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 KITE is written as PRGV, how is MOON written in the same code? (a) OMMN (b) MKKL (c) NPPO (d) NLLM
- 2.If FROG is written as IQTH, how is PARK written in the same code? (a) IPYN (b) RCTM (c) MTCR (d) KRAP
- 3.If MILK is written as NJML, how is PARK written in the same code? (a) OZQJ (b) RCTM (c) LSBQ (d) QBSL
- 4.If CAKE is written as DBLF, how is CAT written in the same code? (a) BZS (b) ECV (c) UBD (d) DBU
- 5.If LAMP is written as MBNQ, how is STAR written in the same code? (a) RSZQ (b) TUBS (c) SBUT (d) UVCT
- 6.If SUN is written as NUS, how is TREE written in the same code? (a) USFF (b) EERT (c) FFSU (d) DDQS
- 7.If CAT is written as AYR, how is PARK written in the same code? (a) OZQJ (b) RCTM (c) NYPI (d) MXOH
- 8.If NEST is written as MVHG, how is CAT written in the same code? (a) XZG (b) YAH (c) WYF (d) DBU
- 9.If NEST is written as VUGP, how is LION written in the same code? (a) LMGJ (b) PQKN (c) NOIL (d) NKQP
- 10.If JUMP is written as QNVK, how is DESK written in the same code? (a) KSED (b) EFTL (c) JRDC (d) LTFE
- 11.If DOG is written as CNF, how is LION written in the same code? (a) LION (b) JGML (c) KHNM (d) MJPO
- 12.If WIND is written as YKPF, how is SUN written in the same code? (a) UWP (b) TVO (c) VXQ (d) QSL
- 13.If BOOK is written as MQQD, how is FISH written in the same code? (a) HKUJ (b) JUKH (c) FQGD (d) HSIF
- 14.If TREE is written as DDQS, how is PARK written in the same code? (a) JQZO (b) LSBQ (c) KRAP (d) OZQJ
- 15.If MOON is written as NLLM, how is CAKE written in the same code? (a) YAQW (b) DBLF (c) WYOU (d) XZPV
- 16.If FISH is written as HKUJ, how is DOG written in the same code? (a) FQI (b) BME (c) EPH (d) GRJ
- 17.If KITE is written as JHSD, how is STAR written in the same code? (a) STAR (b) TUBS (c) QRYP (d) RSZQ
- 18.If MILK is written as MNKO, how is RAIN written in the same code? (a) TCKP (b) NIAR (c) LGYP (d) PKCT
- 19.If GOLD is written as TLOW, how is FROG written in the same code? (a) GSPH (b) THKS (c) VJMU (d) UILT
- 20.If BELL is written as DGNN, how is SUN written in the same code? (a) VXQ (b) UWP (c) TVO (d) QSL
- 21.If TREE is written as EERT, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) OJBS (d) SBJO
- 22.If BELL is written as YVOO, how is SUN written in the same code? (a) TVO (b) GEL (c) IGN (d) HFM
- 23.If PEN is written as ODM, how is COLD written in the same code? (a) DPME (b) COLD (c) BNKC (d) AMJB
- 24.If JUMP is written as ITLO, how is TREE written in the same code? (a) SQDD (b) TREE (c) RPCC (d) USFF
- 25.If DOG is written as GOD, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) UPZT (d) SYOT
- 26.If PEN is written as ODM, how is TREE written in the same code? (a) TREE (b) USFF (c) RPCC (d) SQDD
- 27.If PEN is written as KVM, how is KITE written in the same code? (a) PRGV (b) OQFU (c) QSHW (d) LJUF
- 28.If COLD is written as DPME, how is FISH written in the same code? (a) GJTI (b) HKUJ (c) ITJG (d) EHRG
- 29.If PARK is written as RCTM, how is NEST written in the same code? (a) QHVW (b) LCQR (c) OFTU (d) PGUV
- 30.If DESK is written as LTFE, how is BALL written in the same code? (a) MMBC (b) KKZA (c) LLAB (d) CBMM
- 31.If SUN is written as UWP, how is CAT written in the same code? (a) ECV (b) FDW (c) DBU (d) AYR
- 32.If TREE is written as DDQS, how is BOOK written in the same code? (a) KOOB (b) ANNJ (c) LPPC (d) JNNA
- 33.If GOLD is written as TLOW, how is MILK written in the same code? (a) NROP (b) NJML (c) MQNO (d) OSPQ
- 34.If TOYS is written as VQAU, how is BOOK written in the same code? (a) ERRN (b) CPPL (c) ZMMI (d) DQQM
- 35.If SUN is written as RTM, how is HAND written in the same code? (a) GZMC (b) IBOE (c) FYLB (d) HAND
- 36.If LION is written as NOIL, how is RAIN written in the same code? (a) OJBS (b) NIAR (c) SBJO (d) MHZQ
- 37.If DRUM is written as WIFN, how is PARK written in the same code? (a) JYHO (b) LAJQ (c) KZIP (d) QBSL
- 38.If TOYS is written as SYOT, how is LAMP written in the same code? (a) PMAL (b) MBNQ (c) QNBM (d) OLZK
- 39.If STAR is written as RATS, how is LAMP written in the same code? (a) OLZK (b) QNBM (c) MBNQ (d) PMAL
- 40.If PARK is written as KRAP, how is PEN written in the same code? (a) QFO (b) MDO (c) NEP (d) OFQ
Answer key
- NLLM
- MTCR
- QBSL
- DBU
- TUBS
- EERT
- NYPI
- XZG
- PQKN
- LTFE
- KHNM
- UWP
- JUKH
- JQZO
- XZPV
- FQI
- RSZQ
- PKCT
- UILT
- UWP
- NIAR
- HFM
- BNKC
- SQDD
- SYOT
- SQDD
- PRGV
- GJTI
- PGUV
- MMBC
- ECV
- JNNA
- NROP
- DQQM
- GZMC
- NIAR
- KZIP
- PMAL
- PMAL
- NEP
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