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 BOAT is written as UBPC, how is CAKE written in the same code? (a) FLBD (b) EKAC (c) DBLF (d) DJZB
- 2.If LAMP is written as ODPS, how is PARK written in the same code? (a) TEVO (b) RCTM (c) MXOH (d) SDUN
- 3.If LION is written as ORLM, how is CAT written in the same code? (a) WYF (b) XZG (c) DBU (d) YAH
- 4.If MILK is written as KLIM, how is SUN written in the same code? (a) OVT (b) NUS (c) MTR (d) TVO
- 5.If KITE is written as FUJL, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) OHGR (d) PIHS
- 6.If DOG is written as WLT, how is WIND written in the same code? (a) DRMW (b) ESNX (c) CQLV (d) XJOE
- 7.If MILK is written as PLON, how is GOLD written in the same code? (a) KSPH (b) JROG (c) DLIA (d) IQNF
- 8.If BOAT is written as VCQD, how is TREE written in the same code? (a) GGTV (b) VTGG (c) EERT (d) CCPR
- 9.If FROG is written as GORF, how is COLD written in the same code? (a) CKNB (b) EMPD (c) DPME (d) DLOC
- 10.If LION is written as ORLM, how is MOON written in the same code? (a) MKKL (b) NPPO (c) OMMN (d) NLLM
- 11.If TOYS is written as UPZT, how is COLD written in the same code? (a) DPME (b) EQNF (c) BNKC (d) EMPD
- 12.If MILK is written as KLIM, how is CAKE written in the same code? (a) DJZB (b) DBLF (c) FLBD (d) EKAC
- 13.If PARK is written as KRAP, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) PMAL (d) MBNQ
- 14.If FROG is written as HTQI, how is STAR written in the same code? (a) TUBS (b) VWDU (c) QRYP (d) UVCT
- 15.If COLD is written as DLOC, how is JUMP written in the same code? (a) KVNQ (b) QNVK (c) PMUJ (d) OLTI
- 16.If BOOK is written as ZMMI, how is FISH written in the same code? (a) CFPE (b) HKUJ (c) EHRG (d) DGQF
- 17.If DOG is written as FNC, how is SHIP written in the same code? (a) RGHO (b) PIHS (c) QJIT (d) OHGR
- 18.If SUN is written as PWU, how is CAT written in the same code? (a) TAC (b) RYA (c) VCE (d) ECV
- 19.If PARK is written as SDUN, how is MOON written in the same code? (a) QSSR (b) OQQP (c) PRRQ (d) JLLK
- 20.If RAIN is written as IZRM, how is PEN written in the same code? (a) QFO (b) JUL (c) LWN (d) KVM
- 21.If DRUM is written as NVSE, how is MILK written in the same code? (a) NJML (b) KLIM (c) JKHL (d) LMJN
- 22.If TOYS is written as TZPU, how is MILK written in the same code? (a) KLIM (b) NJML (c) JKHL (d) LMJN
- 23.If JUMP is written as QFNK, how is MILK written in the same code? (a) NJML (b) MQNO (c) OSPQ (d) NROP
- 24.If PEN is written as KVM, how is RAIN written in the same code? (a) HYQL (b) JASN (c) IZRM (d) SBJO
- 25.If PEN is written as NEP, how is RAIN written in the same code? (a) MHZQ (b) SBJO (c) OJBS (d) NIAR
- 26.If NEST is written as VUGP, how is DRUM written in the same code? (a) MURD (b) KSPB (c) OWTF (d) FTWO
- 27.If NEST is written as TSEN, how is CAT written in the same code? (a) DBU (b) SZB (c) UBD (d) TAC
- 28.If MOON is written as NLLM, how is NEST written in the same code? (a) OFTU (b) LUGF (c) MVHG (d) NWIH
- 29.If BOAT is written as TAOB, how is JUMP written in the same code? (a) PMUJ (b) QNVK (c) KVNQ (d) OLTI
- 30.If BOOK is written as LPPC, how is SHIP written in the same code? (a) TIJQ (b) QJIT (c) PIHS (d) OHGR
- 31.If HAND is written as CMZG, how is DESK written in the same code? (a) JRDC (b) KSED (c) LTFE (d) CDRJ
- 32.If LAMP is written as PMAL, how is BOAT written in the same code? (a) SZNA (b) UBPC (c) CPBU (d) TAOB
- 33.If CAKE is written as DBLF, how is STAR written in the same code? (a) TUBS (b) RSZQ (c) UVCT (d) SBUT
- 34.If BALL is written as LLAB, how is DRUM written in the same code? (a) MURD (b) ESVN (c) NVSE (d) LTQC
- 35.If DOG is written as GOD, how is BOAT written in the same code? (a) CPBU (b) UBPC (c) TAOB (d) SZNA
- 36.If LION is written as OLRQ, how is BOOK written in the same code? (a) ERRN (b) DQQM (c) YLLH (d) FSSO
- 37.If BOAT is written as YLZG, how is FROG written in the same code? (a) VJMU (b) UILT (c) THKS (d) GSPH
- 38.If DOG is written as GOD, how is STAR written in the same code? (a) SBUT (b) QZSR (c) TUBS (d) RATS
- 39.If KITE is written as GVKM, how is BOAT written in the same code? (a) TAOB (b) DQCV (c) VCQD (d) RYMZ
- 40.If LION is written as PQKN, how is MILK written in the same code? (a) OKNM (b) KLIM (c) MNKO (d) IJGK
Answer key
- FLBD
- SDUN
- XZG
- NUS
- QJIT
- DRMW
- JROG
- GGTV
- DLOC
- NLLM
- DPME
- EKAC
- PMAL
- UVCT
- PMUJ
- DGQF
- OHGR
- VCE
- PRRQ
- KVM
- LMJN
- LMJN
- NROP
- IZRM
- NIAR
- OWTF
- TAC
- MVHG
- PMUJ
- QJIT
- JRDC
- TAOB
- TUBS
- MURD
- TAOB
- ERRN
- UILT
- RATS
- VCQD
- MNKO
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