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 COLD is written as DLOC, how is SHIP written in the same code? (a) TIJQ (b) OHGR (c) PIHS (d) QJIT
- 2.If SUN is written as MTR, how is MILK written in the same code? (a) JKHL (b) KLIM (c) LMJN (d) LHKJ
- 3.If MILK is written as KLIM, how is STAR written in the same code? (a) TUBS (b) SBUT (c) RATS (d) QZSR
- 4.If TREE is written as WUHH, how is JUMP written in the same code? (a) LWOR (b) NYQT (c) GRJM (d) MXPS
- 5.If DRUM is written as NVSE, how is DOG written in the same code? (a) HPE (b) FNC (c) GOD (d) EPH
- 6.If CAT is written as XZG, how is COLD written in the same code? (a) DPME (b) WKNV (c) YMPX (d) XLOW
- 7.If TOYS is written as SNXR, how is WIND written in the same code? (a) XJOE (b) UGLB (c) VHMC (d) WIND
- 8.If JUMP is written as PMUJ, how is NEST written in the same code? (a) OFTU (b) TSEN (c) UTFO (d) SRDM
- 9.If BALL is written as NNCD, how is NEST written in the same code? (a) PGUV (b) RQCL (c) VUGP (d) TSEN
- 10.If BOAT is written as YLZG, how is CAKE written in the same code? (a) WYOU (b) XZPV (c) YAQW (d) DBLF
- 11.If JUMP is written as ROWL, how is BOOK written in the same code? (a) KOOB (b) DQQM (c) IMMZ (d) MQQD
- 12.If BOOK is written as DQQM, how is TOYS written in the same code? (a) WRBV (b) UPZT (c) VQAU (d) RMWQ
- 13.If CAT is written as TAC, how is BELL written in the same code? (a) LLEB (b) CFMM (c) MMFC (d) KKDA
- 14.If STAR is written as HGZI, how is MOON written in the same code? (a) OMMN (b) MKKL (c) NPPO (d) NLLM
- 15.If WIND is written as ZLQG, how is DRUM written in the same code? (a) AORJ (b) GUXP (c) FTWO (d) HVYQ
- 16.If TOYS is written as GLBH, how is FISH written in the same code? (a) VSIT (b) TQGR (c) URHS (d) GJTI
- 17.If TOYS is written as SYOT, how is SUN written in the same code? (a) MTR (b) OVT (c) NUS (d) TVO
- 18.If BALL is written as LLAB, how is LAMP written in the same code? (a) PMAL (b) QNBM (c) OLZK (d) MBNQ
- 19.If JUMP is written as ROWL, how is LION written in the same code? (a) NOIL (b) LMGJ (c) NKQP (d) PQKN
- 20.If DRUM is written as BPSK, how is HAND written in the same code? (a) EXKA (b) GZMC (c) FYLB (d) JCPF
- 21.If BOOK is written as YLLP, how is FISH written in the same code? (a) URHS (b) VSIT (c) TQGR (d) GJTI
- 22.If DESK is written as MUGF, how is PARK written in the same code? (a) RCTM (b) IPYN (c) KRAP (d) MTCR
- 23.If CAT is written as XZG, how is FISH written in the same code? (a) TQGR (b) URHS (c) VSIT (d) GJTI
- 24.If BALL is written as LLAB, how is SHIP written in the same code? (a) PIHS (b) QJIT (c) TIJQ (d) OHGR
- 25.If FISH is written as HSIF, how is LION written in the same code? (a) MNHK (b) MJPO (c) OPJM (d) NOIL
- 26.If PARK is written as SDUN, how is BOAT written in the same code? (a) DQCV (b) FSEX (c) ERDW (d) YLXQ
- 27.If MOON is written as NOOM, how is NEST written in the same code? (a) TSEN (b) OFTU (c) UTFO (d) SRDM
- 28.If BALL is written as LLAB, how is DOG written in the same code? (a) FNC (b) HPE (c) GOD (d) EPH
- 29.If HAND is written as SZMW, how is LAMP written in the same code? (a) MBNQ (b) NYMJ (c) PAOL (d) OZNK
- 30.If BOOK is written as KOOB, how is BELL written in the same code? (a) LLEB (b) CFMM (c) MMFC (d) KKDA
- 31.If DOG is written as WLT, how is LAMP written in the same code? (a) OZNK (b) NYMJ (c) MBNQ (d) PAOL
- 32.If PARK is written as LSBQ, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) PMAL (d) MBNQ
- 33.If MILK is written as MNKO, how is KITE written in the same code? (a) ETIK (b) CRGI (c) MKVG (d) GVKM
- 34.If FISH is written as HKUJ, how is WIND written in the same code? (a) XJOE (b) ZLQG (c) UGLB (d) YKPF
- 35.If BOOK is written as ZMMI, how is STAR written in the same code? (a) UVCT (b) QRYP (c) PQXO (d) RSZQ
- 36.If BELL is written as ADKK, how is FISH written in the same code? (a) DGQF (b) FISH (c) EHRG (d) GJTI
- 37.If SHIP is written as UJKR, how is KITE written in the same code? (a) IGRC (b) NLWH (c) LJUF (d) MKVG
- 38.If NEST is written as PGUV, how is MOON written in the same code? (a) KMML (b) PRRQ (c) NPPO (d) OQQP
- 39.If MILK is written as LMJN, how is DESK written in the same code? (a) JRDC (b) KSED (c) LTFE (d) EFTL
- 40.If DESK is written as MUGF, how is LAMP written in the same code? (a) ROCN (b) PMAL (c) NKYJ (d) NCOR
Answer key
- PIHS
- JKHL
- RATS
- MXPS
- HPE
- XLOW
- VHMC
- TSEN
- VUGP
- XZPV
- MQQD
- VQAU
- LLEB
- NLLM
- GUXP
- URHS
- NUS
- PMAL
- PQKN
- FYLB
- URHS
- MTCR
- URHS
- PIHS
- NOIL
- ERDW
- TSEN
- GOD
- OZNK
- LLEB
- OZNK
- QNBM
- GVKM
- YKPF
- QRYP
- EHRG
- MKVG
- OQQP
- LTFE
- ROCN
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