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 JUMP is written as QFNK, how is PARK written in the same code? (a) QBSL (b) KZIP (c) JYHO (d) LAJQ
- 2.If DOG is written as EPH, how is FISH written in the same code? (a) GJTI (b) EHRG (c) HKUJ (d) ITJG
- 3.If DRUM is written as MURD, how is KITE written in the same code? (a) FUJL (b) LJUF (c) DSHJ (d) ETIK
- 4.If DOG is written as WLT, how is PEN written in the same code? (a) JUL (b) LWN (c) QFO (d) KVM
- 5.If FROG is written as GORF, how is KITE written in the same code? (a) LJUF (b) ETIK (c) DSHJ (d) FUJL
- 6.If WIND is written as CMHV, how is PEN written in the same code? (a) MDO (b) NEP (c) ODM (d) OFQ
- 7.If NEST is written as VUGP, how is WIND written in the same code? (a) DNIW (b) YKPF (c) FPKY (d) BLGU
- 8.If SUN is written as UWP, how is RAIN written in the same code? (a) PYGL (b) TCKP (c) UDLQ (d) SBJO
- 9.If COLD is written as XLOW, how is TREE written in the same code? (a) GIVV (b) USFF (c) HJWW (d) FHUU
- 10.If SHIP is written as TIJQ, how is LION written in the same code? (a) NKQP (b) MJPO (c) OPJM (d) KHNM
- 11.If JUMP is written as QFNK, how is STAR written in the same code? (a) HGZI (b) IHAJ (c) GFYH (d) TUBS
- 12.If TREE is written as DDQS, how is NEST written in the same code? (a) MDRS (b) TSEN (c) UTFO (d) SRDM
- 13.If STAR is written as TUBS, how is MOON written in the same code? (a) OPPN (b) LNNM (c) NPPO (d) OQQP
- 14.If TOYS is written as SYOT, how is LAMP written in the same code? (a) OLZK (b) MBNQ (c) PMAL (d) QNBM
- 15.If FISH is written as HSIF, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) TIJQ (d) PIHS
- 16.If NEST is written as VUGP, how is DRUM written in the same code? (a) KSPB (b) MURD (c) FTWO (d) OWTF
- 17.If LAMP is written as ODPS, how is HAND written in the same code? (a) LERH (b) KDQG (c) JCPF (d) EXKA
- 18.If CAT is written as FDW, how is MILK written in the same code? (a) JFIH (b) QMPO (c) PLON (d) OKNM
- 19.If DOG is written as GOD, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) DLOG (d) HPME
- 20.If BOOK is written as YLLP, how is TOYS written in the same code? (a) UPZT (b) HMCI (c) FKAG (d) GLBH
- 21.If FISH is written as HKUJ, how is CAKE written in the same code? (a) FDNH (b) AYIC (c) DBLF (d) ECMG
- 22.If TOYS is written as GLBH, how is PEN written in the same code? (a) QFO (b) JUL (c) LWN (d) KVM
- 23.If RAIN is written as NIAR, how is BOAT written in the same code? (a) SZNA (b) UBPC (c) TAOB (d) CPBU
- 24.If TREE is written as GGTV, how is GOLD written in the same code? (a) BJME (b) IQNF (c) FNQI (d) DLOG
- 25.If FROG is written as EQNF, how is LION written in the same code? (a) JGML (b) KHNM (c) MJPO (d) LION
- 26.If SUN is written as NUS, how is STAR written in the same code? (a) QZSR (b) SBUT (c) TUBS (d) RATS
- 27.If PEN is written as ODM, how is MILK written in the same code? (a) MILK (b) NJML (c) LHKJ (d) KGJI
- 28.If WIND is written as VHMC, how is NEST written in the same code? (a) OFTU (b) LCQR (c) MDRS (d) NEST
- 29.If BALL is written as AZKK, how is WIND written in the same code? (a) XJOE (b) WIND (c) UGLB (d) VHMC
- 30.If DRUM is written as NVSE, how is FISH written in the same code? (a) GJTI (b) GRHE (c) HSIF (d) ITJG
- 31.If MILK is written as LMJN, how is DRUM written in the same code? (a) MURD (b) LTQC (c) NVSE (d) ESVN
- 32.If PEN is written as RGP, how is MOON written in the same code? (a) KMML (b) OQQP (c) PRRQ (d) NPPO
- 33.If DESK is written as FGUM, how is STAR written in the same code? (a) VWDU (b) QRYP (c) TUBS (d) UVCT
- 34.If NEST is written as MVHG, how is TREE written in the same code? (a) GIVV (b) FHUU (c) USFF (d) HJWW
- 35.If BOAT is written as TAOB, how is MOON written in the same code? (a) OPPN (b) NOOM (c) NPPO (d) MNNL
- 36.If DRUM is written as ESVN, how is DESK written in the same code? (a) EFTL (b) CDRJ (c) FGUM (d) LTFE
- 37.If TREE is written as FFSU, how is LION written in the same code? (a) MNHK (b) MJPO (c) NOIL (d) OPJM
- 38.If RAIN is written as IZRM, how is BOOK written in the same code? (a) YLLP (b) CPPL (c) ZMMQ (d) XKKO
- 39.If WIND is written as DNIW, how is HAND written in the same code? (a) DNAH (b) EOBI (c) IBOE (d) CMZG
- 40.If WIND is written as DRMW, how is DRUM written in the same code? (a) ESVN (b) VHEM (c) WIFN (d) XJGO
Answer key
- KZIP
- GJTI
- ETIK
- KVM
- ETIK
- MDO
- FPKY
- TCKP
- GIVV
- MJPO
- HGZI
- SRDM
- NPPO
- PMAL
- PIHS
- OWTF
- KDQG
- PLON
- DLOG
- GLBH
- ECMG
- KVM
- TAOB
- FNQI
- KHNM
- RATS
- LHKJ
- MDRS
- VHMC
- ITJG
- NVSE
- OQQP
- UVCT
- GIVV
- NOOM
- EFTL
- OPJM
- YLLP
- DNAH
- WIFN
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