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 SHIP is written as HSRK, how is HAND written in the same code? (a) RYLV (b) SZMW (c) TANX (d) IBOE
- 2.If LAMP is written as MBNQ, how is BOAT written in the same code? (a) CPBU (b) UBPC (c) DQCV (d) ANZS
- 3.If BOOK is written as KOOB, how is DRUM written in the same code? (a) NVSE (b) LTQC (c) ESVN (d) MURD
- 4.If DESK is written as LTFE, how is KITE written in the same code? (a) ETIK (b) FUJL (c) LJUF (d) DSHJ
- 5.If DRUM is written as LTQC, how is FISH written in the same code? (a) ITJG (b) EHRG (c) GRHE (d) HSIF
- 6.If FROG is written as GORF, how is DESK written in the same code? (a) JRDC (b) EFTL (c) LTFE (d) KSED
- 7.If BOOK is written as DQQM, how is PEN written in the same code? (a) QFO (b) NCL (c) RGP (d) SHQ
- 8.If LION is written as ORLM, how is TREE written in the same code? (a) USFF (b) FHUU (c) HJWW (d) GIVV
- 9.If PEN is written as KVM, how is CAT written in the same code? (a) XZG (b) YAH (c) WYF (d) DBU
- 10.If NEST is written as QHVW, how is BOOK written in the same code? (a) DQQM (b) ERRN (c) FSSO (d) YLLH
- 11.If SHIP is written as VKLS, how is DESK written in the same code? (a) FGUM (b) ABPH (c) GHVN (d) HIWO
- 12.If SUN is written as NUS, how is FISH written in the same code? (a) GJTI (b) HSIF (c) GRHE (d) ITJG
- 13.If CAT is written as XZG, how is HAND written in the same code? (a) SZMW (b) TANX (c) IBOE (d) RYLV
- 14.If WIND is written as VHMC, how is PARK written in the same code? (a) PARK (b) OZQJ (c) NYPI (d) QBSL
- 15.If RAIN is written as NIAR, how is DOG written in the same code? (a) HPE (b) FNC (c) EPH (d) GOD
- 16.If PARK is written as KRAP, how is FROG written in the same code? (a) FNQE (b) HPSG (c) GORF (d) GSPH
- 17.If FROG is written as GSPH, how is DESK written in the same code? (a) FGUM (b) LTFE (c) CDRJ (d) EFTL
- 18.If FROG is written as FNQE, how is PARK written in the same code? (a) OZQJ (b) JQZO (c) KRAP (d) LSBQ
- 19.If DOG is written as FNC, how is SUN written in the same code? (a) MTR (b) OVT (c) RTM (d) NUS
- 20.If BOAT is written as ERDW, how is FROG written in the same code? (a) HTQI (b) COLD (c) IURJ (d) JVSK
- 21.If BELL is written as KKDA, how is CAT written in the same code? (a) UBD (b) SZB (c) BZS (d) TAC
- 22.If COLD is written as FNQE, how is BOAT written in the same code? (a) DQCV (b) RYMZ (c) TAOB (d) VCQD
- 23.If WIND is written as DNIW, how is SHIP written in the same code? (a) TIJQ (b) OHGR (c) QJIT (d) PIHS
- 24.If KITE is written as ETIK, how is BOAT written in the same code? (a) TAOB (b) SZNA (c) CPBU (d) UBPC
- 25.If CAT is written as FDW, how is CAKE written in the same code? (a) GEOI (b) FDNH (c) ECMG (d) ZXHB
- 26.If CAT is written as DBU, how is BELL written in the same code? (a) MMFC (b) DGNN (c) ADKK (d) CFMM
- 27.If CAKE is written as XZPV, how is MILK written in the same code? (a) MQNO (b) NROP (c) OSPQ (d) NJML
- 28.If COLD is written as XLOW, how is STAR written in the same code? (a) GFYH (b) TUBS (c) IHAJ (d) HGZI
- 29.If RAIN is written as SBJO, how is TREE written in the same code? (a) SQDD (b) FFSU (c) USFF (d) VTGG
- 30.If GOLD is written as DLOG, how is LAMP written in the same code? (a) MBNQ (b) QNBM (c) OLZK (d) PMAL
- 31.If PEN is written as PGR, how is BOAT written in the same code? (a) TAOB (b) DQCV (c) RYMZ (d) VCQD
- 32.If GOLD is written as FNKC, how is HAND written in the same code? (a) IBOE (b) FYLB (c) HAND (d) GZMC
- 33.If LION is written as JGML, how is TOYS written in the same code? (a) QLVP (b) VQAU (c) SNXR (d) RMWQ
- 34.If GOLD is written as TLOW, how is DRUM written in the same code? (a) VHEM (b) ESVN (c) WIFN (d) XJGO
- 35.If FISH is written as HSIF, how is HAND written in the same code? (a) IBOE (b) EOBI (c) CMZG (d) DNAH
- 36.If RAIN is written as IZRM, how is LAMP written in the same code? (a) PAOL (b) OZNK (c) MBNQ (d) NYMJ
- 37.If STAR is written as HGZI, how is NEST written in the same code? (a) LUGF (b) MVHG (c) NWIH (d) OFTU
- 38.If DESK is written as FGUM, how is RAIN written in the same code? (a) TCKP (b) PYGL (c) SBJO (d) UDLQ
- 39.If HAND is written as DNAH, how is FROG written in the same code? (a) GORF (b) HPSG (c) GSPH (d) FNQE
- 40.If BELL is written as EHOO, how is SHIP written in the same code? (a) PEFM (b) UJKR (c) WLMT (d) VKLS
Answer key
- SZMW
- CPBU
- MURD
- FUJL
- GRHE
- KSED
- RGP
- GIVV
- XZG
- ERRN
- GHVN
- HSIF
- SZMW
- OZQJ
- GOD
- GORF
- EFTL
- JQZO
- MTR
- IURJ
- SZB
- VCQD
- PIHS
- TAOB
- FDNH
- CFMM
- NROP
- HGZI
- USFF
- PMAL
- VCQD
- GZMC
- RMWQ
- WIFN
- DNAH
- OZNK
- MVHG
- TCKP
- GORF
- VKLS
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