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 SHIP is written as HSRK, how is MILK written in the same code? (a) NJML (b) OSPQ (c) MQNO (d) NROP
- 2.If BOAT is written as UBPC, how is DOG written in the same code? (a) FNC (b) GOD (c) HPE (d) EPH
- 3.If TOYS is written as SNXR, how is JUMP written in the same code? (a) ITLO (b) KVNQ (c) JUMP (d) HSKN
- 4.If GOLD is written as HPME, how is WIND written in the same code? (a) XJOE (b) EOJX (c) VHMC (d) YKPF
- 5.If NEST is written as QHVW, how is LAMP written in the same code? (a) ODPS (b) NCOR (c) PEQT (d) IXJM
- 6.If GOLD is written as JROG, how is COLD written in the same code? (a) ZLIA (b) GSPH (c) FROG (d) EQNF
- 7.If BALL is written as CBMM, how is DOG written in the same code? (a) EPH (b) HPE (c) CNF (d) FQI
- 8.If DOG is written as HPE, how is BELL written in the same code? (a) CFMM (b) KKDA (c) MMFC (d) LLEB
- 9.If TOYS is written as SYOT, how is CAT written in the same code? (a) TAC (b) DBU (c) SZB (d) UBD
- 10.If JUMP is written as PMUJ, how is TOYS written in the same code? (a) UPZT (b) RXNS (c) TZPU (d) SYOT
- 11.If LAMP is written as ROCN, how is NEST written in the same code? (a) RQCL (b) PGUV (c) TSEN (d) VUGP
- 12.If BOAT is written as VCQD, how is DRUM written in the same code? (a) FTWO (b) MURD (c) OWTF (d) KSPB
- 13.If JUMP is written as QFNK, how is COLD written in the same code? (a) DPME (b) YMPX (c) XLOW (d) WKNV
- 14.If JUMP is written as QFNK, how is LAMP written in the same code? (a) MBNQ (b) OZNK (c) PAOL (d) NYMJ
- 15.If PEN is written as KVM, how is MILK written in the same code? (a) OSPQ (b) NROP (c) MQNO (d) NJML
- 16.If CAT is written as TAC, how is DOG written in the same code? (a) HPE (b) FNC (c) GOD (d) EPH
- 17.If DOG is written as WLT, how is NEST written in the same code? (a) MVHG (b) LUGF (c) OFTU (d) NWIH
- 18.If LION is written as NOIL, how is RAIN written in the same code? (a) OJBS (b) MHZQ (c) NIAR (d) SBJO
- 19.If SUN is written as RTM, how is LAMP written in the same code? (a) LAMP (b) KZLO (c) JYKN (d) MBNQ
- 20.If CAT is written as BZS, how is STAR written in the same code? (a) RSZQ (b) QRYP (c) STAR (d) TUBS
- 21.If STAR is written as HGZI, how is WIND written in the same code? (a) ESNX (b) CQLV (c) XJOE (d) DRMW
- 22.If KITE is written as GVKM, how is PARK written in the same code? (a) MTCR (b) IPYN (c) RCTM (d) KRAP
- 23.If SUN is written as NUS, how is SHIP written in the same code? (a) OHGR (b) PIHS (c) QJIT (d) TIJQ
- 24.If DOG is written as WLT, how is JUMP written in the same code? (a) RGOL (b) PEMJ (c) QFNK (d) KVNQ
- 25.If LAMP is written as KZLO, how is BOOK written in the same code? (a) CPPL (b) ZMMI (c) BOOK (d) ANNJ
- 26.If LION is written as KHNM, how is GOLD written in the same code? (a) EMJB (b) HPME (c) FNKC (d) GOLD
- 27.If BALL is written as LLAB, how is LION written in the same code? (a) NOIL (b) MJPO (c) OPJM (d) MNHK
- 28.If CAKE is written as BZJD, how is JUMP written in the same code? (a) KVNQ (b) HSKN (c) JUMP (d) ITLO
- 29.If PEN is written as NEP, how is CAT written in the same code? (a) UBD (b) SZB (c) DBU (d) TAC
- 30.If SHIP is written as VKLS, how is CAT written in the same code? (a) ZXQ (b) ECV (c) GEX (d) FDW
- 31.If BELL is written as ZCJJ, how is DRUM written in the same code? (a) FTWO (b) CQTL (c) BPSK (d) AORJ
- 32.If BOAT is written as ERDW, how is HAND written in the same code? (a) LERH (b) JCPF (c) EXKA (d) KDQG
- 33.If LAMP is written as PMAL, how is DOG written in the same code? (a) EPH (b) HPE (c) FNC (d) GOD
- 34.If MILK is written as NJML, how is LION written in the same code? (a) NKQP (b) OPJM (c) KHNM (d) MJPO
- 35.If SHIP is written as OHGR, how is JUMP written in the same code? (a) ITLO (b) PMUJ (c) QNVK (d) OLTI
- 36.If BOAT is written as YLZG, how is DRUM written in the same code? (a) ESVN (b) WIFN (c) XJGO (d) VHEM
- 37.If TREE is written as GIVV, how is WIND written in the same code? (a) CQLV (b) ESNX (c) XJOE (d) DRMW
- 38.If DESK is written as WVHP, how is SHIP written in the same code? (a) GRQJ (b) TIJQ (c) ITSL (d) HSRK
- 39.If RAIN is written as IZRM, how is DESK written in the same code? (a) EFTL (b) WVHP (c) VUGO (d) XWIQ
- 40.If TOYS is written as SYOT, how is SHIP written in the same code? (a) TIJQ (b) QJIT (c) OHGR (d) PIHS
Answer key
- NROP
- HPE
- ITLO
- XJOE
- ODPS
- FROG
- EPH
- MMFC
- TAC
- SYOT
- VUGP
- OWTF
- XLOW
- OZNK
- NROP
- GOD
- MVHG
- NIAR
- KZLO
- RSZQ
- DRMW
- MTCR
- PIHS
- QFNK
- ANNJ
- FNKC
- NOIL
- ITLO
- TAC
- FDW
- BPSK
- KDQG
- GOD
- MJPO
- OLTI
- WIFN
- DRMW
- HSRK
- WVHP
- PIHS
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