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 HAND is written as FPCJ, how is SHIP written in the same code? (a) PIHS (b) UJKR (c) NGFQ (d) RKJU
- 2.If FISH is written as ITJG, how is DESK written in the same code? (a) KSED (b) EFTL (c) JRDC (d) LTFE
- 3.If TREE is written as GGTV, how is CAKE written in the same code? (a) CIYA (b) ECMG (c) GMCE (d) EKAC
- 4.If BALL is written as AZKK, how is MILK written in the same code? (a) LHKJ (b) NJML (c) MILK (d) KGJI
- 5.If CAT is written as XZG, how is NEST written in the same code? (a) NWIH (b) MVHG (c) LUGF (d) OFTU
- 6.If PARK is written as NYPI, how is SHIP written in the same code? (a) PEFM (b) UJKR (c) RGHO (d) QFGN
- 7.If HAND is written as JCPF, how is STAR written in the same code? (a) QRYP (b) TUBS (c) UVCT (d) VWDU
- 8.If KITE is written as PRGV, how is SUN written in the same code? (a) HFM (b) IGN (c) TVO (d) GEL
- 9.If PEN is written as NEP, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) LPPC (d) KOOB
- 10.If FROG is written as HTQI, how is BOAT written in the same code? (a) ERDW (b) DQCV (c) CPBU (d) ZMYR
- 11.If JUMP is written as HSKN, how is KITE written in the same code? (a) MKVG (b) IGRC (c) JHSD (d) HFQB
- 12.If BOOK is written as YLLP, how is FISH written in the same code? (a) TQGR (b) GJTI (c) VSIT (d) URHS
- 13.If PARK is written as KRAP, how is BALL written in the same code? (a) LLAB (b) MMBC (c) CBMM (d) KKZA
- 14.If LION is written as ORLM, how is BALL written in the same code? (a) CBMM (b) ZAPP (c) YZOO (d) XYNN
- 15.If BELL is written as KKDA, how is TOYS written in the same code? (a) SNXR (b) RXNS (c) SYOT (d) TZPU
- 16.If SHIP is written as QJIT, how is LION written in the same code? (a) MNHK (b) MJPO (c) OPJM (d) NOIL
- 17.If DRUM is written as WIFN, how is CAT written in the same code? (a) YAH (b) WYF (c) XZG (d) DBU
- 18.If HAND is written as FPCJ, how is DOG written in the same code? (a) FQI (b) IQF (c) EMB (d) GOD
- 19.If SHIP is written as RKJU, how is BOOK written in the same code? (a) DQQM (b) IMMZ (c) KOOB (d) MQQD
- 20.If MILK is written as JKHL, how is RAIN written in the same code? (a) QZHM (b) MHZQ (c) OJBS (d) NIAR
- 21.If TREE is written as FFSU, how is SHIP written in the same code? (a) TIJQ (b) OHGR (c) PIHS (d) QJIT
- 22.If KITE is written as IGRC, how is HAND written in the same code? (a) JCPF (b) GZMC (c) FYLB (d) EXKA
- 23.If HAND is written as KDQG, how is BELL written in the same code? (a) EHOO (b) FIPP (c) DGNN (d) YBII
- 24.If MILK is written as NJML, how is FISH written in the same code? (a) GJTI (b) HKUJ (c) ITJG (d) EHRG
- 25.If SUN is written as RTM, how is FISH written in the same code? (a) FISH (b) EHRG (c) GJTI (d) DGQF
- 26.If NEST is written as LCQR, how is PARK written in the same code? (a) RCTM (b) NYPI (c) OZQJ (d) MXOH
- 27.If MOON is written as OPPN, how is BELL written in the same code? (a) CFMM (b) LLEB (c) KKDA (d) MMFC
- 28.If STAR is written as RATS, how is DESK written in the same code? (a) KSED (b) LTFE (c) JRDC (d) EFTL
- 29.If BELL is written as ZCJJ, how is SHIP written in the same code? (a) RGHO (b) PEFM (c) QFGN (d) UJKR
- 30.If NEST is written as SRDM, how is LION written in the same code? (a) KHNM (b) MNHK (c) OPJM (d) NOIL
- 31.If CAKE is written as EKAC, how is DOG written in the same code? (a) GOD (b) EPH (c) HPE (d) FNC
- 32.If DESK is written as MUGF, how is LION written in the same code? (a) PQKN (b) NKQP (c) NOIL (d) LMGJ
- 33.If BALL is written as LLAB, how is PEN written in the same code? (a) OFQ (b) MDO (c) QFO (d) NEP
- 34.If CAKE is written as XZPV, how is DOG written in the same code? (a) WLT (b) XMU (c) VKS (d) EPH
- 35.If BOAT is written as CPBU, how is TREE written in the same code? (a) VTGG (b) FFSU (c) SQDD (d) USFF
- 36.If BOOK is written as JNNA, how is TREE written in the same code? (a) FFSU (b) SQDD (c) DDQS (d) EERT
- 37.If JUMP is written as QFNK, how is LION written in the same code? (a) NQKL (b) PSMN (c) ORLM (d) MJPO
- 38.If MOON is written as NLLM, how is CAT written in the same code? (a) WYF (b) DBU (c) XZG (d) YAH
- 39.If WIND is written as YKPF, how is PARK written in the same code? (a) QBSL (b) SDUN (c) NYPI (d) RCTM
- 40.If MOON is written as NOOM, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) LJUF (d) ETIK
Answer key
- RKJU
- LTFE
- GMCE
- LHKJ
- MVHG
- QFGN
- UVCT
- HFM
- KOOB
- DQCV
- IGRC
- URHS
- LLAB
- YZOO
- RXNS
- OPJM
- XZG
- IQF
- MQQD
- MHZQ
- QJIT
- FYLB
- EHOO
- GJTI
- EHRG
- NYPI
- MMFC
- KSED
- QFGN
- MNHK
- GOD
- PQKN
- NEP
- WLT
- USFF
- DDQS
- ORLM
- XZG
- RCTM
- ETIK
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