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 BELL is written as NNGD, how is WIND written in the same code? (a) BLGU (b) YKPF (c) FPKY (d) DNIW
- 2.If RAIN is written as NIAR, how is FISH written in the same code? (a) ITJG (b) GRHE (c) GJTI (d) HSIF
- 3.If BELL is written as LLEB, how is SHIP written in the same code? (a) OHGR (b) QJIT (c) TIJQ (d) PIHS
- 4.If SUN is written as NUS, how is KITE written in the same code? (a) FUJL (b) LJUF (c) DSHJ (d) ETIK
- 5.If STAR is written as VWDU, how is MOON written in the same code? (a) QSSR (b) OQQP (c) JLLK (d) PRRQ
- 6.If DRUM is written as NVSE, how is PEN written in the same code? (a) MDO (b) NEP (c) OFQ (d) QFO
- 7.If NEST is written as TSEN, how is MILK written in the same code? (a) NJML (b) LMJN (c) KLIM (d) JKHL
- 8.If KITE is written as ETIK, how is COLD written in the same code? (a) EMPD (b) CKNB (c) DLOC (d) DPME
- 9.If GOLD is written as DLOG, how is CAKE written in the same code? (a) EKAC (b) FLBD (c) DJZB (d) DBLF
- 10.If COLD is written as AMJB, how is CAT written in the same code? (a) ZXQ (b) BZS (c) AYR (d) ECV
- 11.If PEN is written as QFO, how is KITE written in the same code? (a) MKVG (b) JHSD (c) FUJL (d) LJUF
- 12.If SUN is written as PWU, how is PEN written in the same code? (a) LCN (b) NEP (c) RGP (d) PGR
- 13.If JUMP is written as QNVK, how is BALL written in the same code? (a) MMBC (b) CBMM (c) KKZA (d) LLAB
- 14.If BOAT is written as SZNA, how is FISH written in the same code? (a) ITJG (b) EHRG (c) HSIF (d) GRHE
- 15.If KITE is written as NLWH, how is FROG written in the same code? (a) COLD (b) HTQI (c) JVSK (d) IURJ
- 16.If COLD is written as DLOC, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) FUJL (d) LJUF
- 17.If TREE is written as EERT, how is DRUM written in the same code? (a) LTQC (b) ESVN (c) MURD (d) NVSE
- 18.If RAIN is written as NIAR, how is GOLD written in the same code? (a) HPME (b) EMPH (c) DLOG (d) CKNF
- 19.If KITE is written as GVKM, how is PEN written in the same code? (a) LCN (b) RGP (c) PGR (d) NEP
- 20.If RAIN is written as NIAR, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) LJUF (d) ETIK
- 21.If FROG is written as GSPH, how is PEN written in the same code? (a) ODM (b) RGP (c) OFQ (d) QFO
- 22.If COLD is written as XLOW, how is TREE written in the same code? (a) GIVV (b) HJWW (c) USFF (d) FHUU
- 23.If HAND is written as SZMW, how is SUN written in the same code? (a) GEL (b) TVO (c) IGN (d) HFM
- 24.If NEST is written as QHVW, how is HAND written in the same code? (a) JCPF (b) LERH (c) KDQG (d) EXKA
- 25.If PARK is written as KZIP, how is GOLD written in the same code? (a) SKNV (b) UMPX (c) HPME (d) TLOW
- 26.If LION is written as NOIL, how is SHIP written in the same code? (a) TIJQ (b) OHGR (c) QJIT (d) PIHS
- 27.If TOYS is written as GLBH, how is COLD written in the same code? (a) XLOW (b) WKNV (c) DPME (d) YMPX
- 28.If BELL is written as KKDA, how is FROG written in the same code? (a) HPSG (b) EQNF (c) GORF (d) FNQE
- 29.If COLD is written as DLOC, how is CAT written in the same code? (a) TAC (b) UBD (c) DBU (d) SZB
- 30.If TREE is written as GGTV, how is KITE written in the same code? (a) MKVG (b) ETIK (c) CRGI (d) GVKM
- 31.If NEST is written as UTFO, how is BOOK written in the same code? (a) CPPL (b) LPPC (c) JNNA (d) KOOB
- 32.If NEST is written as TSEN, how is STAR written in the same code? (a) RATS (b) TUBS (c) SBUT (d) QZSR
- 33.If STAR is written as SBUT, how is WIND written in the same code? (a) EOJX (b) XJOE (c) DNIW (d) CMHV
- 34.If DESK is written as JRDC, how is NEST written in the same code? (a) UTFO (b) TSEN (c) SRDM (d) MDRS
- 35.If SUN is written as TVO, how is MILK written in the same code? (a) LHKJ (b) NJML (c) OKNM (d) LMJN
- 36.If TOYS is written as RMWQ, how is MILK written in the same code? (a) LHKJ (b) KGJI (c) OKNM (d) JFIH
- 37.If DRUM is written as WIFN, how is MILK written in the same code? (a) OSPQ (b) NROP (c) MQNO (d) NJML
- 38.If PEN is written as KVM, how is LION written in the same code? (a) NQKL (b) PSMN (c) MJPO (d) ORLM
- 39.If DOG is written as GOD, how is MOON written in the same code? (a) MNNL (b) NPPO (c) OPPN (d) NOOM
- 40.If FROG is written as DPME, how is BOOK written in the same code? (a) ANNJ (b) YLLH (c) ZMMI (d) DQQM
Answer key
- FPKY
- HSIF
- PIHS
- ETIK
- PRRQ
- OFQ
- KLIM
- DLOC
- EKAC
- AYR
- LJUF
- PGR
- MMBC
- GRHE
- IURJ
- ETIK
- MURD
- DLOG
- PGR
- ETIK
- QFO
- GIVV
- HFM
- KDQG
- TLOW
- PIHS
- XLOW
- FNQE
- TAC
- GVKM
- LPPC
- RATS
- EOJX
- SRDM
- NJML
- KGJI
- NROP
- ORLM
- NOOM
- ZMMI
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