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 DOG is written as GRJ, how is TREE written in the same code? (a) QOBB (b) WUHH (c) XVII (d) VTGG
- 2.If DRUM is written as NVSE, how is LION written in the same code? (a) MJPO (b) OPJM (c) NOIL (d) MNHK
- 3.If KITE is written as ETIK, how is MOON written in the same code? (a) MNNL (b) NOOM (c) OPPN (d) NPPO
- 4.If TREE is written as VTGG, how is BELL written in the same code? (a) EHOO (b) ZCJJ (c) CFMM (d) DGNN
- 5.If MOON is written as PQQO, how is DESK written in the same code? (a) IQCB (b) MUGF (c) KSED (d) FGUM
- 6.If BOOK is written as LPPC, how is DOG written in the same code? (a) EPH (b) HPE (c) FNC (d) GOD
- 7.If KITE is written as GVKM, how is GOLD written in the same code? (a) FNQI (b) IQNF (c) DLOG (d) BJME
- 8.If TOYS is written as GLBH, how is RAIN written in the same code? (a) IZRM (b) JASN (c) SBJO (d) HYQL
- 9.If LAMP is written as OZNK, how is TOYS written in the same code? (a) FKAG (b) UPZT (c) HMCI (d) GLBH
- 10.If JUMP is written as PMUJ, how is FROG written in the same code? (a) FNQE (b) HPSG (c) GORF (d) GSPH
- 11.If DOG is written as WLT, how is CAT written in the same code? (a) YAH (b) WYF (c) XZG (d) DBU
- 12.If MOON is written as NOOM, how is DESK written in the same code? (a) KSED (b) EFTL (c) LTFE (d) JRDC
- 13.If PARK is written as KRAP, how is HAND written in the same code? (a) CMZG (b) IBOE (c) DNAH (d) EOBI
- 14.If GOLD is written as DLOG, how is KITE written in the same code? (a) FUJL (b) DSHJ (c) ETIK (d) LJUF
- 15.If STAR is written as UVCT, how is BELL written in the same code? (a) CFMM (b) ZCJJ (c) DGNN (d) EHOO
- 16.If BELL is written as YVOO, how is BALL written in the same code? (a) CBMM (b) XYNN (c) ZAPP (d) YZOO
- 17.If LAMP is written as OZNK, how is SHIP written in the same code? (a) GRQJ (b) TIJQ (c) HSRK (d) ITSL
- 18.If DOG is written as GOD, how is LION written in the same code? (a) OPJM (b) NOIL (c) MNHK (d) MJPO
- 19.If NEST is written as MVHG, how is BOOK written in the same code? (a) YLLP (b) XKKO (c) ZMMQ (d) CPPL
- 20.If CAKE is written as XZPV, how is BOAT written in the same code? (a) XKYF (b) YLZG (c) CPBU (d) ZMAH
- 21.If NEST is written as MVHG, how is COLD written in the same code? (a) DPME (b) XLOW (c) WKNV (d) YMPX
- 22.If STAR is written as QRYP, how is KITE written in the same code? (a) JHSD (b) MKVG (c) HFQB (d) IGRC
- 23.If BELL is written as LLEB, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) DBLF (d) EKAC
- 24.If BOOK is written as KOOB, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) SBJO (d) OJBS
- 25.If BELL is written as KKDA, how is PARK written in the same code? (a) LSBQ (b) OZQJ (c) JQZO (d) KRAP
- 26.If HAND is written as EOBI, how is COLD written in the same code? (a) DPME (b) EMPD (c) DLOC (d) CKNB
- 27.If BOOK is written as KOOB, how is PEN written in the same code? (a) OFQ (b) QFO (c) NEP (d) MDO
- 28.If LAMP is written as NCOR, how is JUMP written in the same code? (a) HSKN (b) MXPS (c) LWOR (d) KVNQ
- 29.If HAND is written as IBOE, how is BALL written in the same code? (a) MMBC (b) CBMM (c) AZKK (d) DCNN
- 30.If KITE is written as PRGV, how is GOLD written in the same code? (a) HPME (b) SKNV (c) UMPX (d) TLOW
- 31.If PARK is written as LSBQ, how is DOG written in the same code? (a) EPH (b) FNC (c) GOD (d) HPE
- 32.If NEST is written as TSEN, how is DRUM written in the same code? (a) ESVN (b) MURD (c) NVSE (d) LTQC
- 33.If PEN is written as KVM, how is DRUM written in the same code? (a) WIFN (b) VHEM (c) XJGO (d) ESVN
- 34.If RAIN is written as PKCT, how is MILK written in the same code? (a) IJGK (b) MNKO (c) KLIM (d) OKNM
- 35.If DESK is written as WVHP, how is HAND written in the same code? (a) IBOE (b) TANX (c) RYLV (d) SZMW
- 36.If TOYS is written as RXNS, how is FROG written in the same code? (a) EQNF (b) GORF (c) HPSG (d) FNQE
- 37.If DESK is written as WVHP, how is BELL written in the same code? (a) XUNN (b) YVOO (c) ZWPP (d) CFMM
- 38.If RAIN is written as IZRM, how is WIND written in the same code? (a) XJOE (b) CQLV (c) DRMW (d) ESNX
- 39.If CAT is written as ECV, how is LAMP written in the same code? (a) NCOR (b) ODPS (c) JYKN (d) MBNQ
- 40.If BOAT is written as UBPC, how is CAKE written in the same code? (a) DBLF (b) FLBD (c) EKAC (d) DJZB
Answer key
- WUHH
- OPJM
- NOOM
- DGNN
- MUGF
- HPE
- FNQI
- IZRM
- GLBH
- GORF
- XZG
- KSED
- DNAH
- ETIK
- DGNN
- YZOO
- HSRK
- NOIL
- YLLP
- YLZG
- XLOW
- IGRC
- EKAC
- NIAR
- JQZO
- EMPD
- NEP
- LWOR
- CBMM
- TLOW
- HPE
- MURD
- WIFN
- MNKO
- SZMW
- FNQE
- YVOO
- DRMW
- NCOR
- FLBD
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