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 JUMP is written as HSKN, how is MILK written in the same code? (a) JFIH (b) OKNM (c) LHKJ (d) KGJI
- 2.If FISH is written as URHS, how is BELL written in the same code? (a) CFMM (b) XUNN (c) YVOO (d) ZWPP
- 3.If HAND is written as DNAH, how is BELL written in the same code? (a) MMFC (b) KKDA (c) LLEB (d) CFMM
- 4.If BOAT is written as TAOB, how is DESK written in the same code? (a) KSED (b) JRDC (c) EFTL (d) LTFE
- 5.If WIND is written as EOJX, how is BOAT written in the same code? (a) CPBU (b) TAOB (c) UBPC (d) SZNA
- 6.If PARK is written as OZQJ, how is CAT written in the same code? (a) AYR (b) DBU (c) CAT (d) BZS
- 7.If TOYS is written as VQAU, how is FISH written in the same code? (a) HKUJ (b) DGQF (c) ILVK (d) GJTI
- 8.If SHIP is written as QFGN, how is CAKE written in the same code? (a) ECMG (b) ZXHB (c) BZJD (d) AYIC
- 9.If BOAT is written as TAOB, how is KITE written in the same code? (a) FUJL (b) ETIK (c) DSHJ (d) LJUF
- 10.If BOOK is written as JNNA, how is CAT written in the same code? (a) TAC (b) BZS (c) SZB (d) UBD
- 11.If DOG is written as EPH, how is MILK written in the same code? (a) OKNM (b) LMJN (c) NJML (d) LHKJ
- 12.If BOAT is written as ZMYR, how is CAT written in the same code? (a) ZXQ (b) BZS (c) AYR (d) ECV
- 13.If BOAT is written as SZNA, how is LAMP written in the same code? (a) PMAL (b) KZLO (c) OLZK (d) QNBM
- 14.If FISH is written as URHS, how is DOG written in the same code? (a) VKS (b) EPH (c) XMU (d) WLT
- 15.If PARK is written as QBSL, how is JUMP written in the same code? (a) QNVK (b) ITLO (c) LWOR (d) KVNQ
- 16.If FISH is written as HSIF, how is CAT written in the same code? (a) SZB (b) DBU (c) TAC (d) UBD
- 17.If KITE is written as ETIK, how is STAR written in the same code? (a) SBUT (b) TUBS (c) RATS (d) QZSR
- 18.If PARK is written as KZIP, how is WIND written in the same code? (a) CQLV (b) XJOE (c) DRMW (d) ESNX
- 19.If CAT is written as TAC, how is GOLD written in the same code? (a) CKNF (b) DLOG (c) HPME (d) EMPH
- 20.If MILK is written as KLIM, how is HAND written in the same code? (a) EOBI (b) CMZG (c) IBOE (d) DNAH
- 21.If LAMP is written as OZNK, how is LION written in the same code? (a) NQKL (b) ORLM (c) MJPO (d) PSMN
- 22.If STAR is written as QZSR, how is COLD written in the same code? (a) BNKC (b) EMPD (c) DLOC (d) CKNB
- 23.If HAND is written as FPCJ, how is DRUM written in the same code? (a) MURD (b) FTWO (c) OWTF (d) KSPB
- 24.If DOG is written as GOD, how is PEN written in the same code? (a) OFQ (b) MDO (c) NEP (d) QFO
- 25.If BALL is written as KKZA, how is FISH written in the same code? (a) HSIF (b) ITJG (c) GRHE (d) EHRG
- 26.If TOYS is written as GLBH, how is PEN written in the same code? (a) LWN (b) JUL (c) QFO (d) KVM
- 27.If SHIP is written as QJIT, how is SUN written in the same code? (a) NUS (b) OVT (c) MTR (d) TVO
- 28.If PEN is written as MDO, how is STAR written in the same code? (a) RSZQ (b) QZSR (c) SBUT (d) RATS
- 29.If JUMP is written as MXPS, how is MILK written in the same code? (a) PLON (b) JFIH (c) OKNM (d) QMPO
- 30.If DRUM is written as WIFN, how is LAMP written in the same code? (a) NYMJ (b) MBNQ (c) OZNK (d) PAOL
- 31.If FROG is written as UILT, how is NEST written in the same code? (a) NWIH (b) OFTU (c) MVHG (d) LUGF
- 32.If BELL is written as YVOO, how is PEN written in the same code? (a) QFO (b) LWN (c) KVM (d) JUL
- 33.If NEST is written as MVHG, how is SHIP written in the same code? (a) ITSL (b) GRQJ (c) TIJQ (d) HSRK
- 34.If PEN is written as KVM, how is SUN written in the same code? (a) IGN (b) TVO (c) HFM (d) GEL
- 35.If CAT is written as AYR, how is KITE written in the same code? (a) IGRC (b) HFQB (c) JHSD (d) MKVG
- 36.If TREE is written as USFF, how is CAKE written in the same code? (a) ECMG (b) FLBD (c) DBLF (d) BZJD
- 37.If GOLD is written as EMPH, how is NEST written in the same code? (a) TSEN (b) UTFO (c) OFTU (d) SRDM
- 38.If CAKE is written as EKAC, how is SUN written in the same code? (a) OVT (b) MTR (c) TVO (d) NUS
- 39.If CAT is written as TAC, how is BALL written in the same code? (a) CBMM (b) MMBC (c) LLAB (d) KKZA
- 40.If BOAT is written as DQCV, how is HAND written in the same code? (a) IBOE (b) FYLB (c) JCPF (d) KDQG
Answer key
- KGJI
- YVOO
- LLEB
- KSED
- UBPC
- BZS
- HKUJ
- AYIC
- ETIK
- SZB
- NJML
- AYR
- OLZK
- WLT
- KVNQ
- TAC
- RATS
- DRMW
- DLOG
- DNAH
- ORLM
- CKNB
- OWTF
- NEP
- GRHE
- KVM
- OVT
- QZSR
- PLON
- OZNK
- MVHG
- KVM
- HSRK
- HFM
- IGRC
- DBLF
- UTFO
- NUS
- LLAB
- JCPF
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