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 FISH is written as DGQF, how is RAIN written in the same code? (a) OXFK (b) PYGL (c) TCKP (d) QZHM
- 2.If TREE is written as EERT, how is GOLD written in the same code? (a) DLOG (b) HPME (c) EMPH (d) CKNF
- 3.If GOLD is written as TLOW, how is LION written in the same code? (a) MJPO (b) NQKL (c) ORLM (d) PSMN
- 4.If CAKE is written as ECMG, how is PARK written in the same code? (a) NYPI (b) QBSL (c) SDUN (d) RCTM
- 5.If SUN is written as HFM, how is RAIN written in the same code? (a) IZRM (b) SBJO (c) JASN (d) HYQL
- 6.If SUN is written as TVO, how is KITE written in the same code? (a) JHSD (b) FUJL (c) LJUF (d) MKVG
- 7.If KITE is written as DSHJ, how is DOG written in the same code? (a) FNC (b) GOD (c) CNF (d) HPE
- 8.If KITE is written as FUJL, how is RAIN written in the same code? (a) SBJO (b) NIAR (c) OJBS (d) MHZQ
- 9.If LION is written as ORLM, how is CAT written in the same code? (a) DBU (b) WYF (c) YAH (d) XZG
- 10.If SHIP is written as PIHS, how is BOAT written in the same code? (a) UBPC (b) SZNA (c) CPBU (d) TAOB
- 11.If TOYS is written as GLBH, how is DRUM written in the same code? (a) VHEM (b) WIFN (c) ESVN (d) XJGO
- 12.If DOG is written as GOD, how is TREE written in the same code? (a) USFF (b) DDQS (c) EERT (d) FFSU
- 13.If LAMP is written as MBNQ, how is BOOK written in the same code? (a) CPPL (b) DQQM (c) ANNJ (d) LPPC
- 14.If TOYS is written as UAQV, how is GOLD written in the same code? (a) DLOG (b) BJME (c) FNQI (d) IQNF
- 15.If TREE is written as USFF, how is RAIN written in the same code? (a) OJBS (b) QZHM (c) SBJO (d) TCKP
- 16.If DRUM is written as MURD, how is CAT written in the same code? (a) UBD (b) SZB (c) TAC (d) DBU
- 17.If DRUM is written as WIFN, how is SUN written in the same code? (a) TVO (b) GEL (c) HFM (d) IGN
- 18.If GOLD is written as TLOW, how is PARK written in the same code? (a) QBSL (b) LAJQ (c) JYHO (d) KZIP
- 19.If LION is written as MNHK, how is DRUM written in the same code? (a) CQTL (b) MURD (c) NVSE (d) LTQC
- 20.If MILK is written as NJML, how is BOOK written in the same code? (a) LPPC (b) ANNJ (c) CPPL (d) DQQM
- 21.If TOYS is written as SYOT, how is STAR written in the same code? (a) QZSR (b) RATS (c) SBUT (d) TUBS
- 22.If PEN is written as RGP, how is LAMP written in the same code? (a) MBNQ (b) JYKN (c) NCOR (d) ODPS
- 23.If CAKE is written as GMCE, how is PARK written in the same code? (a) IPYN (b) KRAP (c) MTCR (d) RCTM
- 24.If PEN is written as KVM, how is CAKE written in the same code? (a) WYOU (b) DBLF (c) YAQW (d) XZPV
- 25.If CAKE is written as DBLF, how is GOLD written in the same code? (a) EMPH (b) IQNF (c) HPME (d) FNKC
- 26.If HAND is written as EOBI, how is BOAT written in the same code? (a) TAOB (b) CPBU (c) SZNA (d) UBPC
- 27.If TREE is written as GIVV, how is COLD written in the same code? (a) WKNV (b) YMPX (c) DPME (d) XLOW
- 28.If RAIN is written as OJBS, how is DESK written in the same code? (a) JRDC (b) EFTL (c) LTFE (d) KSED
- 29.If CAKE is written as FDNH, how is KITE written in the same code? (a) NLWH (b) HFQB (c) OMXI (d) MKVG
- 30.If CAT is written as TAC, how is DESK written in the same code? (a) KSED (b) JRDC (c) LTFE (d) EFTL
- 31.If BALL is written as AZKK, how is LAMP written in the same code? (a) JYKN (b) MBNQ (c) KZLO (d) LAMP
- 32.If MILK is written as OKNM, how is RAIN written in the same code? (a) UDLQ (b) TCKP (c) PYGL (d) SBJO
- 33.If SUN is written as PWU, how is FROG written in the same code? (a) GORF (b) IQTH (c) HTQI (d) EMPD
- 34.If DESK is written as MUGF, how is LION written in the same code? (a) NKQP (b) NOIL (c) PQKN (d) LMGJ
- 35.If NEST is written as OFTU, how is LAMP written in the same code? (a) QNBM (b) KZLO (c) MBNQ (d) NCOR
- 36.If PARK is written as LSBQ, how is LAMP written in the same code? (a) OLZK (b) PMAL (c) MBNQ (d) QNBM
- 37.If TOYS is written as GLBH, how is KITE written in the same code? (a) OQFU (b) PRGV (c) QSHW (d) LJUF
- 38.If PEN is written as NEP, how is SUN written in the same code? (a) NUS (b) OVT (c) TVO (d) MTR
- 39.If NEST is written as PGUV, how is BELL written in the same code? (a) ZCJJ (b) EHOO (c) CFMM (d) DGNN
- 40.If SHIP is written as RKJU, how is JUMP written in the same code? (a) NKSH (b) ROWL (c) LWOR (d) PMUJ
Answer key
- PYGL
- DLOG
- ORLM
- RCTM
- IZRM
- LJUF
- FNC
- OJBS
- XZG
- TAOB
- WIFN
- EERT
- CPPL
- FNQI
- SBJO
- TAC
- HFM
- KZIP
- LTQC
- CPPL
- RATS
- NCOR
- MTCR
- XZPV
- HPME
- UBPC
- XLOW
- LTFE
- NLWH
- KSED
- KZLO
- TCKP
- IQTH
- PQKN
- MBNQ
- QNBM
- PRGV
- NUS
- DGNN
- ROWL
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