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 LAMP is written as OZNK, how is BELL written in the same code? (a) ZWPP (b) CFMM (c) YVOO (d) XUNN
- 2.If JUMP is written as QNVK, how is COLD written in the same code? (a) DPME (b) EMPD (c) CKNB (d) DLOC
- 3.If FISH is written as ITJG, how is HAND written in the same code? (a) EOBI (b) DNAH (c) IBOE (d) CMZG
- 4.If GOLD is written as TLOW, how is CAT written in the same code? (a) DBU (b) XZG (c) YAH (d) WYF
- 5.If WIND is written as UGLB, how is LAMP written in the same code? (a) NCOR (b) IXJM (c) JYKN (d) KZLO
- 6.If STAR is written as RATS, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) UPZT (d) SYOT
- 7.If SUN is written as MTR, how is TREE written in the same code? (a) DDQS (b) SQDD (c) FFSU (d) EERT
- 8.If COLD is written as EMPD, how is BOAT written in the same code? (a) UBPC (b) SZNA (c) TAOB (d) CPBU
- 9.If RAIN is written as OJBS, how is TREE written in the same code? (a) EERT (b) FFSU (c) USFF (d) DDQS
- 10.If RAIN is written as NIAR, how is CAKE written in the same code? (a) EKAC (b) FLBD (c) DBLF (d) DJZB
- 11.If DOG is written as IQF, how is HAND written in the same code? (a) DNAH (b) BLYF (c) JCPF (d) FPCJ
- 12.If SHIP is written as QFGN, how is MILK written in the same code? (a) JFIH (b) OKNM (c) KGJI (d) LHKJ
- 13.If DRUM is written as WIFN, how is CAKE written in the same code? (a) WYOU (b) DBLF (c) YAQW (d) XZPV
- 14.If PARK is written as LSBQ, how is BALL written in the same code? (a) MMBC (b) KKZA (c) LLAB (d) CBMM
- 15.If PARK is written as LSBQ, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) TIJQ (d) PIHS
- 16.If TOYS is written as SYOT, how is HAND written in the same code? (a) EOBI (b) DNAH (c) IBOE (d) CMZG
- 17.If KITE is written as LJUF, how is GOLD written in the same code? (a) EMPH (b) FNKC (c) IQNF (d) HPME
- 18.If DRUM is written as LTQC, how is DESK written in the same code? (a) CDRJ (b) KSED (c) JRDC (d) LTFE
- 19.If DOG is written as WLT, how is NEST written in the same code? (a) MVHG (b) NWIH (c) OFTU (d) LUGF
- 20.If HAND is written as SZMW, how is LION written in the same code? (a) MJPO (b) PSMN (c) NQKL (d) ORLM
- 21.If DRUM is written as CQTL, how is BOOK written in the same code? (a) CPPL (b) BOOK (c) ZMMI (d) ANNJ
- 22.If WIND is written as DNIW, how is BELL written in the same code? (a) MMFC (b) CFMM (c) LLEB (d) KKDA
- 23.If TOYS is written as GLBH, how is DESK written in the same code? (a) EFTL (b) WVHP (c) XWIQ (d) VUGO
- 24.If JUMP is written as PMUJ, how is COLD written in the same code? (a) DPME (b) CKNB (c) EMPD (d) DLOC
- 25.If MILK is written as JKHL, how is CAT written in the same code? (a) TAC (b) BZS (c) SZB (d) UBD
- 26.If JUMP is written as PMUJ, how is MOON written in the same code? (a) OPPN (b) NPPO (c) NOOM (d) MNNL
- 27.If BALL is written as DCNN, how is STAR written in the same code? (a) VWDU (b) QRYP (c) UVCT (d) TUBS
- 28.If JUMP is written as QFNK, how is PEN written in the same code? (a) KVM (b) JUL (c) LWN (d) QFO
- 29.If CAKE is written as GMCE, how is DESK written in the same code? (a) KSED (b) FGUM (c) IQCB (d) MUGF
- 30.If DESK is written as LTFE, how is BELL written in the same code? (a) LLEB (b) KKDA (c) MMFC (d) CFMM
- 31.If LION is written as NKQP, how is LAMP written in the same code? (a) NCOR (b) JYKN (c) ODPS (d) MBNQ
- 32.If GOLD is written as TLOW, how is BOAT written in the same code? (a) XKYF (b) ZMAH (c) CPBU (d) YLZG
- 33.If TOYS is written as UAQV, how is LAMP written in the same code? (a) PMAL (b) NCOR (c) ROCN (d) NKYJ
- 34.If BOOK is written as LPPC, how is HAND written in the same code? (a) CMZG (b) IBOE (c) EOBI (d) DNAH
- 35.If TOYS is written as SYOT, how is FROG written in the same code? (a) GORF (b) FNQE (c) HPSG (d) GSPH
- 36.If DOG is written as CNF, how is MILK written in the same code? (a) KGJI (b) MILK (c) NJML (d) LHKJ
- 37.If DRUM is written as FTWO, how is FROG written in the same code? (a) DPME (b) IURJ (c) GSPH (d) HTQI
- 38.If JUMP is written as PMUJ, how is HAND written in the same code? (a) DNAH (b) CMZG (c) EOBI (d) IBOE
- 39.If PEN is written as SHQ, how is GOLD written in the same code? (a) KSPH (b) IQNF (c) DLIA (d) JROG
- 40.If NEST is written as MVHG, how is DRUM written in the same code? (a) VHEM (b) ESVN (c) WIFN (d) XJGO
Answer key
- YVOO
- EMPD
- EOBI
- XZG
- JYKN
- SYOT
- DDQS
- UBPC
- FFSU
- EKAC
- FPCJ
- KGJI
- XZPV
- MMBC
- QJIT
- DNAH
- HPME
- JRDC
- MVHG
- ORLM
- ANNJ
- LLEB
- WVHP
- DLOC
- SZB
- NOOM
- UVCT
- KVM
- MUGF
- MMFC
- NCOR
- YLZG
- ROCN
- EOBI
- GORF
- LHKJ
- HTQI
- DNAH
- JROG
- WIFN
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