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 BELL is written as EHOO, how is DESK written in the same code? (a) HIWO (b) ABPH (c) GHVN (d) FGUM
- 2.If GOLD is written as DLOG, how is PEN written in the same code? (a) NEP (b) OFQ (c) MDO (d) QFO
- 3.If HAND is written as SZMW, how is TREE written in the same code? (a) FHUU (b) HJWW (c) GIVV (d) USFF
- 4.If COLD is written as XLOW, how is TREE written in the same code? (a) USFF (b) GIVV (c) HJWW (d) FHUU
- 5.If GOLD is written as EMJB, how is BOOK written in the same code? (a) YLLH (b) ZMMI (c) ANNJ (d) DQQM
- 6.If HAND is written as SZMW, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) TIJQ (d) HSRK
- 7.If COLD is written as DLOC, how is LION written in the same code? (a) NOIL (b) MNHK (c) OPJM (d) MJPO
- 8.If SHIP is written as TIJQ, how is MILK written in the same code? (a) OKNM (b) NJML (c) LHKJ (d) LMJN
- 9.If TREE is written as GIVV, how is BALL written in the same code? (a) YZOO (b) CBMM (c) ZAPP (d) XYNN
- 10.If TOYS is written as SYOT, how is DOG written in the same code? (a) EPH (b) FNC (c) GOD (d) HPE
- 11.If BALL is written as MMBC, how is PEN written in the same code? (a) OFQ (b) NEP (c) QFO (d) MDO
- 12.If JUMP is written as QFNK, how is LAMP written in the same code? (a) MBNQ (b) OZNK (c) NYMJ (d) PAOL
- 13.If CAT is written as VCE, how is CAKE written in the same code? (a) GMCE (b) CIYA (c) ECMG (d) EKAC
- 14.If SHIP is written as VKLS, how is CAT written in the same code? (a) ECV (b) GEX (c) FDW (d) ZXQ
- 15.If SUN is written as NUS, how is LION written in the same code? (a) MNHK (b) MJPO (c) OPJM (d) NOIL
- 16.If COLD is written as BNKC, how is RAIN written in the same code? (a) RAIN (b) QZHM (c) SBJO (d) PYGL
- 17.If STAR is written as UVCT, how is WIND written in the same code? (a) XJOE (b) YKPF (c) UGLB (d) ZLQG
- 18.If GOLD is written as TLOW, how is SHIP written in the same code? (a) ITSL (b) TIJQ (c) HSRK (d) GRQJ
- 19.If RAIN is written as IZRM, how is BOOK written in the same code? (a) XKKO (b) CPPL (c) ZMMQ (d) YLLP
- 20.If SHIP is written as HSRK, how is FISH written in the same code? (a) TQGR (b) VSIT (c) URHS (d) GJTI
- 21.If CAT is written as TAC, how is JUMP written in the same code? (a) PMUJ (b) QNVK (c) KVNQ (d) OLTI
- 22.If JUMP is written as ITLO, how is GOLD written in the same code? (a) EMJB (b) FNKC (c) HPME (d) GOLD
- 23.If LION is written as ORLM, how is TOYS written in the same code? (a) HMCI (b) FKAG (c) GLBH (d) UPZT
- 24.If DOG is written as GOD, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) UPZT (d) SYOT
- 25.If MILK is written as KLIM, how is LION written in the same code? (a) OPJM (b) MNHK (c) NOIL (d) MJPO
- 26.If SHIP is written as TIJQ, how is KITE written in the same code? (a) MKVG (b) JHSD (c) LJUF (d) FUJL
- 27.If MOON is written as OQQP, how is BOOK written in the same code? (a) ERRN (b) ZMMI (c) CPPL (d) DQQM
- 28.If NEST is written as TSEN, how is KITE written in the same code? (a) ETIK (b) DSHJ (c) FUJL (d) LJUF
- 29.If PEN is written as RGP, how is LION written in the same code? (a) MJPO (b) NKQP (c) OLRQ (d) JGML
- 30.If TOYS is written as GLBH, how is WIND written in the same code? (a) CQLV (b) XJOE (c) ESNX (d) DRMW
- 31.If FROG is written as UILT, how is KITE written in the same code? (a) OQFU (b) LJUF (c) PRGV (d) QSHW
- 32.If MOON is written as NOOM, how is NEST written in the same code? (a) OFTU (b) TSEN (c) SRDM (d) UTFO
- 33.If DOG is written as WLT, how is HAND written in the same code? (a) IBOE (b) RYLV (c) TANX (d) SZMW
- 34.If DOG is written as FNC, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) SYOT (d) SNXR
- 35.If PEN is written as NEP, how is MILK written in the same code? (a) LMJN (b) JKHL (c) KLIM (d) NJML
- 36.If GOLD is written as EMPH, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) PMAL (d) MBNQ
- 37.If TOYS is written as GLBH, how is BELL written in the same code? (a) CFMM (b) XUNN (c) YVOO (d) ZWPP
- 38.If WIND is written as CMHV, how is KITE written in the same code? (a) ETIK (b) JHSD (c) FUJL (d) DSHJ
- 39.If CAKE is written as XZPV, how is KITE written in the same code? (a) OQFU (b) QSHW (c) LJUF (d) PRGV
- 40.If COLD is written as XLOW, how is SHIP written in the same code? (a) HSRK (b) ITSL (c) TIJQ (d) GRQJ
Answer key
- GHVN
- NEP
- GIVV
- GIVV
- ZMMI
- HSRK
- NOIL
- NJML
- YZOO
- GOD
- OFQ
- OZNK
- GMCE
- FDW
- NOIL
- QZHM
- YKPF
- HSRK
- YLLP
- URHS
- PMUJ
- FNKC
- GLBH
- SYOT
- NOIL
- LJUF
- DQQM
- ETIK
- NKQP
- DRMW
- PRGV
- TSEN
- SZMW
- RXNS
- KLIM
- QNBM
- YVOO
- DSHJ
- PRGV
- HSRK
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