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 PARK is written as NYPI, how is HAND written in the same code? (a) JCPF (b) GZMC (c) FYLB (d) EXKA
- 2.If PEN is written as KVM, how is CAT written in the same code? (a) XZG (b) DBU (c) YAH (d) WYF
- 3.If BOAT is written as VCQD, how is MOON written in the same code? (a) OQQP (b) LMMK (c) NOOM (d) PQQO
- 4.If FISH is written as HSIF, how is CAT written in the same code? (a) UBD (b) DBU (c) SZB (d) TAC
- 5.If PEN is written as NEP, how is FROG written in the same code? (a) GORF (b) FNQE (c) HPSG (d) GSPH
- 6.If MOON is written as NLLM, how is SUN written in the same code? (a) HFM (b) GEL (c) IGN (d) TVO
- 7.If RAIN is written as NIAR, how is BELL written in the same code? (a) LLEB (b) MMFC (c) KKDA (d) CFMM
- 8.If SHIP is written as VKLS, how is FISH written in the same code? (a) ILVK (b) CFPE (c) HKUJ (d) JMWL
- 9.If BOAT is written as TAOB, how is SUN written in the same code? (a) TVO (b) MTR (c) NUS (d) OVT
- 10.If COLD is written as XLOW, how is LAMP written in the same code? (a) MBNQ (b) NYMJ (c) OZNK (d) PAOL
- 11.If FROG is written as GORF, how is TREE written in the same code? (a) FFSU (b) DDQS (c) USFF (d) EERT
- 12.If SUN is written as NUS, how is JUMP written in the same code? (a) KVNQ (b) QNVK (c) OLTI (d) PMUJ
- 13.If FROG is written as IURJ, how is CAKE written in the same code? (a) GEOI (b) ZXHB (c) ECMG (d) FDNH
- 14.If COLD is written as XLOW, how is MOON written in the same code? (a) NPPO (b) MKKL (c) OMMN (d) NLLM
- 15.If SUN is written as PWU, how is MILK written in the same code? (a) MNKO (b) OKNM (c) IJGK (d) KLIM
- 16.If DOG is written as GOD, how is WIND written in the same code? (a) CMHV (b) DNIW (c) XJOE (d) EOJX
- 17.If TOYS is written as GLBH, how is WIND written in the same code? (a) ESNX (b) CQLV (c) XJOE (d) DRMW
- 18.If RAIN is written as QZHM, how is MILK written in the same code? (a) KGJI (b) MILK (c) NJML (d) LHKJ
- 19.If COLD is written as DPME, how is GOLD written in the same code? (a) FNKC (b) IQNF (c) EMPH (d) HPME
- 20.If KITE is written as DSHJ, how is MILK written in the same code? (a) LMJN (b) KLIM (c) JKHL (d) LHKJ
- 21.If SHIP is written as HSRK, how is JUMP written in the same code? (a) QFNK (b) RGOL (c) KVNQ (d) PEMJ
- 22.If FROG is written as GORF, how is LION written in the same code? (a) MJPO (b) NOIL (c) OPJM (d) MNHK
- 23.If KITE is written as DSHJ, how is HAND written in the same code? (a) GZMC (b) EOBI (c) CMZG (d) DNAH
- 24.If SHIP is written as HSRK, how is MOON written in the same code? (a) NLLM (b) MKKL (c) NPPO (d) OMMN
- 25.If MILK is written as MNKO, how is FISH written in the same code? (a) JUKH (b) HSIF (c) FQGD (d) HKUJ
- 26.If BOOK is written as LPPC, how is BALL written in the same code? (a) CBMM (b) KKZA (c) MMBC (d) LLAB
- 27.If TOYS is written as SYOT, how is KITE written in the same code? (a) ETIK (b) FUJL (c) DSHJ (d) LJUF
- 28.If BOAT is written as ZMYR, how is PARK written in the same code? (a) RCTM (b) MXOH (c) OZQJ (d) NYPI
- 29.If BOAT is written as ERDW, how is MILK written in the same code? (a) PLON (b) QMPO (c) OKNM (d) JFIH
- 30.If FROG is written as EQNF, how is PARK written in the same code? (a) OZQJ (b) QBSL (c) PARK (d) NYPI
- 31.If WIND is written as DRMW, how is TOYS written in the same code? (a) GLBH (b) FKAG (c) HMCI (d) UPZT
- 32.If NEST is written as VUGP, how is CAKE written in the same code? (a) ECMG (b) CIYA (c) GMCE (d) EKAC
- 33.If SUN is written as NUS, how is MOON written in the same code? (a) NPPO (b) OPPN (c) NOOM (d) MNNL
- 34.If BOAT is written as CPBU, how is GOLD written in the same code? (a) IQNF (b) HPME (c) FNKC (d) EMPH
- 35.If TREE is written as EERT, how is FISH written in the same code? (a) GRHE (b) GJTI (c) HSIF (d) ITJG
- 36.If CAKE is written as DBLF, how is FROG written in the same code? (a) GSPH (b) HPSG (c) HTQI (d) EQNF
- 37.If RAIN is written as MHZQ, how is PEN written in the same code? (a) OFQ (b) ODM (c) MDO (d) NEP
- 38.If SUN is written as NUS, how is PEN written in the same code? (a) OFQ (b) QFO (c) NEP (d) MDO
- 39.If CAT is written as FDW, how is KITE written in the same code? (a) NLWH (b) HFQB (c) MKVG (d) OMXI
- 40.If DESK is written as KSED, how is COLD written in the same code? (a) CKNB (b) DPME (c) DLOC (d) EMPD
Answer key
- FYLB
- XZG
- PQQO
- TAC
- GORF
- HFM
- LLEB
- ILVK
- NUS
- OZNK
- EERT
- PMUJ
- FDNH
- NLLM
- MNKO
- DNIW
- DRMW
- LHKJ
- HPME
- JKHL
- QFNK
- NOIL
- CMZG
- NLLM
- JUKH
- MMBC
- ETIK
- NYPI
- PLON
- OZQJ
- GLBH
- GMCE
- NOOM
- HPME
- HSIF
- GSPH
- MDO
- NEP
- NLWH
- DLOC
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