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 IBOE, how is DESK written in the same code? (a) FGUM (b) CDRJ (c) EFTL (d) LTFE
- 2.If FISH is written as ITJG, how is PEN written in the same code? (a) OFQ (b) QFO (c) NEP (d) MDO
- 3.If HAND is written as SZMW, how is RAIN written in the same code? (a) IZRM (b) HYQL (c) JASN (d) SBJO
- 4.If FISH is written as ILVK, how is NEST written in the same code? (a) RIWX (b) QHVW (c) KBPQ (d) PGUV
- 5.If KITE is written as PRGV, how is STAR written in the same code? (a) TUBS (b) HGZI (c) IHAJ (d) GFYH
- 6.If CAT is written as XZG, how is BELL written in the same code? (a) XUNN (b) ZWPP (c) CFMM (d) YVOO
- 7.If COLD is written as XLOW, how is BOOK written in the same code? (a) ZMMQ (b) CPPL (c) XKKO (d) YLLP
- 8.If LAMP is written as QNBM, how is MOON written in the same code? (a) MNNL (b) NPPO (c) OPPN (d) NOOM
- 9.If BOOK is written as ERRN, how is CAT written in the same code? (a) ZXQ (b) ECV (c) FDW (d) GEX
- 10.If HAND is written as CMZG, how is MILK written in the same code? (a) LHKJ (b) KLIM (c) JKHL (d) LMJN
- 11.If DESK is written as KSED, how is BELL written in the same code? (a) MMFC (b) KKDA (c) LLEB (d) CFMM
- 12.If BALL is written as AZKK, how is JUMP written in the same code? (a) ITLO (b) JUMP (c) KVNQ (d) HSKN
- 13.If GOLD is written as EMPH, how is MOON written in the same code? (a) OPPN (b) MNNL (c) NPPO (d) NOOM
- 14.If DOG is written as HPE, how is FROG written in the same code? (a) GORF (b) HPSG (c) GSPH (d) FNQE
- 15.If FROG is written as GORF, how is RAIN written in the same code? (a) NIAR (b) SBJO (c) OJBS (d) MHZQ
- 16.If RAIN is written as IZRM, how is SHIP written in the same code? (a) ITSL (b) TIJQ (c) GRQJ (d) HSRK
- 17.If STAR is written as RATS, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) HPME (d) DLOG
- 18.If BOAT is written as UBPC, how is SUN written in the same code? (a) MTR (b) OVT (c) NUS (d) TVO
- 19.If MOON is written as MNNL, how is TREE written in the same code? (a) DDQS (b) FFSU (c) EERT (d) SQDD
- 20.If COLD is written as DLOC, how is FISH written in the same code? (a) HSIF (b) GJTI (c) ITJG (d) GRHE
- 21.If SHIP is written as PIHS, how is KITE written in the same code? (a) FUJL (b) LJUF (c) ETIK (d) DSHJ
- 22.If LION is written as MNHK, how is FROG written in the same code? (a) EQNF (b) HPSG (c) FNQE (d) GORF
- 23.If NEST is written as MVHG, how is BOAT written in the same code? (a) CPBU (b) ZMAH (c) XKYF (d) YLZG
- 24.If WIND is written as XJOE, how is CAKE written in the same code? (a) BZJD (b) DBLF (c) ECMG (d) FLBD
- 25.If LION is written as MJPO, how is MILK written in the same code? (a) NJML (b) LHKJ (c) LMJN (d) OKNM
- 26.If BELL is written as KKDA, how is HAND written in the same code? (a) CMZG (b) DNAH (c) GZMC (d) EOBI
- 27.If DRUM is written as MURD, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) KVNQ (d) PMUJ
- 28.If BOOK is written as YLLP, how is COLD written in the same code? (a) DPME (b) YMPX (c) XLOW (d) WKNV
- 29.If COLD is written as XLOW, how is GOLD written in the same code? (a) TLOW (b) UMPX (c) SKNV (d) HPME
- 30.If TREE is written as GIVV, how is GOLD written in the same code? (a) TLOW (b) UMPX (c) HPME (d) SKNV
- 31.If WIND is written as CMHV, how is PARK written in the same code? (a) OZQJ (b) LSBQ (c) JQZO (d) KRAP
- 32.If BOAT is written as DQCV, how is MOON written in the same code? (a) OQQP (b) NPPO (c) KMML (d) PRRQ
- 33.If COLD is written as DLOC, how is CAT written in the same code? (a) UBD (b) DBU (c) TAC (d) SZB
- 34.If GOLD is written as TLOW, how is PARK written in the same code? (a) QBSL (b) LAJQ (c) JYHO (d) KZIP
- 35.If BOAT is written as TAOB, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) LPPC (d) JNNA
- 36.If TOYS is written as SYOT, how is SHIP written in the same code? (a) TIJQ (b) PIHS (c) OHGR (d) QJIT
- 37.If FROG is written as EQNF, how is LION written in the same code? (a) JGML (b) MJPO (c) KHNM (d) LION
- 38.If TOYS is written as TZPU, how is LION written in the same code? (a) NOIL (b) MNHK (c) MJPO (d) OPJM
- 39.If COLD is written as FNQE, how is STAR written in the same code? (a) PYRQ (b) RATS (c) UVCT (d) TCVU
- 40.If DRUM is written as WIFN, how is SHIP written in the same code? (a) TIJQ (b) ITSL (c) GRQJ (d) HSRK
Answer key
- EFTL
- OFQ
- IZRM
- QHVW
- HGZI
- YVOO
- YLLP
- OPPN
- FDW
- JKHL
- LLEB
- ITLO
- OPPN
- HPSG
- NIAR
- HSRK
- DLOG
- OVT
- DDQS
- HSIF
- ETIK
- FNQE
- YLZG
- DBLF
- NJML
- CMZG
- PMUJ
- XLOW
- TLOW
- TLOW
- JQZO
- OQQP
- TAC
- KZIP
- KOOB
- PIHS
- KHNM
- OPJM
- TCVU
- HSRK
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