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 TOYS is written as GLBH, how is KITE written in the same code? (a) OQFU (b) PRGV (c) LJUF (d) QSHW
- 2.If BOAT is written as ERDW, how is MOON written in the same code? (a) OQQP (b) JLLK (c) QSSR (d) PRRQ
- 3.If HAND is written as DNAH, how is KITE written in the same code? (a) FUJL (b) LJUF (c) ETIK (d) DSHJ
- 4.If FISH is written as URHS, how is SUN written in the same code? (a) IGN (b) HFM (c) TVO (d) GEL
- 5.If CAKE is written as EKAC, how is FISH written in the same code? (a) GRHE (b) HSIF (c) GJTI (d) ITJG
- 6.If WIND is written as DNIW, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) MHZQ (d) NIAR
- 7.If PARK is written as RCTM, how is DESK written in the same code? (a) GHVN (b) EFTL (c) FGUM (d) BCQI
- 8.If BOOK is written as ANNJ, how is BALL written in the same code? (a) ZYJJ (b) CBMM (c) AZKK (d) BALL
- 9.If CAT is written as AYR, how is TOYS written in the same code? (a) VQAU (b) SNXR (c) QLVP (d) RMWQ
- 10.If BOAT is written as YLZG, how is CAT written in the same code? (a) DBU (b) WYF (c) XZG (d) YAH
- 11.If PEN is written as SHQ, how is SUN written in the same code? (a) VXQ (b) PRK (c) UWP (d) WYR
- 12.If GOLD is written as CKNF, how is SHIP written in the same code? (a) OHGR (b) QJIT (c) RGHO (d) PIHS
- 13.If GOLD is written as JROG, how is SHIP written in the same code? (a) UJKR (b) PEFM (c) WLMT (d) VKLS
- 14.If BALL is written as ZYJJ, how is MOON written in the same code? (a) JLLK (b) OQQP (c) KMML (d) LNNM
- 15.If STAR is written as SBUT, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) KVNQ (d) PMUJ
- 16.If FISH is written as HKUJ, how is DESK written in the same code? (a) GHVN (b) EFTL (c) BCQI (d) FGUM
- 17.If TREE is written as EERT, how is LAMP written in the same code? (a) OLZK (b) MBNQ (c) PMAL (d) QNBM
- 18.If MOON is written as KMML, how is BOOK written in the same code? (a) ANNJ (b) YLLH (c) DQQM (d) ZMMI
- 19.If FROG is written as DPME, how is GOLD written in the same code? (a) FNKC (b) DLIA (c) IQNF (d) EMJB
- 20.If TOYS is written as SNXR, how is FISH written in the same code? (a) GJTI (b) EHRG (c) DGQF (d) FISH
- 21.If JUMP is written as LWOR, how is CAKE written in the same code? (a) FDNH (b) ECMG (c) AYIC (d) DBLF
- 22.If DRUM is written as OWTF, how is DESK written in the same code? (a) IQCB (b) FGUM (c) KSED (d) MUGF
- 23.If SUN is written as NUS, how is DESK written in the same code? (a) LTFE (b) EFTL (c) JRDC (d) KSED
- 24.If MILK is written as NROP, how is CAT written in the same code? (a) WYF (b) XZG (c) YAH (d) DBU
- 25.If JUMP is written as PMUJ, how is MOON written in the same code? (a) MNNL (b) NOOM (c) NPPO (d) OPPN
- 26.If NEST is written as VUGP, how is CAT written in the same code? (a) VCE (b) TAC (c) RYA (d) ECV
- 27.If BALL is written as AZKK, how is BELL written in the same code? (a) BELL (b) CFMM (c) ZCJJ (d) ADKK
- 28.If RAIN is written as SBJO, how is TOYS written in the same code? (a) SNXR (b) TZPU (c) VQAU (d) UPZT
- 29.If LION is written as ORLM, how is BOAT written in the same code? (a) CPBU (b) YLZG (c) XKYF (d) ZMAH
- 30.If TREE is written as EERT, how is CAT written in the same code? (a) UBD (b) TAC (c) DBU (d) SZB
- 31.If WIND is written as DRMW, how is MOON written in the same code? (a) MKKL (b) OMMN (c) NPPO (d) NLLM
- 32.If SUN is written as PWU, how is WIND written in the same code? (a) BLGU (b) DNIW (c) FPKY (d) YKPF
- 33.If FISH is written as JUKH, how is KITE written in the same code? (a) GVKM (b) CRGI (c) MKVG (d) ETIK
- 34.If STAR is written as TCVU, how is MILK written in the same code? (a) MNKO (b) IJGK (c) KLIM (d) OKNM
- 35.If PARK is written as KRAP, how is LION written in the same code? (a) MJPO (b) NOIL (c) OPJM (d) MNHK
- 36.If STAR is written as RATS, how is KITE written in the same code? (a) FUJL (b) DSHJ (c) LJUF (d) ETIK
- 37.If DESK is written as LTFE, how is LAMP written in the same code? (a) MBNQ (b) PMAL (c) QNBM (d) OLZK
- 38.If HAND is written as DNAH, how is GOLD written in the same code? (a) CKNF (b) HPME (c) DLOG (d) EMPH
- 39.If DOG is written as GOD, how is DRUM written in the same code? (a) NVSE (b) LTQC (c) MURD (d) ESVN
- 40.If COLD is written as DLOC, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) DLOG (d) HPME
Answer key
- PRGV
- PRRQ
- ETIK
- HFM
- HSIF
- NIAR
- FGUM
- AZKK
- RMWQ
- XZG
- VXQ
- OHGR
- VKLS
- KMML
- QNVK
- FGUM
- PMAL
- ZMMI
- EMJB
- EHRG
- ECMG
- MUGF
- KSED
- XZG
- NOOM
- VCE
- ADKK
- UPZT
- YLZG
- TAC
- NLLM
- FPKY
- GVKM
- MNKO
- NOIL
- ETIK
- QNBM
- DLOG
- MURD
- DLOG
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