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 TREE is written as VTGG, how is PEN written in the same code? (a) RGP (b) SHQ (c) QFO (d) NCL
- 2.If COLD is written as DPME, how is DOG written in the same code? (a) EPH (b) CNF (c) HPE (d) FQI
- 3.If TREE is written as USFF, how is FROG written in the same code? (a) HPSG (b) HTQI (c) EQNF (d) GSPH
- 4.If NEST is written as SRDM, how is WIND written in the same code? (a) DNIW (b) CMHV (c) EOJX (d) VHMC
- 5.If PARK is written as SDUN, how is COLD written in the same code? (a) GSPH (b) ZLIA (c) EQNF (d) FROG
- 6.If NEST is written as MVHG, how is HAND written in the same code? (a) IBOE (b) TANX (c) RYLV (d) SZMW
- 7.If MOON is written as PQQO, how is SHIP written in the same code? (a) UJKR (b) RKJU (c) NGFQ (d) PIHS
- 8.If MOON is written as OPPN, how is SUN written in the same code? (a) TVO (b) NUS (c) OVT (d) MTR
- 9.If STAR is written as QZSR, how is DOG written in the same code? (a) GOD (b) FNC (c) HPE (d) CNF
- 10.If HAND is written as SZMW, how is TOYS written in the same code? (a) FKAG (b) HMCI (c) UPZT (d) GLBH
- 11.If CAKE is written as FLBD, how is BOOK written in the same code? (a) KOOB (b) LPPC (c) CPPL (d) JNNA
- 12.If TOYS is written as UPZT, how is DRUM written in the same code? (a) FTWO (b) NVSE (c) ESVN (d) CQTL
- 13.If DOG is written as FQI, how is COLD written in the same code? (a) EQNF (b) DPME (c) FROG (d) AMJB
- 14.If PEN is written as NEP, how is SHIP written in the same code? (a) QJIT (b) PIHS (c) TIJQ (d) OHGR
- 15.If DESK is written as KSED, how is CAKE written in the same code? (a) EKAC (b) DJZB (c) DBLF (d) FLBD
- 16.If SHIP is written as PIHS, how is GOLD written in the same code? (a) DLOG (b) EMPH (c) HPME (d) CKNF
- 17.If PARK is written as KZIP, how is GOLD written in the same code? (a) UMPX (b) HPME (c) SKNV (d) TLOW
- 18.If BOOK is written as KOOB, how is MOON written in the same code? (a) NPPO (b) NOOM (c) OPPN (d) MNNL
- 19.If BALL is written as YZOO, how is LAMP written in the same code? (a) MBNQ (b) OZNK (c) PAOL (d) NYMJ
- 20.If GOLD is written as TLOW, how is SUN written in the same code? (a) IGN (b) TVO (c) HFM (d) GEL
- 21.If CAT is written as VCE, how is BOAT written in the same code? (a) VCQD (b) RYMZ (c) DQCV (d) TAOB
- 22.If NEST is written as SRDM, how is BALL written in the same code? (a) LLAB (b) KKZA (c) AZKK (d) MMBC
- 23.If BALL is written as DCNN, how is PEN written in the same code? (a) QFO (b) NCL (c) RGP (d) SHQ
- 24.If COLD is written as DPME, how is BOOK written in the same code? (a) ANNJ (b) CPPL (c) LPPC (d) DQQM
- 25.If TREE is written as GIVV, how is DRUM written in the same code? (a) XJGO (b) VHEM (c) WIFN (d) ESVN
- 26.If DRUM is written as BPSK, how is COLD written in the same code? (a) EQNF (b) AMJB (c) BNKC (d) ZLIA
- 27.If TREE is written as SQDD, how is FISH written in the same code? (a) FISH (b) GJTI (c) DGQF (d) EHRG
- 28.If SHIP is written as RKJU, how is SUN written in the same code? (a) UWP (b) NUS (c) LSQ (d) PWU
- 29.If DOG is written as WLT, how is FISH written in the same code? (a) URHS (b) GJTI (c) TQGR (d) VSIT
- 30.If STAR is written as SBUT, how is MILK written in the same code? (a) KLIM (b) NJML (c) LMJN (d) JKHL
- 31.If HAND is written as SZMW, how is WIND written in the same code? (a) XJOE (b) CQLV (c) ESNX (d) DRMW
- 32.If LION is written as NOIL, how is BOAT written in the same code? (a) TAOB (b) CPBU (c) SZNA (d) UBPC
- 33.If SHIP is written as HSRK, how is RAIN written in the same code? (a) IZRM (b) JASN (c) HYQL (d) SBJO
- 34.If BALL is written as LLAB, how is TOYS written in the same code? (a) UPZT (b) RXNS (c) SYOT (d) TZPU
- 35.If MILK is written as KLIM, how is BOAT written in the same code? (a) TAOB (b) UBPC (c) CPBU (d) SZNA
- 36.If KITE is written as FUJL, how is LAMP written in the same code? (a) MBNQ (b) PMAL (c) OLZK (d) QNBM
- 37.If JUMP is written as KVNQ, how is SUN written in the same code? (a) OVT (b) RTM (c) TVO (d) UWP
- 38.If LAMP is written as ODPS, how is GOLD written in the same code? (a) DLIA (b) JROG (c) KSPH (d) IQNF
- 39.If SHIP is written as HSRK, how is STAR written in the same code? (a) GFYH (b) HGZI (c) IHAJ (d) TUBS
- 40.If NEST is written as TSEN, how is TOYS written in the same code? (a) UPZT (b) SYOT (c) RXNS (d) TZPU
Answer key
- RGP
- EPH
- GSPH
- CMHV
- FROG
- SZMW
- RKJU
- OVT
- FNC
- GLBH
- LPPC
- ESVN
- EQNF
- PIHS
- EKAC
- DLOG
- TLOW
- NOOM
- OZNK
- HFM
- VCQD
- KKZA
- RGP
- CPPL
- WIFN
- AMJB
- EHRG
- PWU
- URHS
- LMJN
- DRMW
- TAOB
- IZRM
- SYOT
- TAOB
- QNBM
- TVO
- JROG
- HGZI
- SYOT
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