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 TOYS is written as GLBH, how is BELL written in the same code? (a) YVOO (b) ZWPP (c) XUNN (d) CFMM
- 2.If BOAT is written as TAOB, how is NEST written in the same code? (a) OFTU (b) TSEN (c) UTFO (d) SRDM
- 3.If PEN is written as NEP, how is WIND written in the same code? (a) CMHV (b) XJOE (c) EOJX (d) DNIW
- 4.If FROG is written as GSPH, how is BELL written in the same code? (a) ADKK (b) MMFC (c) CFMM (d) DGNN
- 5.If TOYS is written as SYOT, how is WIND written in the same code? (a) DNIW (b) CMHV (c) XJOE (d) EOJX
- 6.If PARK is written as JQZO, how is WIND written in the same code? (a) VHMC (b) EOJX (c) DNIW (d) CMHV
- 7.If WIND is written as DRMW, how is RAIN written in the same code? (a) HYQL (b) IZRM (c) JASN (d) SBJO
- 8.If DRUM is written as GUXP, how is KITE written in the same code? (a) HFQB (b) MKVG (c) NLWH (d) OMXI
- 9.If WIND is written as DRMW, how is COLD written in the same code? (a) YMPX (b) XLOW (c) WKNV (d) DPME
- 10.If CAKE is written as DBLF, how is WIND written in the same code? (a) EOJX (b) VHMC (c) XJOE (d) YKPF
- 11.If TREE is written as EERT, how is KITE written in the same code? (a) FUJL (b) ETIK (c) LJUF (d) DSHJ
- 12.If DRUM is written as WIFN, how is SUN written in the same code? (a) IGN (b) HFM (c) GEL (d) TVO
- 13.If SHIP is written as RGHO, how is COLD written in the same code? (a) AMJB (b) BNKC (c) DPME (d) COLD
- 14.If BOAT is written as ANZS, how is PEN written in the same code? (a) NCL (b) PEN (c) ODM (d) QFO
- 15.If JUMP is written as HSKN, how is BELL written in the same code? (a) DGNN (b) YBII (c) ZCJJ (d) ADKK
- 16.If DESK is written as LTFE, how is PARK written in the same code? (a) JQZO (b) QBSL (c) LSBQ (d) KRAP
- 17.If DESK is written as WVHP, how is DOG written in the same code? (a) XMU (b) WLT (c) VKS (d) EPH
- 18.If FISH is written as URHS, how is BALL written in the same code? (a) ZAPP (b) CBMM (c) XYNN (d) YZOO
- 19.If TREE is written as GIVV, how is BOAT written in the same code? (a) YLZG (b) XKYF (c) CPBU (d) ZMAH
- 20.If JUMP is written as LWOR, how is CAKE written in the same code? (a) AYIC (b) DBLF (c) ECMG (d) FDNH
- 21.If LION is written as NKQP, how is COLD written in the same code? (a) AMJB (b) DPME (c) EQNF (d) FROG
- 22.If DOG is written as WLT, how is PEN written in the same code? (a) KVM (b) JUL (c) LWN (d) QFO
- 23.If DOG is written as GOD, how is BELL written in the same code? (a) MMFC (b) CFMM (c) KKDA (d) LLEB
- 24.If LAMP is written as OZNK, how is BOAT written in the same code? (a) XKYF (b) CPBU (c) YLZG (d) ZMAH
- 25.If WIND is written as EOJX, how is DRUM written in the same code? (a) ESVN (b) MURD (c) NVSE (d) LTQC
- 26.If BELL is written as MMFC, how is COLD written in the same code? (a) DPME (b) CKNB (c) DLOC (d) EMPD
- 27.If DOG is written as GOD, how is DESK written in the same code? (a) JRDC (b) EFTL (c) LTFE (d) KSED
- 28.If NEST is written as MVHG, how is COLD written in the same code? (a) XLOW (b) WKNV (c) DPME (d) YMPX
- 29.If BOAT is written as YLZG, how is STAR written in the same code? (a) HGZI (b) GFYH (c) IHAJ (d) TUBS
- 30.If DOG is written as WLT, how is STAR written in the same code? (a) GFYH (b) TUBS (c) HGZI (d) IHAJ
- 31.If JUMP is written as QFNK, how is NEST written in the same code? (a) NWIH (b) MVHG (c) LUGF (d) OFTU
- 32.If FISH is written as DGQF, how is CAKE written in the same code? (a) ECMG (b) ZXHB (c) AYIC (d) BZJD
- 33.If KITE is written as PRGV, how is CAT written in the same code? (a) YAH (b) WYF (c) DBU (d) XZG
- 34.If TOYS is written as SYOT, how is DESK written in the same code? (a) EFTL (b) JRDC (c) LTFE (d) KSED
- 35.If SUN is written as VXQ, how is LAMP written in the same code? (a) NCOR (b) IXJM (c) ODPS (d) PEQT
- 36.If BOOK is written as KOOB, how is FISH written in the same code? (a) ITJG (b) GRHE (c) GJTI (d) HSIF
- 37.If STAR is written as HGZI, how is PEN written in the same code? (a) QFO (b) JUL (c) KVM (d) LWN
- 38.If MILK is written as KLIM, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) UPZT (d) SYOT
- 39.If COLD is written as AMJB, how is BOOK written in the same code? (a) DQQM (b) ZMMI (c) YLLH (d) ANNJ
- 40.If HAND is written as DNAH, how is TOYS written in the same code? (a) TZPU (b) RXNS (c) SYOT (d) UPZT
Answer key
- YVOO
- TSEN
- DNIW
- CFMM
- DNIW
- CMHV
- IZRM
- NLWH
- XLOW
- XJOE
- ETIK
- HFM
- BNKC
- ODM
- ZCJJ
- LSBQ
- WLT
- YZOO
- YLZG
- ECMG
- EQNF
- KVM
- LLEB
- YLZG
- NVSE
- EMPD
- KSED
- XLOW
- HGZI
- HGZI
- MVHG
- AYIC
- XZG
- KSED
- ODPS
- HSIF
- KVM
- SYOT
- ZMMI
- SYOT
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