If PARK is written as RCTM, how is LAMP written in the same code? (a) JYKN (b) MBNQ (c) ODPS (d) NCOR
- 8.If WIND is written as FPKY, how is BOOK written in the same code? (a) MQQD (b) IMMZ (c) KOOB (d) DQQM
- 9.If MILK is written as KGJI, how is KITE written in the same code? (a) HFQB (b) JHSD (c) MKVG (d) IGRC
- 10.If FISH is written as HSIF, how is GOLD written in the same code? (a) HPME (b) EMPH (c) DLOG (d) CKNF
- 11.If PARK is written as RCTM, how is BELL written in the same code? (a) ZCJJ (b) CFMM (c) EHOO (d) DGNN
- 12.If DOG is written as FNC, how is TREE written in the same code? (a) SQDD (b) DDQS (c) EERT (d) FFSU
- 13.If PARK is written as KZIP, how is SUN written in the same code? (a) GEL (b) TVO (c) IGN (d) HFM
- 14.If TREE is written as EERT, how is FROG written in the same code? (a) HPSG (b) FNQE (c) GORF (d) GSPH
- 15.If DRUM is written as ESVN, how is COLD written in the same code? (a) EMPD (b) DPME (c) BNKC (d) EQNF
- 16.If LION is written as NOIL, how is COLD written in the same code? (a) DPME (b) DLOC (c) CKNB (d) EMPD
- 17.If MILK is written as OKNM, how is PEN written in the same code? (a) RGP (b) QFO (c) SHQ (d) NCL
- 18.If DESK is written as KSED, how is COLD written in the same code? (a) DPME (b) CKNB (c) DLOC (d) EMPD
- 19.If LION is written as JGML, how is CAKE written in the same code? (a) ECMG (b) BZJD (c) ZXHB (d) AYIC
- 20.If BELL is written as YVOO, how is RAIN written in the same code? (a) JASN (b) SBJO (c) HYQL (d) IZRM
- 21.If LAMP is written as MBNQ, how is DOG written in the same code? (a) FQI (b) CNF (c) HPE (d) EPH
- 22.If COLD is written as CKNB, how is BALL written in the same code? (a) KKZA (b) LLAB (c) AZKK (d) MMBC
- 23.If DOG is written as WLT, how is BOOK written in the same code? (a) ZMMQ (b) CPPL (c) XKKO (d) YLLP
- 24.If WIND is written as DNIW, how is FISH written in the same code? (a) HSIF (b) GJTI (c) GRHE (d) ITJG
- 25.If NEST is written as MVHG, how is PEN written in the same code? (a) QFO (b) JUL (c) KVM (d) LWN
- 26.If MILK is written as KGJI, how is COLD written in the same code? (a) ZLIA (b) AMJB (c) EQNF (d) BNKC
- 27.If SUN is written as UWP, how is BELL written in the same code? (a) CFMM (b) EHOO (c) DGNN (d) ZCJJ
- 28.If PARK is written as KRAP, how is LAMP written in the same code? (a) OLZK (b) PMAL (c) MBNQ (d) QNBM
- 29.If TREE is written as WUHH, how is CAT written in the same code? (a) GEX (b) ECV (c) ZXQ (d) FDW
- 30.If COLD is written as DLOC, how is KITE written in the same code? (a) FUJL (b) ETIK (c) LJUF (d) DSHJ
- 31.If PARK is written as KRAP, how is SUN written in the same code? (a) TVO (b) NUS (c) MTR (d) OVT
- 32.If BOAT is written as UBPC, how is PEN written in the same code? (a) MDO (b) OFQ (c) NEP (d) QFO
- 33.If KITE is written as FUJL, how is BALL written in the same code? (a) LLAB (b) CBMM (c) MMBC (d) KKZA
- 34.If BELL is written as LLEB, how is MILK written in the same code? (a) JKHL (b) NJML (c) LMJN (d) KLIM
- 35.If BOAT is written as TAOB, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) JNNA (d) CPPL
- 36.If FROG is written as FNQE, how is FISH written in the same code? (a) ITJG (b) HSIF (c) GRHE (d) EHRG
- 37.If MILK is written as NROP, how is TOYS written in the same code? (a) FKAG (b) GLBH (c) UPZT (d) HMCI
- 38.If BALL is written as YZOO, how is SUN written in the same code? (a) GEL (b) TVO (c) HFM (d) IGN
- 39.If BELL is written as LLEB, how is DESK written in the same code? (a) KSED (b) EFTL (c) LTFE (d) JRDC
- 40.If CAT is written as XZG, how is LAMP written in the same code? (a) MBNQ (b) NYMJ (c) PAOL (d) OZNK
Answer key
- EHRG
- TCVU
- YLZG
- ETIK
- HSRK
- QJIT
- NCOR
- MQQD
- IGRC
- DLOG
- DGNN
- DDQS
- HFM
- GORF
- DPME
- DLOC
- RGP
- DLOC
- AYIC
- IZRM
- EPH
- KKZA
- YLLP
- HSIF
- KVM
- AMJB
- DGNN
- PMAL
- FDW
- ETIK
- NUS
- OFQ
- MMBC
- KLIM
- KOOB
- GRHE
- GLBH
- HFM
- KSED
- OZNK
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