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 DRUM is written as WIFN, how is DOG written in the same code? (a) VKS (b) WLT (c) XMU (d) EPH
- 2.If HAND is written as EOBI, how is SHIP written in the same code? (a) PIHS (b) QJIT (c) OHGR (d) TIJQ
- 3.If TREE is written as DDQS, how is GOLD written in the same code? (a) FNKC (b) DLOG (c) EMPH (d) CKNF
- 4.If LAMP is written as PMAL, how is MILK written in the same code? (a) KLIM (b) NJML (c) JKHL (d) LMJN
- 5.If COLD is written as EQNF, how is WIND written in the same code? (a) XJOE (b) UGLB (c) YKPF (d) ZLQG
- 6.If FROG is written as IURJ, how is SUN written in the same code? (a) UWP (b) VXQ (c) PRK (d) WYR
- 7.If RAIN is written as SBJO, how is TREE written in the same code? (a) FFSU (b) SQDD (c) USFF (d) VTGG
- 8.If MILK is written as KLIM, how is TOYS written in the same code? (a) UPZT (b) TZPU (c) SYOT (d) RXNS
- 9.If MOON is written as NLLM, how is MILK written in the same code? (a) MQNO (b) OSPQ (c) NJML (d) NROP
- 10.If SUN is written as HFM, how is SHIP written in the same code? (a) ITSL (b) TIJQ (c) GRQJ (d) HSRK
- 11.If FISH is written as HSIF, how is DRUM written in the same code? (a) NVSE (b) LTQC (c) ESVN (d) MURD
- 12.If SHIP is written as VKLS, how is DRUM written in the same code? (a) HVYQ (b) GUXP (c) FTWO (d) AORJ
- 13.If NEST is written as MDRS, how is SHIP written in the same code? (a) TIJQ (b) SHIP (c) RGHO (d) QFGN
- 14.If DOG is written as FNC, how is DESK written in the same code? (a) KSED (b) JRDC (c) LTFE (d) CDRJ
- 15.If BELL is written as DGNN, how is BOOK written in the same code? (a) ZMMI (b) CPPL (c) ERRN (d) DQQM
- 16.If BOAT is written as TAOB, how is DRUM written in the same code? (a) NVSE (b) MURD (c) ESVN (d) LTQC
- 17.If LION is written as MJPO, how is SHIP written in the same code? (a) UJKR (b) RGHO (c) TIJQ (d) QJIT
- 18.If PEN is written as OFQ, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) FUJL (d) ETIK
- 19.If TREE is written as GIVV, how is NEST written in the same code? (a) NWIH (b) OFTU (c) MVHG (d) LUGF
- 20.If RAIN is written as PKCT, how is DRUM written in the same code? (a) MURD (b) KSPB (c) FTWO (d) OWTF
- 21.If DRUM is written as MURD, how is FISH written in the same code? (a) GRHE (b) GJTI (c) ITJG (d) HSIF
- 22.If SUN is written as VXQ, how is RAIN written in the same code? (a) VEMR (b) TCKP (c) UDLQ (d) OXFK
- 23.If BOOK is written as YLLP, how is RAIN written in the same code? (a) JASN (b) IZRM (c) SBJO (d) HYQL
- 24.If COLD is written as EMPD, how is GOLD written in the same code? (a) HPME (b) CKNF (c) DLOG (d) EMPH
- 25.If MILK is written as NJML, how is DESK written in the same code? (a) FGUM (b) CDRJ (c) LTFE (d) EFTL
- 26.If GOLD is written as EMPH, how is RAIN written in the same code? (a) MHZQ (b) OJBS (c) NIAR (d) SBJO
- 27.If KITE is written as ETIK, how is STAR written in the same code? (a) TUBS (b) QZSR (c) RATS (d) SBUT
- 28.If TREE is written as DDQS, how is SUN written in the same code? (a) NUS (b) RTM (c) OVT (d) MTR
- 29.If NEST is written as UTFO, how is CAT written in the same code? (a) UBD (b) TAC (c) SZB (d) DBU
- 30.If MOON is written as OPPN, how is SUN written in the same code? (a) MTR (b) NUS (c) TVO (d) OVT
- 31.If COLD is written as XLOW, how is BOOK written in the same code? (a) ZMMQ (b) XKKO (c) YLLP (d) CPPL
- 32.If COLD is written as EQNF, how is CAT written in the same code? (a) ECV (b) AYR (c) DBU (d) FDW
- 33.If FISH is written as URHS, how is GOLD written in the same code? (a) UMPX (b) SKNV (c) TLOW (d) HPME
- 34.If CAKE is written as XZPV, how is TOYS written in the same code? (a) FKAG (b) UPZT (c) GLBH (d) HMCI
- 35.If FISH is written as ILVK, how is PEN written in the same code? (a) TIR (b) RGP (c) SHQ (d) MBK
- 36.If TREE is written as GIVV, how is BALL written in the same code? (a) ZAPP (b) XYNN (c) YZOO (d) CBMM
- 37.If FISH is written as ITJG, how is NEST written in the same code? (a) UTFO (b) SRDM (c) OFTU (d) TSEN
- 38.If SHIP is written as RGHO, how is CAKE written in the same code? (a) DBLF (b) AYIC (c) CAKE (d) BZJD
- 39.If FISH is written as GRHE, how is MOON written in the same code? (a) LNNM (b) NOOM (c) MNNL (d) OPPN
- 40.If CAKE is written as DJZB, how is PARK written in the same code? (a) KRAP (b) JQZO (c) OZQJ (d) LSBQ
Answer key
- WLT
- QJIT
- CKNF
- KLIM
- YKPF
- VXQ
- USFF
- SYOT
- NROP
- HSRK
- MURD
- GUXP
- RGHO
- JRDC
- DQQM
- MURD
- TIJQ
- FUJL
- MVHG
- OWTF
- HSIF
- UDLQ
- IZRM
- EMPH
- EFTL
- OJBS
- RATS
- MTR
- UBD
- OVT
- YLLP
- ECV
- TLOW
- GLBH
- SHQ
- YZOO
- UTFO
- BZJD
- MNNL
- JQZO
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