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 GOLD is written as JROG, how is LAMP written in the same code? (a) IXJM (b) PEQT (c) NCOR (d) ODPS
- 2.If TOYS is written as GLBH, how is HAND written in the same code? (a) SZMW (b) TANX (c) RYLV (d) IBOE
- 3.If SHIP is written as TIJQ, how is DOG written in the same code? (a) HPE (b) CNF (c) FQI (d) EPH
- 4.If PEN is written as QFO, how is BELL written in the same code? (a) DGNN (b) CFMM (c) ADKK (d) MMFC
- 5.If HAND is written as DNAH, how is SHIP written in the same code? (a) TIJQ (b) QJIT (c) OHGR (d) PIHS
- 6.If PARK is written as KRAP, how is MILK written in the same code? (a) LMJN (b) NJML (c) KLIM (d) JKHL
- 7.If JUMP is written as PMUJ, how is DOG written in the same code? (a) EPH (b) HPE (c) GOD (d) FNC
- 8.If SHIP is written as QFGN, how is BOOK written in the same code? (a) YLLH (b) ANNJ (c) ZMMI (d) DQQM
- 9.If CAKE is written as DBLF, how is BOAT written in the same code? (a) ANZS (b) CPBU (c) DQCV (d) UBPC
- 10.If DRUM is written as MURD, how is SHIP written in the same code? (a) TIJQ (b) OHGR (c) QJIT (d) PIHS
- 11.If LION is written as KHNM, how is PARK written in the same code? (a) QBSL (b) PARK (c) OZQJ (d) NYPI
- 12.If TOYS is written as RMWQ, how is DESK written in the same code? (a) CDRJ (b) FGUM (c) BCQI (d) ABPH
- 13.If BOAT is written as TAOB, how is BELL written in the same code? (a) LLEB (b) CFMM (c) KKDA (d) MMFC
- 14.If STAR is written as TCVU, how is SUN written in the same code? (a) NUS (b) LSQ (c) PWU (d) UWP
- 15.If WIND is written as DRMW, how is STAR written in the same code? (a) GFYH (b) IHAJ (c) TUBS (d) HGZI
- 16.If PEN is written as PGR, how is HAND written in the same code? (a) DNAH (b) JCPF (c) BLYF (d) FPCJ
- 17.If BELL is written as NNGD, how is PARK written in the same code? (a) RCTM (b) KRAP (c) MTCR (d) IPYN
- 18.If CAKE is written as DBLF, how is NEST written in the same code? (a) UTFO (b) MDRS (c) PGUV (d) OFTU
- 19.If BALL is written as LLAB, how is FISH written in the same code? (a) ITJG (b) HSIF (c) GJTI (d) GRHE
- 20.If DOG is written as GOD, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) TIJQ (d) PIHS
- 21.If TOYS is written as RXNS, how is CAKE written in the same code? (a) DJZB (b) BZJD (c) EKAC (d) FLBD
- 22.If FROG is written as IURJ, how is TOYS written in the same code? (a) VQAU (b) WRBV (c) XSCW (d) QLVP
- 23.If PEN is written as KVM, how is MOON written in the same code? (a) MKKL (b) NLLM (c) OMMN (d) NPPO
- 24.If GOLD is written as FNQI, how is SUN written in the same code? (a) UWP (b) PWU (c) NUS (d) LSQ
- 25.If PARK is written as KZIP, how is GOLD written in the same code? (a) SKNV (b) TLOW (c) UMPX (d) HPME
- 26.If FROG is written as GSPH, how is BALL written in the same code? (a) DCNN (b) AZKK (c) CBMM (d) MMBC
- 27.If BELL is written as YVOO, how is SUN written in the same code? (a) HFM (b) GEL (c) TVO (d) IGN
- 28.If SUN is written as NUS, how is PEN written in the same code? (a) MDO (b) QFO (c) NEP (d) OFQ
- 29.If CAKE is written as ECMG, how is MILK written in the same code? (a) NJML (b) KGJI (c) OKNM (d) PLON
- 30.If BALL is written as YZOO, how is LION written in the same code? (a) ORLM (b) NQKL (c) MJPO (d) PSMN
- 31.If PEN is written as RGP, how is MILK written in the same code? (a) NJML (b) KGJI (c) OKNM (d) PLON
- 32.If JUMP is written as OLTI, how is TREE written in the same code? (a) SQDD (b) DDQS (c) EERT (d) FFSU
- 33.If FROG is written as UILT, how is STAR written in the same code? (a) HGZI (b) IHAJ (c) TUBS (d) GFYH
- 34.If BELL is written as LLEB, how is TREE written in the same code? (a) EERT (b) FFSU (c) USFF (d) DDQS
- 35.If SUN is written as NUS, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) KVNQ (d) PMUJ
- 36.If FISH is written as HSIF, how is JUMP written in the same code? (a) KVNQ (b) OLTI (c) QNVK (d) PMUJ
- 37.If DOG is written as WLT, how is DRUM written in the same code? (a) WIFN (b) VHEM (c) XJGO (d) ESVN
- 38.If FROG is written as FNQE, how is BELL written in the same code? (a) ADKK (b) LLEB (c) KKDA (d) MMFC
- 39.If LAMP is written as OZNK, how is BALL written in the same code? (a) ZAPP (b) XYNN (c) YZOO (d) CBMM
- 40.If TREE is written as FFSU, how is RAIN written in the same code? (a) MHZQ (b) NIAR (c) OJBS (d) SBJO
Answer key
- ODPS
- SZMW
- EPH
- CFMM
- PIHS
- KLIM
- GOD
- ZMMI
- CPBU
- PIHS
- OZQJ
- BCQI
- LLEB
- PWU
- HGZI
- FPCJ
- MTCR
- OFTU
- HSIF
- PIHS
- DJZB
- WRBV
- NLLM
- PWU
- TLOW
- CBMM
- HFM
- NEP
- OKNM
- ORLM
- OKNM
- DDQS
- HGZI
- EERT
- PMUJ
- PMUJ
- WIFN
- KKDA
- YZOO
- OJBS
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