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 STAR is written as RATS, how is KITE written in the same code? (a) FUJL (b) DSHJ (c) ETIK (d) LJUF
- 2.If NEST is written as SRDM, how is BALL written in the same code? (a) LLAB (b) MMBC (c) KKZA (d) AZKK
- 3.If SUN is written as PWU, how is COLD written in the same code? (a) EQNF (b) BJMA (c) FNQE (d) DLOC
- 4.If DESK is written as MUGF, how is PARK written in the same code? (a) IPYN (b) MTCR (c) RCTM (d) KRAP
- 5.If LION is written as ORLM, how is PARK written in the same code? (a) LAJQ (b) KZIP (c) JYHO (d) QBSL
- 6.If CAKE is written as EKAC, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) OHGR (d) PIHS
- 7.If GOLD is written as FNKC, how is BOOK written in the same code? (a) BOOK (b) ZMMI (c) CPPL (d) ANNJ
- 8.If HAND is written as DNAH, how is BELL written in the same code? (a) KKDA (b) MMFC (c) LLEB (d) CFMM
- 9.If BELL is written as CFMM, how is MILK written in the same code? (a) OKNM (b) LHKJ (c) LMJN (d) NJML
- 10.If BOOK is written as ERRN, how is WIND written in the same code? (a) ZLQG (b) AMRH (c) YKPF (d) TFKA
- 11.If NEST is written as MVHG, how is DESK written in the same code? (a) VUGO (b) EFTL (c) WVHP (d) XWIQ
- 12.If PARK is written as JQZO, how is GOLD written in the same code? (a) DLOG (b) CKNF (c) FNKC (d) EMPH
- 13.If FISH is written as HSIF, how is BOAT written in the same code? (a) SZNA (b) TAOB (c) CPBU (d) UBPC
- 14.If KITE is written as JHSD, how is LION written in the same code? (a) MJPO (b) KHNM (c) LION (d) JGML
- 15.If CAKE is written as XZPV, how is FISH written in the same code? (a) URHS (b) GJTI (c) TQGR (d) VSIT
- 16.If COLD is written as XLOW, how is CAT written in the same code? (a) WYF (b) XZG (c) YAH (d) DBU
- 17.If HAND is written as FPCJ, how is PEN written in the same code? (a) NEP (b) RGP (c) PGR (d) LCN
- 18.If LION is written as NOIL, how is PEN written in the same code? (a) NEP (b) QFO (c) MDO (d) OFQ
- 19.If RAIN is written as NIAR, how is BOAT written in the same code? (a) TAOB (b) UBPC (c) SZNA (d) CPBU
- 20.If BOAT is written as TAOB, how is WIND written in the same code? (a) DNIW (b) EOJX (c) CMHV (d) XJOE
- 21.If BOOK is written as KOOB, how is PARK written in the same code? (a) QBSL (b) KRAP (c) JQZO (d) LSBQ
- 22.If DOG is written as IQF, how is COLD written in the same code? (a) DLOC (b) EQNF (c) FNQE (d) BJMA
- 23.If COLD is written as XLOW, how is SHIP written in the same code? (a) TIJQ (b) HSRK (c) ITSL (d) GRQJ
- 24.If HAND is written as IBOE, how is WIND written in the same code? (a) XJOE (b) EOJX (c) YKPF (d) VHMC
- 25.If JUMP is written as QFNK, how is SUN written in the same code? (a) IGN (b) GEL (c) HFM (d) TVO
- 26.If DRUM is written as WIFN, how is DOG written in the same code? (a) WLT (b) VKS (c) EPH (d) XMU
- 27.If SUN is written as RTM, how is GOLD written in the same code? (a) FNKC (b) EMJB (c) HPME (d) GOLD
- 28.If COLD is written as EMPD, how is LION written in the same code? (a) MNHK (b) NOIL (c) OPJM (d) MJPO
- 29.If KITE is written as PRGV, how is WIND written in the same code? (a) ESNX (b) DRMW (c) CQLV (d) XJOE
- 30.If LION is written as NOIL, how is KITE written in the same code? (a) FUJL (b) DSHJ (c) LJUF (d) ETIK
- 31.If TREE is written as FFSU, how is BELL written in the same code? (a) KKDA (b) CFMM (c) MMFC (d) LLEB
- 32.If GOLD is written as DLOG, how is DRUM written in the same code? (a) NVSE (b) ESVN (c) MURD (d) LTQC
- 33.If DRUM is written as NVSE, how is LION written in the same code? (a) OPJM (b) MNHK (c) NOIL (d) MJPO
- 34.If COLD is written as XLOW, how is MOON written in the same code? (a) OMMN (b) NPPO (c) MKKL (d) NLLM
- 35.If BALL is written as ZYJJ, how is COLD written in the same code? (a) ZLIA (b) EQNF (c) BNKC (d) AMJB
- 36.If STAR is written as QZSR, how is PEN written in the same code? (a) NEP (b) OFQ (c) ODM (d) MDO
- 37.If TREE is written as GGTV, how is PEN written in the same code? (a) PGR (b) NEP (c) RGP (d) LCN
- 38.If FISH is written as ITJG, how is JUMP written in the same code? (a) PMUJ (b) KVNQ (c) QNVK (d) OLTI
- 39.If MOON is written as NLLM, how is JUMP written in the same code? (a) QFNK (b) RGOL (c) PEMJ (d) KVNQ
- 40.If NEST is written as SRDM, how is FISH written in the same code? (a) ITJG (b) GRHE (c) EHRG (d) HSIF
Answer key
- ETIK
- KKZA
- FNQE
- MTCR
- KZIP
- PIHS
- ANNJ
- LLEB
- NJML
- ZLQG
- WVHP
- CKNF
- TAOB
- KHNM
- URHS
- XZG
- PGR
- NEP
- TAOB
- DNIW
- KRAP
- FNQE
- HSRK
- XJOE
- HFM
- WLT
- FNKC
- OPJM
- DRMW
- ETIK
- MMFC
- MURD
- OPJM
- NLLM
- AMJB
- MDO
- PGR
- QNVK
- QFNK
- GRHE
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