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 CAT written in the same code? (a) SZB (b) DBU (c) UBD (d) TAC
- 2.If CAKE is written as XZPV, how is MILK written in the same code? (a) NROP (b) OSPQ (c) MQNO (d) NJML
- 3.If LAMP is written as OZNK, how is COLD written in the same code? (a) YMPX (b) DPME (c) WKNV (d) XLOW
- 4.If DESK is written as WVHP, how is BOOK written in the same code? (a) YLLP (b) CPPL (c) ZMMQ (d) XKKO
- 5.If CAT is written as XZG, how is JUMP written in the same code? (a) PEMJ (b) RGOL (c) QFNK (d) KVNQ
- 6.If STAR is written as HGZI, how is JUMP written in the same code? (a) RGOL (b) QFNK (c) KVNQ (d) PEMJ
- 7.If LION is written as MNHK, how is TREE written in the same code? (a) EERT (b) SQDD (c) FFSU (d) DDQS
- 8.If KITE is written as PRGV, how is NEST written in the same code? (a) MVHG (b) OFTU (c) LUGF (d) NWIH
- 9.If MILK is written as NROP, how is SUN written in the same code? (a) IGN (b) GEL (c) TVO (d) HFM
- 10.If WIND is written as VHMC, how is KITE written in the same code? (a) KITE (b) IGRC (c) JHSD (d) LJUF
- 11.If DRUM is written as MURD, how is DESK written in the same code? (a) EFTL (b) LTFE (c) JRDC (d) KSED
- 12.If HAND is written as DNAH, how is KITE written in the same code? (a) FUJL (b) ETIK (c) DSHJ (d) LJUF
- 13.If COLD is written as XLOW, how is CAT written in the same code? (a) DBU (b) YAH (c) WYF (d) XZG
- 14.If DRUM is written as OWTF, how is LION written in the same code? (a) NOIL (b) NKQP (c) PQKN (d) LMGJ
- 15.If SHIP is written as QJIT, how is DOG written in the same code? (a) GOD (b) HPE (c) EPH (d) FNC
- 16.If PEN is written as ODM, how is LION written in the same code? (a) KHNM (b) JGML (c) MJPO (d) LION
- 17.If STAR is written as HGZI, how is GOLD written in the same code? (a) TLOW (b) HPME (c) UMPX (d) SKNV
- 18.If FISH is written as URHS, how is RAIN written in the same code? (a) HYQL (b) JASN (c) SBJO (d) IZRM
- 19.If SHIP is written as PIHS, how is MOON written in the same code? (a) NPPO (b) OPPN (c) NOOM (d) MNNL
- 20.If HAND is written as DNAH, how is BOOK written in the same code? (a) JNNA (b) LPPC (c) KOOB (d) CPPL
- 21.If MILK is written as PLON, how is BELL written in the same code? (a) DGNN (b) FIPP (c) EHOO (d) YBII
- 22.If BOOK is written as KOOB, how is MOON written in the same code? (a) OPPN (b) NOOM (c) NPPO (d) MNNL
- 23.If PEN is written as MDO, how is TREE written in the same code? (a) FFSU (b) SQDD (c) EERT (d) DDQS
- 24.If TREE is written as USFF, how is CAT written in the same code? (a) ECV (b) UBD (c) DBU (d) BZS
- 25.If DRUM is written as WIFN, how is HAND written in the same code? (a) IBOE (b) SZMW (c) RYLV (d) TANX
- 26.If COLD is written as AMJB, how is CAT written in the same code? (a) BZS (b) ZXQ (c) AYR (d) ECV
- 27.If BOOK is written as YLLP, how is KITE written in the same code? (a) OQFU (b) PRGV (c) QSHW (d) LJUF
- 28.If LION is written as PQKN, how is MILK written in the same code? (a) IJGK (b) MNKO (c) KLIM (d) OKNM
- 29.If FROG is written as UILT, how is CAT written in the same code? (a) DBU (b) YAH (c) WYF (d) XZG
- 30.If CAT is written as FDW, how is SUN written in the same code? (a) WYR (b) PRK (c) UWP (d) VXQ
- 31.If CAT is written as TAC, how is BOAT written in the same code? (a) UBPC (b) CPBU (c) TAOB (d) SZNA
- 32.If DESK is written as JRDC, how is TOYS written in the same code? (a) TZPU (b) RXNS (c) SNXR (d) SYOT
- 33.If SHIP is written as RKJU, how is NEST written in the same code? (a) PGUV (b) RQCL (c) VUGP (d) TSEN
- 34.If PEN is written as KVM, how is BALL written in the same code? (a) YZOO (b) CBMM (c) ZAPP (d) XYNN
- 35.If BOAT is written as TAOB, how is BELL written in the same code? (a) CFMM (b) KKDA (c) LLEB (d) MMFC
- 36.If TREE is written as EERT, how is NEST written in the same code? (a) SRDM (b) UTFO (c) TSEN (d) OFTU
- 37.If FROG is written as IQTH, how is WIND written in the same code? (a) YKPF (b) BLGU (c) FPKY (d) DNIW
- 38.If TREE is written as FFSU, how is COLD written in the same code? (a) DLOC (b) CKNB (c) EMPD (d) DPME
- 39.If DOG is written as GOD, how is TOYS written in the same code? (a) SYOT (b) UPZT (c) RXNS (d) TZPU
- 40.If TOYS is written as RMWQ, how is RAIN written in the same code? (a) PYGL (b) QZHM (c) OXFK (d) TCKP
Answer key
- TAC
- NROP
- XLOW
- YLLP
- QFNK
- QFNK
- DDQS
- MVHG
- HFM
- JHSD
- KSED
- ETIK
- XZG
- PQKN
- HPE
- KHNM
- TLOW
- IZRM
- NOOM
- KOOB
- EHOO
- NOOM
- DDQS
- DBU
- SZMW
- AYR
- PRGV
- MNKO
- XZG
- VXQ
- TAOB
- RXNS
- VUGP
- YZOO
- LLEB
- TSEN
- FPKY
- EMPD
- SYOT
- PYGL
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