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 NEST is written as MVHG, how is CAKE written in the same code? (a) YAQW (b) XZPV (c) WYOU (d) DBLF
- 2.If KITE is written as IGRC, how is PARK written in the same code? (a) OZQJ (b) MXOH (c) RCTM (d) NYPI
- 3.If LION is written as NOIL, how is BELL written in the same code? (a) MMFC (b) KKDA (c) CFMM (d) LLEB
- 4.If NEST is written as TSEN, how is WIND written in the same code? (a) DNIW (b) XJOE (c) EOJX (d) CMHV
- 5.If FROG is written as DPME, how is NEST written in the same code? (a) LCQR (b) KBPQ (c) MDRS (d) PGUV
- 6.If HAND is written as DNAH, how is TREE written in the same code? (a) USFF (b) FFSU (c) DDQS (d) EERT
- 7.If RAIN is written as NIAR, how is GOLD written in the same code? (a) DLOG (b) HPME (c) CKNF (d) EMPH
- 8.If FISH is written as HSIF, how is TOYS written in the same code? (a) UPZT (b) TZPU (c) SYOT (d) RXNS
- 9.If DESK is written as WVHP, how is COLD written in the same code? (a) XLOW (b) WKNV (c) DPME (d) YMPX
- 10.If DOG is written as HPE, how is PARK written in the same code? (a) QBSL (b) LSBQ (c) JQZO (d) KRAP
- 11.If LION is written as MNHK, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) JNNA (d) ANNJ
- 12.If RAIN is written as IZRM, how is STAR written in the same code? (a) TUBS (b) HGZI (c) IHAJ (d) GFYH
- 13.If LION is written as NKQP, how is PARK written in the same code? (a) NYPI (b) QBSL (c) SDUN (d) RCTM
- 14.If PEN is written as PGR, how is BALL written in the same code? (a) DCNN (b) LLAB (c) NNCD (d) JJYZ
- 15.If SHIP is written as HSRK, how is LION written in the same code? (a) MJPO (b) ORLM (c) NQKL (d) PSMN
- 16.If MOON is written as LNNM, how is SUN written in the same code? (a) SUN (b) TVO (c) QSL (d) RTM
- 17.If GOLD is written as EMJB, how is TOYS written in the same code? (a) QLVP (b) VQAU (c) RMWQ (d) SNXR
- 18.If BOOK is written as MQQD, how is CAT written in the same code? (a) ECV (b) TAC (c) RYA (d) VCE
- 19.If GOLD is written as TLOW, how is DRUM written in the same code? (a) VHEM (b) WIFN (c) XJGO (d) ESVN
- 20.If NEST is written as OFTU, how is BELL written in the same code? (a) CFMM (b) ADKK (c) MMFC (d) DGNN
- 21.If BALL is written as CBMM, how is LAMP written in the same code? (a) QNBM (b) NCOR (c) MBNQ (d) KZLO
- 22.If BOOK is written as MQQD, how is LAMP written in the same code? (a) ROCN (b) NCOR (c) NKYJ (d) PMAL
- 23.If CAT is written as SZB, how is HAND written in the same code? (a) CMZG (b) EOBI (c) DNAH (d) GZMC
- 24.If NEST is written as TSEN, how is MOON written in the same code? (a) NOOM (b) MNNL (c) NPPO (d) OPPN
- 25.If HAND is written as SZMW, how is GOLD written in the same code? (a) SKNV (b) UMPX (c) HPME (d) TLOW
- 26.If MILK is written as PLON, how is GOLD written in the same code? (a) JROG (b) DLIA (c) KSPH (d) IQNF
- 27.If BOAT is written as YLZG, how is SHIP written in the same code? (a) GRQJ (b) TIJQ (c) HSRK (d) ITSL
- 28.If CAKE is written as DBLF, how is FROG written in the same code? (a) EQNF (b) HTQI (c) HPSG (d) GSPH
- 29.If SHIP is written as OHGR, how is FISH written in the same code? (a) HSIF (b) ITJG (c) EHRG (d) GRHE
- 30.If WIND is written as VHMC, how is CAKE written in the same code? (a) CAKE (b) AYIC (c) DBLF (d) BZJD
- 31.If KITE is written as LJUF, how is FISH written in the same code? (a) GJTI (b) ITJG (c) HKUJ (d) EHRG
- 32.If NEST is written as LCQR, how is JUMP written in the same code? (a) GRJM (b) LWOR (c) ITLO (d) HSKN
- 33.If SHIP is written as PIHS, how is BALL written in the same code? (a) KKZA (b) MMBC (c) CBMM (d) LLAB
- 34.If PEN is written as NEP, how is FROG written in the same code? (a) GORF (b) GSPH (c) FNQE (d) HPSG
- 35.If RAIN is written as PKCT, how is MOON written in the same code? (a) LMMK (b) PQQO (c) OQQP (d) NOOM
- 36.If GOLD is written as TLOW, how is PEN written in the same code? (a) QFO (b) KVM (c) JUL (d) LWN
- 37.If BOOK is written as DQQM, how is TOYS written in the same code? (a) WRBV (b) RMWQ (c) UPZT (d) VQAU
- 38.If TREE is written as GGTV, how is NEST written in the same code? (a) PGUV (b) VUGP (c) TSEN (d) RQCL
- 39.If NEST is written as TSEN, how is BALL written in the same code? (a) CBMM (b) MMBC (c) LLAB (d) KKZA
- 40.If BOAT is written as UBPC, how is TREE written in the same code? (a) USFF (b) DDQS (c) FFSU (d) EERT
Answer key
- XZPV
- NYPI
- LLEB
- DNIW
- LCQR
- EERT
- DLOG
- SYOT
- XLOW
- LSBQ
- JNNA
- HGZI
- RCTM
- NNCD
- ORLM
- RTM
- RMWQ
- VCE
- WIFN
- CFMM
- MBNQ
- ROCN
- CMZG
- NOOM
- TLOW
- JROG
- HSRK
- GSPH
- GRHE
- BZJD
- GJTI
- HSKN
- LLAB
- GORF
- PQQO
- KVM
- VQAU
- VUGP
- LLAB
- FFSU
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