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 DRUM is written as MURD, how is BOAT written in the same code? (a) UBPC (b) SZNA (c) TAOB (d) CPBU
- 2.If STAR is written as QRYP, how is CAT written in the same code? (a) ECV (b) BZS (c) ZXQ (d) AYR
- 3.If LAMP is written as PMAL, how is MOON written in the same code? (a) MNNL (b) NOOM (c) NPPO (d) OPPN
- 4.If DOG is written as GOD, how is FROG written in the same code? (a) GSPH (b) GORF (c) HPSG (d) FNQE
- 5.If MOON is written as NOOM, how is CAKE written in the same code? (a) FLBD (b) EKAC (c) DBLF (d) DJZB
- 6.If PARK is written as LSBQ, how is TOYS written in the same code? (a) TZPU (b) RXNS (c) SYOT (d) UPZT
- 7.If LAMP is written as JYKN, how is SHIP written in the same code? (a) UJKR (b) RGHO (c) PEFM (d) QFGN
- 8.If FROG is written as UILT, how is CAKE written in the same code? (a) YAQW (b) DBLF (c) XZPV (d) WYOU
- 9.If BELL is written as EHOO, how is DRUM written in the same code? (a) GUXP (b) HVYQ (c) AORJ (d) FTWO
- 10.If JUMP is written as QNVK, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) FUJL (d) ETIK
- 11.If PEN is written as RGP, how is SUN written in the same code? (a) QSL (b) TVO (c) VXQ (d) UWP
- 12.If WIND is written as DRMW, how is HAND written in the same code? (a) IBOE (b) RYLV (c) TANX (d) SZMW
- 13.If LION is written as OPJM, how is DESK written in the same code? (a) JRDC (b) EFTL (c) LTFE (d) KSED
- 14.If TREE is written as VTGG, how is RAIN written in the same code? (a) PYGL (b) UDLQ (c) TCKP (d) SBJO
- 15.If SUN is written as NUS, how is TOYS written in the same code? (a) UPZT (b) RXNS (c) SYOT (d) TZPU
- 16.If HAND is written as DNAH, how is FISH written in the same code? (a) GJTI (b) HSIF (c) GRHE (d) ITJG
- 17.If BOOK is written as CPPL, how is CAT written in the same code? (a) ECV (b) UBD (c) BZS (d) DBU
- 18.If COLD is written as DPME, how is CAT written in the same code? (a) ECV (b) BZS (c) DBU (d) UBD
- 19.If SUN is written as OVT, how is STAR written in the same code? (a) TUBS (b) RATS (c) QZSR (d) SBUT
- 20.If SUN is written as OVT, how is BELL written in the same code? (a) KKDA (b) CFMM (c) LLEB (d) MMFC
- 21.If KITE is written as DSHJ, how is SHIP written in the same code? (a) PIHS (b) RGHO (c) QJIT (d) OHGR
- 22.If DESK is written as WVHP, how is MILK written in the same code? (a) NROP (b) NJML (c) OSPQ (d) MQNO
- 23.If SHIP is written as PIHS, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) CPPL (d) KOOB
- 24.If BALL is written as LLAB, how is CAKE written in the same code? (a) DJZB (b) EKAC (c) DBLF (d) FLBD
- 25.If COLD is written as CKNB, how is BELL written in the same code? (a) MMFC (b) ADKK (c) KKDA (d) LLEB
- 26.If JUMP is written as LWOR, how is SUN written in the same code? (a) QSL (b) TVO (c) UWP (d) VXQ
- 27.If TREE is written as USFF, how is TOYS written in the same code? (a) SNXR (b) TZPU (c) VQAU (d) UPZT
- 28.If GOLD is written as TLOW, how is DOG written in the same code? (a) WLT (b) EPH (c) XMU (d) VKS
- 29.If TREE is written as EERT, how is CAKE written in the same code? (a) DJZB (b) DBLF (c) FLBD (d) EKAC
- 30.If BOOK is written as DQQM, how is SUN written in the same code? (a) TVO (b) VXQ (c) QSL (d) UWP
- 31.If DESK is written as KSED, how is SHIP written in the same code? (a) PIHS (b) OHGR (c) QJIT (d) TIJQ
- 32.If FISH is written as URHS, how is TOYS written in the same code? (a) FKAG (b) HMCI (c) UPZT (d) GLBH
- 33.If LION is written as NOIL, how is HAND written in the same code? (a) DNAH (b) CMZG (c) EOBI (d) IBOE
- 34.If FROG is written as FNQE, how is GOLD written in the same code? (a) DLOG (b) CKNF (c) EMPH (d) FNKC
- 35.If DESK is written as WVHP, how is GOLD written in the same code? (a) SKNV (b) TLOW (c) UMPX (d) HPME
- 36.If CAKE is written as EKAC, how is CAT written in the same code? (a) SZB (b) DBU (c) TAC (d) UBD
- 37.If HAND is written as DNAH, how is PARK written in the same code? (a) LSBQ (b) QBSL (c) KRAP (d) JQZO
- 38.If TREE is written as GIVV, how is COLD written in the same code? (a) WKNV (b) DPME (c) YMPX (d) XLOW
- 39.If LION is written as PQKN, how is KITE written in the same code? (a) ETIK (b) MKVG (c) CRGI (d) GVKM
- 40.If GOLD is written as FNKC, how is WIND written in the same code? (a) WIND (b) UGLB (c) VHMC (d) XJOE
Answer key
- TAOB
- AYR
- NOOM
- GORF
- EKAC
- TZPU
- QFGN
- XZPV
- GUXP
- FUJL
- UWP
- SZMW
- LTFE
- TCKP
- SYOT
- HSIF
- DBU
- DBU
- SBUT
- MMFC
- OHGR
- NROP
- KOOB
- EKAC
- KKDA
- UWP
- UPZT
- WLT
- EKAC
- UWP
- PIHS
- GLBH
- DNAH
- CKNF
- TLOW
- TAC
- KRAP
- XLOW
- GVKM
- VHMC
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