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 WIND is written as DRMW, how is CAKE written in the same code? (a) WYOU (b) DBLF (c) XZPV (d) YAQW
- 2.If LION is written as JGML, how is BALL written in the same code? (a) DCNN (b) YXII (c) AZKK (d) ZYJJ
- 3.If RAIN is written as IZRM, how is MILK written in the same code? (a) NJML (b) MQNO (c) OSPQ (d) NROP
- 4.If MOON is written as OQQP, how is HAND written in the same code? (a) IBOE (b) FYLB (c) KDQG (d) JCPF
- 5.If CAT is written as TAC, how is GOLD written in the same code? (a) HPME (b) EMPH (c) DLOG (d) CKNF
- 6.If PARK is written as KZIP, how is FISH written in the same code? (a) URHS (b) TQGR (c) VSIT (d) GJTI
- 7.If FISH is written as GJTI, how is GOLD written in the same code? (a) FNKC (b) EMPH (c) HPME (d) IQNF
- 8.If LAMP is written as OZNK, how is NEST written in the same code? (a) MVHG (b) NWIH (c) LUGF (d) OFTU
- 9.If LION is written as MNHK, how is MOON written in the same code? (a) LNNM (b) NOOM (c) OPPN (d) MNNL
- 10.If MILK is written as PLON, how is CAT written in the same code? (a) FDW (b) ECV (c) ZXQ (d) GEX
- 11.If DRUM is written as NVSE, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) MHZQ (d) NIAR
- 12.If JUMP is written as QFNK, how is SHIP written in the same code? (a) GRQJ (b) TIJQ (c) ITSL (d) HSRK
- 13.If CAT is written as SZB, how is TREE written in the same code? (a) EERT (b) SQDD (c) DDQS (d) FFSU
- 14.If TOYS is written as RMWQ, how is DOG written in the same code? (a) FQI (b) ALD (c) CNF (d) BME
- 15.If MILK is written as NROP, how is SHIP written in the same code? (a) ITSL (b) GRQJ (c) HSRK (d) TIJQ
- 16.If LAMP is written as QNBM, how is SUN written in the same code? (a) NUS (b) MTR (c) OVT (d) TVO
- 17.If WIND is written as CMHV, how is RAIN written in the same code? (a) QZHM (b) OJBS (c) NIAR (d) MHZQ
- 18.If JUMP is written as HSKN, how is RAIN written in the same code? (a) TCKP (b) PYGL (c) QZHM (d) OXFK
- 19.If BOOK is written as ZMMI, how is LION written in the same code? (a) IFLK (b) KHNM (c) NKQP (d) JGML
- 20.If FISH is written as HSIF, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) MBNQ (d) PMAL
- 21.If STAR is written as RATS, how is SUN written in the same code? (a) NUS (b) MTR (c) OVT (d) TVO
- 22.If PEN is written as PGR, how is PARK written in the same code? (a) MTCR (b) RCTM (c) KRAP (d) IPYN
- 23.If BOOK is written as ANNJ, how is NEST written in the same code? (a) NEST (b) OFTU (c) LCQR (d) MDRS
- 24.If FISH is written as DGQF, how is DESK written in the same code? (a) FGUM (b) ABPH (c) BCQI (d) CDRJ
- 25.If FISH is written as HSIF, how is COLD written in the same code? (a) DLOC (b) DPME (c) CKNB (d) EMPD
- 26.If FISH is written as HKUJ, how is CAKE written in the same code? (a) ECMG (b) AYIC (c) DBLF (d) FDNH
- 27.If CAKE is written as DBLF, how is SHIP written in the same code? (a) QJIT (b) UJKR (c) TIJQ (d) RGHO
- 28.If JUMP is written as OLTI, how is BOOK written in the same code? (a) ANNJ (b) LPPC (c) KOOB (d) JNNA
- 29.If BALL is written as CBMM, how is HAND written in the same code? (a) JCPF (b) GZMC (c) IBOE (d) EOBI
- 30.If SHIP is written as OHGR, how is LION written in the same code? (a) KHNM (b) NOIL (c) OPJM (d) MNHK
- 31.If PARK is written as JQZO, how is SHIP written in the same code? (a) OHGR (b) PIHS (c) RGHO (d) QJIT
- 32.If DESK is written as MUGF, how is SHIP written in the same code? (a) RKJU (b) UJKR (c) NGFQ (d) PIHS
- 33.If WIND is written as DRMW, how is FISH written in the same code? (a) VSIT (b) GJTI (c) TQGR (d) URHS
- 34.If HAND is written as EOBI, how is MOON written in the same code? (a) MNNL (b) NPPO (c) NOOM (d) OPPN
- 35.If DOG is written as IQF, how is KITE written in the same code? (a) MKVG (b) CRGI (c) ETIK (d) GVKM
- 36.If NEST is written as MVHG, how is MOON written in the same code? (a) OMMN (b) NPPO (c) MKKL (d) NLLM
- 37.If SUN is written as NUS, how is MILK written in the same code? (a) JKHL (b) LMJN (c) KLIM (d) NJML
- 38.If DOG is written as IQF, how is LAMP written in the same code? (a) PMAL (b) ROCN (c) NKYJ (d) NCOR
- 39.If KITE is written as GVKM, how is DRUM written in the same code? (a) MURD (b) FTWO (c) KSPB (d) OWTF
- 40.If NEST is written as TSEN, how is DOG written in the same code? (a) EPH (b) FNC (c) HPE (d) GOD
Answer key
- XZPV
- ZYJJ
- NROP
- JCPF
- DLOG
- URHS
- HPME
- MVHG
- MNNL
- FDW
- OJBS
- HSRK
- DDQS
- BME
- HSRK
- OVT
- MHZQ
- PYGL
- JGML
- PMAL
- NUS
- MTCR
- MDRS
- BCQI
- DLOC
- ECMG
- TIJQ
- JNNA
- IBOE
- MNHK
- OHGR
- RKJU
- URHS
- OPPN
- GVKM
- NLLM
- KLIM
- ROCN
- OWTF
- GOD
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