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 TOYS is written as TZPU, how is LAMP written in the same code? (a) OLZK (b) MBNQ (c) QNBM (d) PMAL
- 2.If DESK is written as FGUM, how is MILK written in the same code? (a) PLON (b) KGJI (c) OKNM (d) NJML
- 3.If DESK is written as CDRJ, how is JUMP written in the same code? (a) JUMP (b) HSKN (c) ITLO (d) KVNQ
- 4.If DRUM is written as WIFN, how is TREE written in the same code? (a) HJWW (b) GIVV (c) FHUU (d) USFF
- 5.If CAKE is written as BZJD, how is FISH written in the same code? (a) EHRG (b) DGQF (c) GJTI (d) FISH
- 6.If RAIN is written as IZRM, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) TIJQ (d) HSRK
- 7.If CAT is written as SZB, how is MILK written in the same code? (a) LHKJ (b) JKHL (c) LMJN (d) KLIM
- 8.If RAIN is written as IZRM, how is JUMP written in the same code? (a) KVNQ (b) QFNK (c) RGOL (d) PEMJ
- 9.If FISH is written as URHS, how is PEN written in the same code? (a) JUL (b) KVM (c) LWN (d) QFO
- 10.If PEN is written as OFQ, how is DESK written in the same code? (a) JRDC (b) KSED (c) LTFE (d) EFTL
- 11.If SHIP is written as UJKR, how is FISH written in the same code? (a) GJTI (b) ILVK (c) DGQF (d) HKUJ
- 12.If DESK is written as BCQI, how is LAMP written in the same code? (a) JYKN (b) IXJM (c) KZLO (d) NCOR
- 13.If MILK is written as NROP, how is CAT written in the same code? (a) WYF (b) XZG (c) DBU (d) YAH
- 14.If FISH is written as URHS, how is DOG written in the same code? (a) WLT (b) XMU (c) VKS (d) EPH
- 15.If PARK is written as NYPI, how is DOG written in the same code? (a) FQI (b) ALD (c) BME (d) CNF
- 16.If JUMP is written as LWOR, how is DOG written in the same code? (a) BME (b) FQI (c) GRJ (d) EPH
- 17.If FISH is written as HSIF, how is KITE written in the same code? (a) FUJL (b) DSHJ (c) ETIK (d) LJUF
- 18.If SUN is written as NUS, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) DBLF (d) EKAC
- 19.If STAR is written as HGZI, how is LAMP written in the same code? (a) NYMJ (b) OZNK (c) MBNQ (d) PAOL
- 20.If WIND is written as FPKY, how is DRUM written in the same code? (a) MURD (b) FTWO (c) OWTF (d) KSPB
- 21.If SUN is written as NUS, how is BELL written in the same code? (a) CFMM (b) KKDA (c) MMFC (d) LLEB
- 22.If FROG is written as GSPH, how is SUN written in the same code? (a) RTM (b) OVT (c) TVO (d) UWP
- 23.If SUN is written as MTR, how is LION written in the same code? (a) OPJM (b) MNHK (c) KHNM (d) NOIL
- 24.If DESK is written as WVHP, how is MILK written in the same code? (a) NROP (b) NJML (c) MQNO (d) OSPQ
- 25.If COLD is written as EMPD, how is BOOK written in the same code? (a) KOOB (b) CPPL (c) JNNA (d) LPPC
- 26.If COLD is written as DLOC, how is GOLD written in the same code? (a) DLOG (b) EMPH (c) CKNF (d) HPME
- 27.If BALL is written as CBMM, how is TOYS written in the same code? (a) VQAU (b) SNXR (c) TZPU (d) UPZT
- 28.If NEST is written as PGUV, how is HAND written in the same code? (a) IBOE (b) JCPF (c) FYLB (d) KDQG
- 29.If PEN is written as ODM, how is LAMP written in the same code? (a) MBNQ (b) JYKN (c) LAMP (d) KZLO
- 30.If BOAT is written as TAOB, how is LION written in the same code? (a) OPJM (b) MJPO (c) NOIL (d) MNHK
- 31.If NEST is written as VUGP, how is LION written in the same code? (a) PQKN (b) NKQP (c) NOIL (d) LMGJ
- 32.If FISH is written as GJTI, how is LAMP written in the same code? (a) MBNQ (b) QNBM (c) KZLO (d) NCOR
- 33.If COLD is written as XLOW, how is KITE written in the same code? (a) LJUF (b) OQFU (c) PRGV (d) QSHW
- 34.If GOLD is written as TLOW, how is NEST written in the same code? (a) OFTU (b) LUGF (c) NWIH (d) MVHG
- 35.If BOOK is written as LPPC, how is BELL written in the same code? (a) LLEB (b) MMFC (c) KKDA (d) CFMM
- 36.If TOYS is written as GLBH, how is LAMP written in the same code? (a) NYMJ (b) PAOL (c) OZNK (d) MBNQ
- 37.If FISH is written as GRHE, how is MILK written in the same code? (a) JKHL (b) KLIM (c) LMJN (d) LHKJ
- 38.If CAKE is written as DBLF, how is FROG written in the same code? (a) GSPH (b) HTQI (c) HPSG (d) EQNF
- 39.If DOG is written as GOD, how is MOON written in the same code? (a) NPPO (b) MNNL (c) NOOM (d) OPPN
- 40.If LAMP is written as OZNK, how is SUN written in the same code? (a) GEL (b) TVO (c) IGN (d) HFM
Answer key
- QNBM
- OKNM
- ITLO
- GIVV
- EHRG
- HSRK
- JKHL
- QFNK
- KVM
- LTFE
- HKUJ
- JYKN
- XZG
- WLT
- BME
- FQI
- ETIK
- EKAC
- OZNK
- OWTF
- LLEB
- TVO
- MNHK
- NROP
- LPPC
- DLOG
- UPZT
- JCPF
- KZLO
- NOIL
- PQKN
- MBNQ
- PRGV
- MVHG
- MMFC
- OZNK
- JKHL
- GSPH
- NOOM
- HFM
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