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 HAND is written as DNAH, how is CAKE written in the same code? (a) FLBD (b) DBLF (c) DJZB (d) EKAC
- 2.If LION is written as NKQP, how is LAMP written in the same code? (a) JYKN (b) ODPS (c) NCOR (d) MBNQ
- 3.If PEN is written as OFQ, how is RAIN written in the same code? (a) MHZQ (b) NIAR (c) OJBS (d) SBJO
- 4.If TOYS is written as SYOT, how is CAKE written in the same code? (a) DBLF (b) DJZB (c) EKAC (d) FLBD
- 5.If COLD is written as DLOC, how is BELL written in the same code? (a) KKDA (b) CFMM (c) LLEB (d) MMFC
- 6.If DRUM is written as OWTF, how is FISH written in the same code? (a) HKUJ (b) HSIF (c) JUKH (d) FQGD
- 7.If BELL is written as YVOO, how is DESK written in the same code? (a) EFTL (b) VUGO (c) XWIQ (d) WVHP
- 8.If GOLD is written as FNKC, how is BALL written in the same code? (a) CBMM (b) BALL (c) ZYJJ (d) AZKK
- 9.If MILK is written as KLIM, how is HAND written in the same code? (a) DNAH (b) IBOE (c) EOBI (d) CMZG
- 10.If MOON is written as PRRQ, how is MILK written in the same code? (a) QMPO (b) OKNM (c) JFIH (d) PLON
- 11.If DRUM is written as MURD, how is TREE written in the same code? (a) DDQS (b) EERT (c) FFSU (d) USFF
- 12.If JUMP is written as PMUJ, how is COLD written in the same code? (a) CKNB (b) DLOC (c) DPME (d) EMPD
- 13.If MILK is written as PLON, how is PEN written in the same code? (a) SHQ (b) RGP (c) TIR (d) MBK
- 14.If GOLD is written as FNQI, how is SUN written in the same code? (a) LSQ (b) PWU (c) NUS (d) UWP
- 15.If RAIN is written as NIAR, how is BOOK written in the same code? (a) CPPL (b) LPPC (c) KOOB (d) JNNA
- 16.If BOAT is written as TAOB, how is TOYS written in the same code? (a) RXNS (b) SYOT (c) TZPU (d) UPZT
- 17.If STAR is written as TCVU, how is LION written in the same code? (a) NOIL (b) PQKN (c) NKQP (d) LMGJ
- 18.If DESK is written as KSED, how is SUN written in the same code? (a) OVT (b) TVO (c) NUS (d) MTR
- 19.If KITE is written as PRGV, how is COLD written in the same code? (a) DPME (b) XLOW (c) YMPX (d) WKNV
- 20.If WIND is written as DNIW, how is JUMP written in the same code? (a) OLTI (b) PMUJ (c) KVNQ (d) QNVK
- 21.If DRUM is written as LTQC, how is NEST written in the same code? (a) MDRS (b) UTFO (c) SRDM (d) TSEN
- 22.If PEN is written as NEP, how is SHIP written in the same code? (a) OHGR (b) QJIT (c) PIHS (d) TIJQ
- 23.If DRUM is written as MURD, how is DOG written in the same code? (a) HPE (b) GOD (c) EPH (d) FNC
- 24.If LAMP is written as PMAL, how is NEST written in the same code? (a) UTFO (b) TSEN (c) SRDM (d) OFTU
- 25.If COLD is written as FROG, how is MILK written in the same code? (a) QMPO (b) OKNM (c) PLON (d) JFIH
- 26.If JUMP is written as QFNK, how is TOYS written in the same code? (a) HMCI (b) FKAG (c) GLBH (d) UPZT
- 27.If SUN is written as TVO, how is LAMP written in the same code? (a) QNBM (b) NCOR (c) MBNQ (d) KZLO
- 28.If DRUM is written as BPSK, how is SUN written in the same code? (a) UWP (b) RTM (c) QSL (d) PRK
- 29.If BOOK is written as KOOB, how is DESK written in the same code? (a) LTFE (b) JRDC (c) KSED (d) EFTL
- 30.If JUMP is written as PMUJ, how is LION written in the same code? (a) MNHK (b) OPJM (c) NOIL (d) MJPO
- 31.If CAT is written as FDW, how is BOOK written in the same code? (a) FSSO (b) ERRN (c) DQQM (d) YLLH
- 32.If CAKE is written as XZPV, how is CAT written in the same code? (a) WYF (b) XZG (c) YAH (d) DBU
- 33.If DOG is written as WLT, how is SHIP written in the same code? (a) HSRK (b) ITSL (c) GRQJ (d) TIJQ
- 34.If BOAT is written as ANZS, how is PARK written in the same code? (a) OZQJ (b) QBSL (c) NYPI (d) PARK
- 35.If TREE is written as DDQS, how is BALL written in the same code? (a) MMBC (b) LLAB (c) AZKK (d) KKZA
- 36.If FISH is written as URHS, how is CAKE written in the same code? (a) XZPV (b) YAQW (c) DBLF (d) WYOU
- 37.If TOYS is written as RMWQ, how is STAR written in the same code? (a) UVCT (b) QRYP (c) RSZQ (d) PQXO
- 38.If BELL is written as LLEB, how is HAND written in the same code? (a) DNAH (b) CMZG (c) EOBI (d) IBOE
- 39.If COLD is written as EQNF, how is SUN written in the same code? (a) QSL (b) TVO (c) VXQ (d) UWP
- 40.If BELL is written as YVOO, how is BOOK written in the same code? (a) XKKO (b) ZMMQ (c) CPPL (d) YLLP
Answer key
- EKAC
- NCOR
- OJBS
- EKAC
- LLEB
- JUKH
- WVHP
- AZKK
- DNAH
- PLON
- EERT
- DLOC
- SHQ
- PWU
- KOOB
- SYOT
- PQKN
- NUS
- XLOW
- PMUJ
- SRDM
- PIHS
- GOD
- TSEN
- PLON
- GLBH
- MBNQ
- QSL
- KSED
- NOIL
- ERRN
- XZG
- HSRK
- OZQJ
- KKZA
- XZPV
- QRYP
- DNAH
- UWP
- YLLP
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