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 WIND is written as CMHV, how is GOLD written in the same code? (a) DLOG (b) FNKC (c) CKNF (d) EMPH
- 2.If LION is written as MNHK, how is BOOK written in the same code? (a) JNNA (b) LPPC (c) ANNJ (d) KOOB
- 3.If BOAT is written as YLZG, how is DESK written in the same code? (a) VUGO (b) XWIQ (c) EFTL (d) WVHP
- 4.If LAMP is written as PMAL, how is TREE written in the same code? (a) USFF (b) FFSU (c) DDQS (d) EERT
- 5.If CAT is written as BZS, how is JUMP written in the same code? (a) KVNQ (b) ITLO (c) HSKN (d) JUMP
- 6.If MILK is written as OKNM, how is NEST written in the same code? (a) OFTU (b) QHVW (c) PGUV (d) LCQR
- 7.If WIND is written as EOJX, how is COLD written in the same code? (a) DPME (b) EMPD (c) DLOC (d) CKNB
- 8.If WIND is written as YKPF, how is PEN written in the same code? (a) NCL (b) QFO (c) SHQ (d) RGP
- 9.If GOLD is written as FNKC, how is PARK written in the same code? (a) OZQJ (b) NYPI (c) PARK (d) QBSL
- 10.If SUN is written as PWU, how is BELL written in the same code? (a) LLEB (b) JJCZ (c) NNGD (d) DGNN
- 11.If COLD is written as CKNB, how is CAKE written in the same code? (a) EKAC (b) DJZB (c) FLBD (d) BZJD
- 12.If LAMP is written as QNBM, how is LION written in the same code? (a) OPJM (b) MNHK (c) NOIL (d) MJPO
- 13.If PEN is written as NEP, how is CAT written in the same code? (a) SZB (b) UBD (c) DBU (d) TAC
- 14.If DRUM is written as WIFN, how is MILK written in the same code? (a) NJML (b) OSPQ (c) MQNO (d) NROP
- 15.If DOG is written as GOD, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) DLOG (d) HPME
- 16.If TREE is written as EERT, how is SUN written in the same code? (a) OVT (b) MTR (c) TVO (d) NUS
- 17.If PARK is written as JQZO, how is PEN written in the same code? (a) ODM (b) OFQ (c) MDO (d) NEP
- 18.If RAIN is written as IZRM, how is MOON written in the same code? (a) MKKL (b) OMMN (c) NLLM (d) NPPO
- 19.If SUN is written as OVT, how is TOYS written in the same code? (a) UPZT (b) SYOT (c) RXNS (d) TZPU
- 20.If TREE is written as GIVV, how is KITE written in the same code? (a) OQFU (b) QSHW (c) LJUF (d) PRGV
- 21.If TREE is written as EERT, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) JNNA (d) LPPC
- 22.If CAT is written as ECV, how is RAIN written in the same code? (a) TCKP (b) SBJO (c) PYGL (d) UDLQ
- 23.If SUN is written as OVT, how is DESK written in the same code? (a) KSED (b) LTFE (c) EFTL (d) JRDC
- 24.If CAT is written as FDW, how is BALL written in the same code? (a) DCNN (b) FEPP (c) YXII (d) EDOO
- 25.If DESK is written as FGUM, how is SUN written in the same code? (a) QSL (b) TVO (c) UWP (d) VXQ
- 26.If TREE is written as FFSU, how is PARK written in the same code? (a) JQZO (b) KRAP (c) QBSL (d) LSBQ
- 27.If DESK is written as MUGF, how is PEN written in the same code? (a) RGP (b) NEP (c) LCN (d) PGR
- 28.If COLD is written as DPME, how is PEN written in the same code? (a) RGP (b) ODM (c) OFQ (d) QFO
- 29.If DRUM is written as LTQC, how is DESK written in the same code? (a) LTFE (b) KSED (c) JRDC (d) CDRJ
- 30.If SHIP is written as QFGN, how is WIND written in the same code? (a) TFKA (b) UGLB (c) YKPF (d) VHMC
- 31.If CAKE is written as AYIC, how is PEN written in the same code? (a) MBK (b) RGP (c) NCL (d) ODM
- 32.If LAMP is written as ODPS, how is PEN written in the same code? (a) MBK (b) SHQ (c) TIR (d) RGP
- 33.If MILK is written as LMJN, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) OJBS (d) SBJO
- 34.If FROG is written as UILT, how is RAIN written in the same code? (a) IZRM (b) SBJO (c) JASN (d) HYQL
- 35.If LAMP is written as JYKN, how is FROG written in the same code? (a) EQNF (b) HTQI (c) DPME (d) COLD
- 36.If MILK is written as KLIM, how is BOAT written in the same code? (a) UBPC (b) SZNA (c) CPBU (d) TAOB
- 37.If PEN is written as PGR, how is NEST written in the same code? (a) TSEN (b) VUGP (c) RQCL (d) PGUV
- 38.If COLD is written as DPME, how is BELL written in the same code? (a) DGNN (b) ADKK (c) MMFC (d) CFMM
- 39.If FROG is written as UILT, how is LION written in the same code? (a) PSMN (b) MJPO (c) NQKL (d) ORLM
- 40.If COLD is written as DLOC, how is TOYS written in the same code? (a) TZPU (b) RXNS (c) SYOT (d) UPZT
Answer key
- CKNF
- JNNA
- WVHP
- EERT
- ITLO
- PGUV
- EMPD
- RGP
- OZQJ
- NNGD
- DJZB
- OPJM
- TAC
- NROP
- DLOG
- NUS
- MDO
- NLLM
- TZPU
- PRGV
- KOOB
- TCKP
- LTFE
- EDOO
- UWP
- LSBQ
- PGR
- QFO
- JRDC
- UGLB
- NCL
- SHQ
- OJBS
- IZRM
- DPME
- TAOB
- VUGP
- CFMM
- ORLM
- SYOT
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