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 MOON is written as PQQO, how is HAND written in the same code? (a) JCPF (b) BLYF (c) DNAH (d) FPCJ
- 2.If PEN is written as NEP, how is CAT written in the same code? (a) UBD (b) SZB (c) TAC (d) DBU
- 3.If BOAT is written as ANZS, how is DRUM written in the same code? (a) BPSK (b) ESVN (c) DRUM (d) CQTL
- 4.If MILK is written as NJML, how is WIND written in the same code? (a) YKPF (b) VHMC (c) EOJX (d) XJOE
- 5.If LION is written as ORLM, how is LAMP written in the same code? (a) MBNQ (b) PAOL (c) NYMJ (d) OZNK
- 6.If DESK is written as KSED, how is BELL written in the same code? (a) MMFC (b) KKDA (c) CFMM (d) LLEB
- 7.If FISH is written as URHS, how is PEN written in the same code? (a) QFO (b) LWN (c) JUL (d) KVM
- 8.If JUMP is written as MXPS, how is MOON written in the same code? (a) QSSR (b) OQQP (c) JLLK (d) PRRQ
- 9.If BELL is written as MMFC, how is DRUM written in the same code? (a) LTQC (b) NVSE (c) MURD (d) ESVN
- 10.If PEN is written as PGR, how is COLD written in the same code? (a) DLOC (b) FNQE (c) BJMA (d) EQNF
- 11.If CAKE is written as DBLF, how is CAT written in the same code? (a) BZS (b) DBU (c) UBD (d) ECV
- 12.If DOG is written as WLT, how is LAMP written in the same code? (a) OZNK (b) NYMJ (c) PAOL (d) MBNQ
- 13.If FISH is written as GRHE, how is PEN written in the same code? (a) NEP (b) ODM (c) OFQ (d) MDO
- 14.If TOYS is written as GLBH, how is FISH written in the same code? (a) GJTI (b) TQGR (c) URHS (d) VSIT
- 15.If BALL is written as MMBC, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) ETIK (d) LJUF
- 16.If HAND is written as IBOE, how is NEST written in the same code? (a) MDRS (b) UTFO (c) PGUV (d) OFTU
- 17.If BOOK is written as KOOB, how is SUN written in the same code? (a) OVT (b) MTR (c) NUS (d) TVO
- 18.If HAND is written as JCPF, how is MOON written in the same code? (a) OQQP (b) PRRQ (c) NPPO (d) KMML
- 19.If NEST is written as OFTU, how is MILK written in the same code? (a) LHKJ (b) NJML (c) LMJN (d) OKNM
- 20.If RAIN is written as UDLQ, how is HAND written in the same code? (a) LERH (b) KDQG (c) EXKA (d) JCPF
- 21.If SHIP is written as HSRK, how is DESK written in the same code? (a) EFTL (b) VUGO (c) XWIQ (d) WVHP
- 22.If PEN is written as KVM, how is FISH written in the same code? (a) URHS (b) GJTI (c) TQGR (d) VSIT
- 23.If CAT is written as BZS, how is SHIP written in the same code? (a) QFGN (b) TIJQ (c) SHIP (d) RGHO
- 24.If DOG is written as IQF, how is NEST written in the same code? (a) VUGP (b) PGUV (c) RQCL (d) TSEN
- 25.If LION is written as MJPO, how is NEST written in the same code? (a) MDRS (b) UTFO (c) OFTU (d) PGUV
- 26.If MILK is written as KLIM, how is WIND written in the same code? (a) EOJX (b) CMHV (c) DNIW (d) XJOE
- 27.If DESK is written as WVHP, how is LION written in the same code? (a) MJPO (b) NQKL (c) ORLM (d) PSMN
- 28.If NEST is written as PGUV, how is HAND written in the same code? (a) JCPF (b) FYLB (c) KDQG (d) IBOE
- 29.If FROG is written as EQNF, how is BOOK written in the same code? (a) BOOK (b) CPPL (c) ZMMI (d) ANNJ
- 30.If DRUM is written as LTQC, how is FROG written in the same code? (a) FNQE (b) GORF (c) EQNF (d) HPSG
- 31.If SUN is written as OVT, how is GOLD written in the same code? (a) EMPH (b) DLOG (c) CKNF (d) HPME
- 32.If FISH is written as HKUJ, how is STAR written in the same code? (a) QRYP (b) TUBS (c) UVCT (d) VWDU
- 33.If PARK is written as KRAP, how is DOG written in the same code? (a) GOD (b) EPH (c) HPE (d) FNC
- 34.If NEST is written as UTFO, how is FROG written in the same code? (a) HPSG (b) GSPH (c) FNQE (d) GORF
- 35.If DRUM is written as WIFN, how is CAT written in the same code? (a) XZG (b) DBU (c) WYF (d) YAH
- 36.If BALL is written as YZOO, how is CAKE written in the same code? (a) YAQW (b) WYOU (c) XZPV (d) DBLF
- 37.If WIND is written as DRMW, how is MOON written in the same code? (a) MKKL (b) NPPO (c) NLLM (d) OMMN
- 38.If SUN is written as PWU, how is RAIN written in the same code? (a) NIAR (b) PKCT (c) LGYP (d) TCKP
- 39.If DRUM is written as WIFN, how is BOOK written in the same code? (a) XKKO (b) ZMMQ (c) YLLP (d) CPPL
- 40.If TOYS is written as RMWQ, how is LION written in the same code? (a) IFLK (b) KHNM (c) NKQP (d) JGML
Answer key
- FPCJ
- TAC
- CQTL
- XJOE
- OZNK
- LLEB
- KVM
- PRRQ
- NVSE
- FNQE
- DBU
- OZNK
- MDO
- URHS
- FUJL
- OFTU
- NUS
- OQQP
- NJML
- KDQG
- WVHP
- URHS
- RGHO
- VUGP
- OFTU
- DNIW
- ORLM
- JCPF
- ANNJ
- FNQE
- EMPH
- UVCT
- GOD
- HPSG
- XZG
- XZPV
- NLLM
- PKCT
- YLLP
- JGML
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