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 LION is written as OLRQ, how is BOAT written in the same code? (a) YLXQ (b) ERDW (c) DQCV (d) FSEX
- 2.If PEN is written as RGP, how is HAND written in the same code? (a) KDQG (b) FYLB (c) JCPF (d) IBOE
- 3.If LAMP is written as OZNK, how is DRUM written in the same code? (a) VHEM (b) WIFN (c) ESVN (d) XJGO
- 4.If KITE is written as NLWH, how is MOON written in the same code? (a) JLLK (b) QSSR (c) OQQP (d) PRRQ
- 5.If SHIP is written as RGHO, how is PEN written in the same code? (a) ODM (b) QFO (c) NCL (d) PEN
- 6.If BOOK is written as KOOB, how is COLD written in the same code? (a) EMPD (b) CKNB (c) DLOC (d) DPME
- 7.If GOLD is written as DLOG, how is MILK written in the same code? (a) LMJN (b) NJML (c) JKHL (d) KLIM
- 8.If FROG is written as UILT, how is TOYS written in the same code? (a) FKAG (b) UPZT (c) HMCI (d) GLBH
- 9.If BELL is written as NNGD, how is JUMP written in the same code? (a) NKSH (b) LWOR (c) ROWL (d) PMUJ
- 10.If TREE is written as VTGG, how is DESK written in the same code? (a) EFTL (b) BCQI (c) FGUM (d) GHVN
- 11.If FROG is written as HTQI, how is GOLD written in the same code? (a) JROG (b) IQNF (c) HPME (d) EMJB
- 12.If PARK is written as LSBQ, how is STAR written in the same code? (a) TUBS (b) SBUT (c) RATS (d) QZSR
- 13.If COLD is written as EMPD, how is STAR written in the same code? (a) QZSR (b) RATS (c) TUBS (d) SBUT
- 14.If PEN is written as NEP, how is PARK written in the same code? (a) JQZO (b) LSBQ (c) QBSL (d) KRAP
- 15.If BALL is written as ZYJJ, how is SUN written in the same code? (a) UWP (b) PRK (c) RTM (d) QSL
- 16.If SUN is written as NUS, how is BOOK written in the same code? (a) JNNA (b) LPPC (c) CPPL (d) KOOB
- 17.If JUMP is written as OLTI, how is GOLD written in the same code? (a) DLOG (b) EMPH (c) CKNF (d) FNKC
- 18.If HAND is written as EOBI, how is LAMP written in the same code? (a) QNBM (b) MBNQ (c) OLZK (d) PMAL
- 19.If PEN is written as NEP, how is TOYS written in the same code? (a) SYOT (b) RXNS (c) TZPU (d) UPZT
- 20.If TOYS is written as GLBH, how is SHIP written in the same code? (a) HSRK (b) ITSL (c) TIJQ (d) GRQJ
- 21.If STAR is written as HGZI, how is NEST written in the same code? (a) OFTU (b) NWIH (c) MVHG (d) LUGF
- 22.If BELL is written as CFMM, how is BALL written in the same code? (a) AZKK (b) DCNN (c) MMBC (d) CBMM
- 23.If GOLD is written as EMPH, how is SHIP written in the same code? (a) PIHS (b) OHGR (c) QJIT (d) TIJQ
- 24.If MILK is written as KLIM, how is BELL written in the same code? (a) MMFC (b) LLEB (c) KKDA (d) CFMM
- 25.If STAR is written as TUBS, how is WIND written in the same code? (a) EOJX (b) VHMC (c) XJOE (d) YKPF
- 26.If TREE is written as GIVV, how is MOON written in the same code? (a) MKKL (b) OMMN (c) NPPO (d) NLLM
- 27.If RAIN is written as NIAR, how is FROG written in the same code? (a) HPSG (b) GSPH (c) GORF (d) FNQE
- 28.If GOLD is written as EMPH, how is LAMP written in the same code? (a) OLZK (b) QNBM (c) PMAL (d) MBNQ
- 29.If FROG is written as HTQI, how is NEST written in the same code? (a) LCQR (b) OFTU (c) PGUV (d) QHVW
- 30.If SUN is written as QSL, how is DOG written in the same code? (a) CNF (b) BME (c) ALD (d) FQI
- 31.If DESK is written as WVHP, how is NEST written in the same code? (a) OFTU (b) NWIH (c) LUGF (d) MVHG
- 32.If SUN is written as NUS, how is FISH written in the same code? (a) GRHE (b) ITJG (c) GJTI (d) HSIF
- 33.If MILK is written as NROP, how is SUN written in the same code? (a) IGN (b) TVO (c) HFM (d) GEL
- 34.If MILK is written as KLIM, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) FUJL (d) LJUF
- 35.If JUMP is written as HSKN, how is HAND written in the same code? (a) GZMC (b) JCPF (c) FYLB (d) EXKA
- 36.If CAT is written as UBD, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) LJUF (d) FUJL
- 37.If PARK is written as KRAP, how is COLD written in the same code? (a) CKNB (b) DPME (c) DLOC (d) EMPD
- 38.If LION is written as JGML, how is SHIP written in the same code? (a) PEFM (b) UJKR (c) QFGN (d) RGHO
- 39.If BOAT is written as YLZG, how is GOLD written in the same code? (a) SKNV (b) UMPX (c) TLOW (d) HPME
- 40.If WIND is written as DRMW, how is LION written in the same code? (a) NQKL (b) ORLM (c) MJPO (d) PSMN
Answer key
- ERDW
- JCPF
- WIFN
- PRRQ
- ODM
- DLOC
- KLIM
- GLBH
- ROWL
- FGUM
- IQNF
- SBUT
- SBUT
- KRAP
- QSL
- KOOB
- CKNF
- QNBM
- SYOT
- HSRK
- MVHG
- CBMM
- QJIT
- LLEB
- XJOE
- NLLM
- GORF
- QNBM
- PGUV
- BME
- MVHG
- HSIF
- HFM
- ETIK
- FYLB
- FUJL
- DLOC
- QFGN
- TLOW
- ORLM
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