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 MILK is written as KLIM, how is SUN written in the same code? (a) NUS (b) OVT (c) TVO (d) MTR
- 2.If FISH is written as HSIF, how is NEST written in the same code? (a) OFTU (b) UTFO (c) TSEN (d) SRDM
- 3.If BALL is written as YZOO, how is BOAT written in the same code? (a) ZMAH (b) XKYF (c) CPBU (d) YLZG
- 4.If KITE is written as ETIK, how is MOON written in the same code? (a) NPPO (b) MNNL (c) OPPN (d) NOOM
- 5.If SHIP is written as PIHS, how is COLD written in the same code? (a) EMPD (b) CKNB (c) DPME (d) DLOC
- 6.If DOG is written as GOD, how is SUN written in the same code? (a) NUS (b) TVO (c) OVT (d) MTR
- 7.If MOON is written as OPPN, how is LAMP written in the same code? (a) PMAL (b) QNBM (c) MBNQ (d) OLZK
- 8.If FROG is written as UILT, how is CAKE written in the same code? (a) WYOU (b) DBLF (c) YAQW (d) XZPV
- 9.If KITE is written as NLWH, how is CAT written in the same code? (a) GEX (b) ZXQ (c) ECV (d) FDW
- 10.If PEN is written as KVM, how is CAT written in the same code? (a) WYF (b) DBU (c) XZG (d) YAH
- 11.If HAND is written as SZMW, how is SHIP written in the same code? (a) HSRK (b) ITSL (c) TIJQ (d) GRQJ
- 12.If CAKE is written as ECMG, how is TOYS written in the same code? (a) RMWQ (b) WRBV (c) VQAU (d) UPZT
- 13.If NEST is written as VUGP, how is DRUM written in the same code? (a) MURD (b) OWTF (c) KSPB (d) FTWO
- 14.If COLD is written as EQNF, how is FROG written in the same code? (a) HTQI (b) GSPH (c) IURJ (d) DPME
- 15.If TREE is written as EERT, how is BALL written in the same code? (a) MMBC (b) CBMM (c) KKZA (d) LLAB
- 16.If LAMP is written as ROCN, how is DRUM written in the same code? (a) MURD (b) FTWO (c) KSPB (d) OWTF
- 17.If BELL is written as ZCJJ, how is CAKE written in the same code? (a) AYIC (b) ZXHB (c) BZJD (d) ECMG
- 18.If LION is written as OPJM, how is TREE written in the same code? (a) EERT (b) DDQS (c) FFSU (d) USFF
- 19.If HAND is written as EOBI, how is COLD written in the same code? (a) DPME (b) EMPD (c) DLOC (d) CKNB
- 20.If DOG is written as WLT, how is PARK written in the same code? (a) JYHO (b) LAJQ (c) QBSL (d) KZIP
- 21.If BOAT is written as TAOB, how is MOON written in the same code? (a) NPPO (b) NOOM (c) OPPN (d) MNNL
- 22.If HAND is written as DNAH, how is PARK written in the same code? (a) KRAP (b) LSBQ (c) QBSL (d) JQZO
- 23.If CAT is written as UBD, how is FROG written in the same code? (a) GSPH (b) GORF (c) HPSG (d) FNQE
- 24.If DOG is written as FNC, how is MILK written in the same code? (a) LHKJ (b) KLIM (c) JKHL (d) LMJN
- 25.If WIND is written as DRMW, how is JUMP written in the same code? (a) KVNQ (b) PEMJ (c) QFNK (d) RGOL
- 26.If PARK is written as LSBQ, how is WIND written in the same code? (a) XJOE (b) EOJX (c) DNIW (d) CMHV
- 27.If DRUM is written as MURD, how is HAND written in the same code? (a) IBOE (b) EOBI (c) DNAH (d) CMZG
- 28.If KITE is written as DSHJ, how is JUMP written in the same code? (a) PMUJ (b) QNVK (c) OLTI (d) ITLO
- 29.If COLD is written as FNQE, how is GOLD written in the same code? (a) DLOG (b) IQNF (c) FNQI (d) BJME
- 30.If DRUM is written as NVSE, how is GOLD written in the same code? (a) DLOG (b) CKNF (c) HPME (d) EMPH
- 31.If TREE is written as EERT, how is MOON written in the same code? (a) OPPN (b) MNNL (c) NOOM (d) NPPO
- 32.If DESK is written as EFTL, how is BALL written in the same code? (a) MMBC (b) CBMM (c) DCNN (d) AZKK
- 33.If COLD is written as XLOW, how is TREE written in the same code? (a) HJWW (b) FHUU (c) GIVV (d) USFF
- 34.If DRUM is written as ESVN, how is KITE written in the same code? (a) FUJL (b) JHSD (c) MKVG (d) LJUF
- 35.If COLD is written as DLOC, how is LION written in the same code? (a) NOIL (b) MJPO (c) MNHK (d) OPJM
- 36.If PARK is written as KZIP, how is PEN written in the same code? (a) JUL (b) KVM (c) LWN (d) QFO
- 37.If KITE is written as JHSD, how is PEN written in the same code? (a) PEN (b) NCL (c) QFO (d) ODM
- 38.If DESK is written as WVHP, how is PEN written in the same code? (a) LWN (b) QFO (c) JUL (d) KVM
- 39.If FISH is written as HSIF, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) EKAC (d) DBLF
- 40.If NEST is written as UTFO, how is SUN written in the same code? (a) TVO (b) NUS (c) MTR (d) OVT
Answer key
- NUS
- TSEN
- YLZG
- NOOM
- DLOC
- NUS
- QNBM
- XZPV
- FDW
- XZG
- HSRK
- VQAU
- OWTF
- HTQI
- LLAB
- OWTF
- AYIC
- FFSU
- EMPD
- KZIP
- NOOM
- KRAP
- HPSG
- JKHL
- QFNK
- EOJX
- DNAH
- OLTI
- FNQI
- EMPH
- NOOM
- CBMM
- GIVV
- LJUF
- NOIL
- KVM
- ODM
- KVM
- EKAC
- OVT
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