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 FROG is written as UILT, how is DESK written in the same code? (a) XWIQ (b) WVHP (c) EFTL (d) VUGO
- 2.If FISH is written as GJTI, how is LION written in the same code? (a) OPJM (b) NKQP (c) KHNM (d) MJPO
- 3.If TREE is written as GIVV, how is JUMP written in the same code? (a) KVNQ (b) RGOL (c) PEMJ (d) QFNK
- 4.If PARK is written as MTCR, how is NEST written in the same code? (a) VUGP (b) RQCL (c) PGUV (d) TSEN
- 5.If BOAT is written as DQCV, how is STAR written in the same code? (a) TUBS (b) VWDU (c) QRYP (d) UVCT
- 6.If GOLD is written as DLOG, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) TIJQ (d) PIHS
- 7.If PARK is written as NYPI, how is MILK written in the same code? (a) LHKJ (b) JFIH (c) OKNM (d) KGJI
- 8.If WIND is written as DRMW, how is HAND written in the same code? (a) IBOE (b) SZMW (c) RYLV (d) TANX
- 9.If BALL is written as MMBC, how is SHIP written in the same code? (a) TIJQ (b) PIHS (c) OHGR (d) QJIT
- 10.If DRUM is written as ESVN, how is BELL written in the same code? (a) ADKK (b) DGNN (c) MMFC (d) CFMM
- 11.If BOAT is written as VCQD, how is DRUM written in the same code? (a) FTWO (b) OWTF (c) MURD (d) KSPB
- 12.If SHIP is written as QFGN, how is PARK written in the same code? (a) OZQJ (b) NYPI (c) MXOH (d) RCTM
- 13.If BELL is written as LLEB, how is RAIN written in the same code? (a) OJBS (b) MHZQ (c) SBJO (d) NIAR
- 14.If DOG is written as GRJ, how is MOON written in the same code? (a) OQQP (b) QSSR (c) PRRQ (d) JLLK
- 15.If SHIP is written as PIHS, how is LION written in the same code? (a) OPJM (b) MNHK (c) NOIL (d) MJPO
- 16.If FISH is written as ILVK, how is GOLD written in the same code? (a) JROG (b) IQNF (c) DLIA (d) KSPH
- 17.If DOG is written as GOD, how is DRUM written in the same code? (a) ESVN (b) MURD (c) LTQC (d) NVSE
- 18.If KITE is written as PRGV, how is PARK written in the same code? (a) JYHO (b) LAJQ (c) QBSL (d) KZIP
- 19.If PARK is written as KZIP, how is NEST written in the same code? (a) LUGF (b) OFTU (c) NWIH (d) MVHG
- 20.If FROG is written as UILT, how is DOG written in the same code? (a) EPH (b) VKS (c) WLT (d) XMU
- 21.If BOOK is written as YLLP, how is DOG written in the same code? (a) WLT (b) EPH (c) VKS (d) XMU
- 22.If BOOK is written as LPPC, how is FISH written in the same code? (a) ITJG (b) HSIF (c) GRHE (d) GJTI
- 23.If FROG is written as IURJ, how is DOG written in the same code? (a) ALD (b) GRJ (c) FQI (d) HSK
- 24.If LAMP is written as ODPS, how is BELL written in the same code? (a) DGNN (b) FIPP (c) EHOO (d) YBII
- 25.If WIND is written as VHMC, how is SUN written in the same code? (a) SUN (b) QSL (c) TVO (d) RTM
- 26.If SUN is written as OVT, how is TOYS written in the same code? (a) SYOT (b) RXNS (c) UPZT (d) TZPU
- 27.If LION is written as OPJM, how is FISH written in the same code? (a) HSIF (b) GJTI (c) GRHE (d) ITJG
- 28.If BALL is written as LLAB, how is PEN written in the same code? (a) OFQ (b) QFO (c) NEP (d) MDO
- 29.If PARK is written as JQZO, how is HAND written in the same code? (a) DNAH (b) EOBI (c) GZMC (d) CMZG
- 30.If BELL is written as MMFC, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) CPPL (d) JNNA
- 31.If CAT is written as SZB, how is PEN written in the same code? (a) NEP (b) ODM (c) OFQ (d) MDO
- 32.If DOG is written as WLT, how is STAR written in the same code? (a) IHAJ (b) TUBS (c) HGZI (d) GFYH
- 33.If PEN is written as KVM, how is STAR written in the same code? (a) GFYH (b) TUBS (c) HGZI (d) IHAJ
- 34.If DESK is written as KSED, how is FROG written in the same code? (a) HPSG (b) FNQE (c) GORF (d) GSPH
- 35.If COLD is written as CKNB, how is DRUM written in the same code? (a) NVSE (b) MURD (c) LTQC (d) CQTL
- 36.If LAMP is written as ROCN, how is HAND written in the same code? (a) DNAH (b) JCPF (c) BLYF (d) FPCJ
- 37.If DOG is written as GOD, how is BALL written in the same code? (a) KKZA (b) MMBC (c) LLAB (d) CBMM
- 38.If RAIN is written as OJBS, how is BOAT written in the same code? (a) UBPC (b) SZNA (c) CPBU (d) TAOB
- 39.If COLD is written as EMPD, how is MILK written in the same code? (a) NJML (b) KLIM (c) LMJN (d) JKHL
- 40.If HAND is written as EOBI, how is SHIP written in the same code? (a) OHGR (b) PIHS (c) QJIT (d) TIJQ
Answer key
- WVHP
- MJPO
- QFNK
- VUGP
- UVCT
- PIHS
- KGJI
- SZMW
- QJIT
- CFMM
- OWTF
- NYPI
- NIAR
- PRRQ
- NOIL
- JROG
- MURD
- KZIP
- MVHG
- WLT
- WLT
- ITJG
- GRJ
- EHOO
- RTM
- TZPU
- ITJG
- NEP
- CMZG
- LPPC
- MDO
- HGZI
- HGZI
- GORF
- LTQC
- FPCJ
- LLAB
- UBPC
- LMJN
- QJIT
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