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 PARK is written as KRAP, how is WIND written in the same code? (a) XJOE (b) CMHV (c) DNIW (d) EOJX
- 2.If CAKE is written as EKAC, how is MILK written in the same code? (a) LMJN (b) JKHL (c) NJML (d) KLIM
- 3.If GOLD is written as DLOG, how is PARK written in the same code? (a) JQZO (b) KRAP (c) LSBQ (d) QBSL
- 4.If PEN is written as QFO, how is WIND written in the same code? (a) EOJX (b) XJOE (c) YKPF (d) VHMC
- 5.If KITE is written as PRGV, how is RAIN written in the same code? (a) JASN (b) HYQL (c) SBJO (d) IZRM
- 6.If PEN is written as NEP, how is TREE written in the same code? (a) FFSU (b) USFF (c) DDQS (d) EERT
- 7.If KITE is written as DSHJ, how is DOG written in the same code? (a) CNF (b) GOD (c) FNC (d) HPE
- 8.If KITE is written as LJUF, how is DOG written in the same code? (a) FQI (b) CNF (c) HPE (d) EPH
- 9.If KITE is written as ETIK, how is TOYS written in the same code? (a) RXNS (b) UPZT (c) TZPU (d) SYOT
- 10.If GOLD is written as CKNF, how is PEN written in the same code? (a) MDO (b) ODM (c) NEP (d) OFQ
- 11.If CAKE is written as FLBD, how is SUN written in the same code? (a) OVT (b) NUS (c) TVO (d) MTR
- 12.If DRUM is written as WIFN, how is LAMP written in the same code? (a) NYMJ (b) MBNQ (c) PAOL (d) OZNK
- 13.If DOG is written as EPH, how is SUN written in the same code? (a) UWP (b) TVO (c) OVT (d) RTM
- 14.If KITE is written as GVKM, how is MILK written in the same code? (a) IJGK (b) KLIM (c) OKNM (d) MNKO
- 15.If LAMP is written as ROCN, how is FROG written in the same code? (a) HTQI (b) GORF (c) IQTH (d) EMPD
- 16.If PARK is written as KZIP, how is MILK written in the same code? (a) MQNO (b) OSPQ (c) NJML (d) NROP
- 17.If PARK is written as KRAP, how is COLD written in the same code? (a) DPME (b) EMPD (c) CKNB (d) DLOC
- 18.If STAR is written as RATS, how is CAT written in the same code? (a) SZB (b) UBD (c) DBU (d) TAC
- 19.If DRUM is written as FTWO, how is BOAT written in the same code? (a) ZMYR (b) ERDW (c) CPBU (d) DQCV
- 20.If COLD is written as DLOC, how is PARK written in the same code? (a) LSBQ (b) QBSL (c) KRAP (d) JQZO
- 21.If CAT is written as AYR, how is PARK written in the same code? (a) RCTM (b) MXOH (c) NYPI (d) OZQJ
- 22.If PEN is written as NCL, how is LION written in the same code? (a) JGML (b) KHNM (c) NKQP (d) IFLK
- 23.If KITE is written as NLWH, how is DRUM written in the same code? (a) AORJ (b) FTWO (c) GUXP (d) HVYQ
- 24.If LAMP is written as PMAL, how is TOYS written in the same code? (a) UPZT (b) TZPU (c) SYOT (d) RXNS
- 25.If BOOK is written as YLLP, how is CAT written in the same code? (a) YAH (b) DBU (c) WYF (d) XZG
- 26.If DRUM is written as WIFN, how is DOG written in the same code? (a) VKS (b) WLT (c) EPH (d) XMU
- 27.If CAKE is written as XZPV, how is TREE written in the same code? (a) USFF (b) HJWW (c) GIVV (d) FHUU
- 28.If KITE is written as GVKM, how is HAND written in the same code? (a) JCPF (b) BLYF (c) FPCJ (d) DNAH
- 29.If DOG is written as GRJ, how is TREE written in the same code? (a) XVII (b) VTGG (c) WUHH (d) QOBB
- 30.If DOG is written as GRJ, how is MILK written in the same code? (a) JFIH (b) OKNM (c) PLON (d) QMPO
- 31.If DESK is written as KSED, how is CAKE written in the same code? (a) EKAC (b) DJZB (c) FLBD (d) DBLF
- 32.If BOAT is written as UBPC, how is SHIP written in the same code? (a) TIJQ (b) PIHS (c) OHGR (d) QJIT
- 33.If DESK is written as WVHP, how is SUN written in the same code? (a) TVO (b) HFM (c) GEL (d) IGN
- 34.If MOON is written as NOOM, how is DOG written in the same code? (a) HPE (b) FNC (c) EPH (d) GOD
- 35.If FROG is written as GORF, how is CAT written in the same code? (a) UBD (b) TAC (c) SZB (d) DBU
- 36.If WIND is written as YKPF, how is CAKE written in the same code? (a) DBLF (b) FDNH (c) AYIC (d) ECMG
- 37.If CAT is written as TAC, how is LAMP written in the same code? (a) MBNQ (b) QNBM (c) PMAL (d) OLZK
- 38.If PARK is written as KZIP, how is LION written in the same code? (a) MJPO (b) ORLM (c) NQKL (d) PSMN
- 39.If FISH is written as URHS, how is PEN written in the same code? (a) QFO (b) KVM (c) JUL (d) LWN
- 40.If TREE is written as RPCC, how is HAND written in the same code? (a) JCPF (b) EXKA (c) GZMC (d) FYLB
Answer key
- DNIW
- KLIM
- KRAP
- XJOE
- IZRM
- EERT
- FNC
- EPH
- SYOT
- MDO
- OVT
- OZNK
- TVO
- MNKO
- IQTH
- NROP
- DLOC
- TAC
- DQCV
- KRAP
- NYPI
- JGML
- GUXP
- SYOT
- XZG
- WLT
- GIVV
- FPCJ
- WUHH
- PLON
- EKAC
- QJIT
- HFM
- GOD
- TAC
- ECMG
- PMAL
- ORLM
- KVM
- FYLB
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