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 PEN is written as SHQ, how is SHIP written in the same code? (a) WLMT (b) PEFM (c) UJKR (d) VKLS
- 2.If RAIN is written as PKCT, how is SHIP written in the same code? (a) PIHS (b) RKJU (c) NGFQ (d) UJKR
- 3.If DOG is written as BME, how is BOAT written in the same code? (a) YLXQ (b) ZMYR (c) ANZS (d) DQCV
- 4.If BOOK is written as DQQM, how is GOLD written in the same code? (a) HPME (b) JROG (c) IQNF (d) EMJB
- 5.If JUMP is written as QNVK, how is LAMP written in the same code? (a) OLZK (b) QNBM (c) PMAL (d) MBNQ
- 6.If TOYS is written as RMWQ, how is HAND written in the same code? (a) JCPF (b) GZMC (c) EXKA (d) FYLB
- 7.If GOLD is written as EMPH, how is DRUM written in the same code? (a) LTQC (b) NVSE (c) ESVN (d) MURD
- 8.If DRUM is written as WIFN, how is CAT written in the same code? (a) YAH (b) XZG (c) WYF (d) DBU
- 9.If GOLD is written as FNKC, how is SHIP written in the same code? (a) QFGN (b) RGHO (c) TIJQ (d) SHIP
- 10.If MILK is written as OKNM, how is JUMP written in the same code? (a) LWOR (b) HSKN (c) KVNQ (d) MXPS
- 11.If TOYS is written as SYOT, how is CAT written in the same code? (a) UBD (b) SZB (c) DBU (d) TAC
- 12.If MILK is written as JKHL, how is FISH written in the same code? (a) HSIF (b) ITJG (c) GRHE (d) EHRG
- 13.If CAT is written as ECV, how is TREE written in the same code? (a) USFF (b) VTGG (c) WUHH (d) RPCC
- 14.If STAR is written as RSZQ, how is COLD written in the same code? (a) DPME (b) AMJB (c) COLD (d) BNKC
- 15.If BALL is written as LLAB, how is DOG written in the same code? (a) FNC (b) GOD (c) EPH (d) HPE
- 16.If DOG is written as GOD, how is MILK written in the same code? (a) LMJN (b) NJML (c) JKHL (d) KLIM
- 17.If CAT is written as UBD, how is MILK written in the same code? (a) NJML (b) LMJN (c) KLIM (d) JKHL
- 18.If WIND is written as EOJX, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) KOOB (d) CPPL
- 19.If STAR is written as TUBS, how is MOON written in the same code? (a) OQQP (b) LNNM (c) OPPN (d) NPPO
- 20.If LION is written as ORLM, how is SUN written in the same code? (a) GEL (b) IGN (c) HFM (d) TVO
- 21.If PARK is written as JQZO, how is CAT written in the same code? (a) BZS (b) TAC (c) SZB (d) UBD
- 22.If BOOK is written as DQQM, how is STAR written in the same code? (a) QRYP (b) UVCT (c) VWDU (d) TUBS
- 23.If BOOK is written as KOOB, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) OHGR (d) PIHS
- 24.If STAR is written as VWDU, how is LION written in the same code? (a) NKQP (b) IFLK (c) OLRQ (d) PMSR
- 25.If MOON is written as NOOM, how is MILK written in the same code? (a) NJML (b) KLIM (c) JKHL (d) LMJN
- 26.If JUMP is written as ROWL, how is COLD written in the same code? (a) BJMA (b) FNQE (c) EQNF (d) DLOC
- 27.If WIND is written as YKPF, how is JUMP written in the same code? (a) MXPS (b) HSKN (c) KVNQ (d) LWOR
- 28.If SUN is written as HFM, how is CAT written in the same code? (a) DBU (b) WYF (c) XZG (d) YAH
- 29.If FISH is written as HSIF, how is SHIP written in the same code? (a) OHGR (b) TIJQ (c) PIHS (d) QJIT
- 30.If CAKE is written as EKAC, how is GOLD written in the same code? (a) CKNF (b) HPME (c) EMPH (d) DLOG
- 31.If DESK is written as KSED, how is GOLD written in the same code? (a) CKNF (b) HPME (c) EMPH (d) DLOG
- 32.If CAT is written as BZS, how is DOG written in the same code? (a) CNF (b) BME (c) DOG (d) EPH
- 33.If CAKE is written as EKAC, how is PARK written in the same code? (a) JQZO (b) KRAP (c) QBSL (d) LSBQ
- 34.If WIND is written as DNIW, how is NEST written in the same code? (a) SRDM (b) UTFO (c) OFTU (d) TSEN
- 35.If SUN is written as RTM, how is DRUM written in the same code? (a) BPSK (b) CQTL (c) ESVN (d) DRUM
- 36.If STAR is written as SBUT, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) LPPC (d) KOOB
- 37.If WIND is written as EOJX, how is JUMP written in the same code? (a) KVNQ (b) PMUJ (c) QNVK (d) OLTI
- 38.If CAKE is written as FLBD, how is SUN written in the same code? (a) TVO (b) MTR (c) OVT (d) NUS
- 39.If DRUM is written as CQTL, how is NEST written in the same code? (a) LCQR (b) MDRS (c) OFTU (d) NEST
- 40.If MILK is written as LMJN, how is GOLD written in the same code? (a) EMPH (b) DLOG (c) CKNF (d) HPME
Answer key
- VKLS
- RKJU
- ZMYR
- IQNF
- QNBM
- FYLB
- NVSE
- XZG
- RGHO
- LWOR
- TAC
- GRHE
- VTGG
- BNKC
- GOD
- KLIM
- LMJN
- LPPC
- NPPO
- HFM
- SZB
- UVCT
- PIHS
- OLRQ
- KLIM
- FNQE
- LWOR
- XZG
- PIHS
- DLOG
- DLOG
- CNF
- KRAP
- TSEN
- CQTL
- LPPC
- QNVK
- OVT
- MDRS
- EMPH
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