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 HAND is written as KDQG, how is BOAT written in the same code? (a) YLXQ (b) DQCV (c) FSEX (d) ERDW
- 2.If MOON is written as NLLM, how is BOOK written in the same code? (a) CPPL (b) XKKO (c) YLLP (d) ZMMQ
- 3.If MILK is written as NROP, how is LAMP written in the same code? (a) NYMJ (b) OZNK (c) PAOL (d) MBNQ
- 4.If CAKE is written as EKAC, how is FROG written in the same code? (a) GSPH (b) FNQE (c) GORF (d) HPSG
- 5.If SUN is written as PWU, how is DESK written in the same code? (a) FGUM (b) MUGF (c) IQCB (d) KSED
- 6.If COLD is written as XLOW, how is TOYS written in the same code? (a) GLBH (b) UPZT (c) FKAG (d) HMCI
- 7.If FISH is written as HSIF, how is TREE written in the same code? (a) FFSU (b) DDQS (c) EERT (d) USFF
- 8.If JUMP is written as QNVK, how is LAMP written in the same code? (a) OLZK (b) PMAL (c) MBNQ (d) QNBM
- 9.If MOON is written as NOOM, how is TREE written in the same code? (a) FFSU (b) USFF (c) DDQS (d) EERT
- 10.If CAT is written as BZS, how is FISH written in the same code? (a) EHRG (b) FISH (c) DGQF (d) GJTI
- 11.If NEST is written as UTFO, how is CAKE written in the same code? (a) DJZB (b) FLBD (c) DBLF (d) EKAC
- 12.If HAND is written as FYLB, how is GOLD written in the same code? (a) FNKC (b) IQNF (c) DLIA (d) EMJB
- 13.If KITE is written as ETIK, how is FROG written in the same code? (a) HPSG (b) GSPH (c) FNQE (d) GORF
- 14.If GOLD is written as FNQI, how is BALL written in the same code? (a) LLAB (b) DCNN (c) JJYZ (d) NNCD
- 15.If LION is written as MNHK, how is CAKE written in the same code? (a) FLBD (b) EKAC (c) BZJD (d) DJZB
- 16.If PARK is written as MTCR, how is BELL written in the same code? (a) LLEB (b) JJCZ (c) DGNN (d) NNGD
- 17.If MOON is written as OPPN, how is SUN written in the same code? (a) NUS (b) TVO (c) OVT (d) MTR
- 18.If BELL is written as LLEB, how is WIND written in the same code? (a) CMHV (b) XJOE (c) DNIW (d) EOJX
- 19.If GOLD is written as DLOG, how is CAT written in the same code? (a) DBU (b) SZB (c) UBD (d) TAC
- 20.If DESK is written as LTFE, how is RAIN written in the same code? (a) SBJO (b) NIAR (c) OJBS (d) MHZQ
- 21.If STAR is written as HGZI, how is TOYS written in the same code? (a) GLBH (b) UPZT (c) HMCI (d) FKAG
- 22.If SUN is written as QSL, how is COLD written in the same code? (a) BNKC (b) EQNF (c) ZLIA (d) AMJB
- 23.If CAT is written as XZG, how is BALL written in the same code? (a) XYNN (b) ZAPP (c) CBMM (d) YZOO
- 24.If BELL is written as YVOO, how is GOLD written in the same code? (a) TLOW (b) HPME (c) UMPX (d) SKNV
- 25.If LAMP is written as QNBM, how is SUN written in the same code? (a) TVO (b) OVT (c) NUS (d) MTR
- 26.If SUN is written as OVT, how is PARK written in the same code? (a) JQZO (b) LSBQ (c) KRAP (d) QBSL
- 27.If SHIP is written as QJIT, how is BALL written in the same code? (a) MMBC (b) KKZA (c) CBMM (d) LLAB
- 28.If COLD is written as DLOC, how is DRUM written in the same code? (a) ESVN (b) LTQC (c) MURD (d) NVSE
- 29.If TREE is written as VTGG, how is FISH written in the same code? (a) ILVK (b) DGQF (c) HKUJ (d) GJTI
- 30.If MILK is written as NROP, how is DESK written in the same code? (a) VUGO (b) EFTL (c) XWIQ (d) WVHP
- 31.If DRUM is written as BPSK, how is CAKE written in the same code? (a) AYIC (b) BZJD (c) ZXHB (d) ECMG
- 32.If BALL is written as ZYJJ, how is SUN written in the same code? (a) PRK (b) RTM (c) QSL (d) UWP
- 33.If RAIN is written as IZRM, how is CAT written in the same code? (a) XZG (b) WYF (c) DBU (d) YAH
- 34.If CAT is written as UBD, how is CAKE written in the same code? (a) DJZB (b) FLBD (c) DBLF (d) EKAC
- 35.If NEST is written as TSEN, how is TOYS written in the same code? (a) RXNS (b) UPZT (c) SYOT (d) TZPU
- 36.If SHIP is written as PIHS, how is FISH written in the same code? (a) GJTI (b) HSIF (c) GRHE (d) ITJG
- 37.If BALL is written as AZKK, how is FISH written in the same code? (a) DGQF (b) EHRG (c) FISH (d) GJTI
- 38.If WIND is written as DRMW, how is LION written in the same code? (a) PSMN (b) NQKL (c) ORLM (d) MJPO
- 39.If PEN is written as PGR, how is KITE written in the same code? (a) CRGI (b) MKVG (c) ETIK (d) GVKM
- 40.If WIND is written as DNIW, how is MILK written in the same code? (a) NJML (b) JKHL (c) KLIM (d) LMJN
Answer key
- ERDW
- YLLP
- OZNK
- GORF
- MUGF
- GLBH
- EERT
- QNBM
- EERT
- EHRG
- FLBD
- EMJB
- GORF
- NNCD
- DJZB
- NNGD
- OVT
- DNIW
- TAC
- OJBS
- GLBH
- AMJB
- YZOO
- TLOW
- OVT
- LSBQ
- MMBC
- MURD
- HKUJ
- WVHP
- AYIC
- QSL
- XZG
- FLBD
- SYOT
- HSIF
- EHRG
- ORLM
- GVKM
- KLIM
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