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 OKNM, how is KITE written in the same code? (a) LJUF (b) IGRC (c) NLWH (d) MKVG
- 2.If PARK is written as NYPI, how is WIND written in the same code? (a) TFKA (b) UGLB (c) YKPF (d) VHMC
- 3.If CAT is written as TAC, how is NEST written in the same code? (a) OFTU (b) SRDM (c) UTFO (d) TSEN
- 4.If JUMP is written as QFNK, how is KITE written in the same code? (a) PRGV (b) OQFU (c) LJUF (d) QSHW
- 5.If KITE is written as PRGV, how is LION written in the same code? (a) PSMN (b) ORLM (c) NQKL (d) MJPO
- 6.If DRUM is written as WIFN, how is NEST written in the same code? (a) MVHG (b) OFTU (c) LUGF (d) NWIH
- 7.If DESK is written as CDRJ, how is BOAT written in the same code? (a) BOAT (b) ANZS (c) ZMYR (d) CPBU
- 8.If BELL is written as YVOO, how is HAND written in the same code? (a) RYLV (b) SZMW (c) IBOE (d) TANX
- 9.If BOAT is written as YLZG, how is LION written in the same code? (a) NQKL (b) ORLM (c) PSMN (d) MJPO
- 10.If PEN is written as NEP, how is HAND written in the same code? (a) IBOE (b) CMZG (c) EOBI (d) DNAH
- 11.If TREE is written as EERT, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) KVNQ (d) PMUJ
- 12.If COLD is written as AMJB, how is BOAT written in the same code? (a) YLXQ (b) DQCV (c) ANZS (d) ZMYR
- 13.If CAT is written as AYR, how is JUMP written in the same code? (a) LWOR (b) ITLO (c) GRJM (d) HSKN
- 14.If LAMP is written as PMAL, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) TIJQ (d) PIHS
- 15.If LAMP is written as QNBM, how is HAND written in the same code? (a) IBOE (b) DNAH (c) CMZG (d) EOBI
- 16.If WIND is written as EOJX, how is CAT written in the same code? (a) TAC (b) DBU (c) UBD (d) SZB
- 17.If PEN is written as NEP, how is BOAT written in the same code? (a) SZNA (b) CPBU (c) TAOB (d) UBPC
- 18.If DOG is written as WLT, how is LION written in the same code? (a) NQKL (b) PSMN (c) MJPO (d) ORLM
- 19.If TREE is written as FFSU, how is BALL written in the same code? (a) LLAB (b) MMBC (c) CBMM (d) KKZA
- 20.If BALL is written as LLAB, how is CAKE written in the same code? (a) DJZB (b) DBLF (c) FLBD (d) EKAC
- 21.If MILK is written as OKNM, how is TREE written in the same code? (a) RPCC (b) WUHH (c) USFF (d) VTGG
- 22.If CAT is written as XZG, how is FROG written in the same code? (a) VJMU (b) THKS (c) UILT (d) GSPH
- 23.If JUMP is written as LWOR, how is CAT written in the same code? (a) DBU (b) AYR (c) FDW (d) ECV
- 24.If CAKE is written as XZPV, how is STAR written in the same code? (a) TUBS (b) HGZI (c) IHAJ (d) GFYH
- 25.If DESK is written as KSED, how is DRUM written in the same code? (a) MURD (b) ESVN (c) LTQC (d) NVSE
- 26.If STAR is written as RATS, how is WIND written in the same code? (a) XJOE (b) DNIW (c) EOJX (d) CMHV
- 27.If PEN is written as KVM, how is NEST written in the same code? (a) NWIH (b) LUGF (c) MVHG (d) OFTU
- 28.If FROG is written as UILT, how is DESK written in the same code? (a) VUGO (b) WVHP (c) XWIQ (d) EFTL
- 29.If NEST is written as PGUV, how is DOG written in the same code? (a) EPH (b) BME (c) FQI (d) GRJ
- 30.If BALL is written as MMBC, how is TOYS written in the same code? (a) UPZT (b) RXNS (c) TZPU (d) SYOT
- 31.If BOAT is written as ERDW, how is DESK written in the same code? (a) GHVN (b) ABPH (c) FGUM (d) HIWO
- 32.If RAIN is written as IZRM, how is LION written in the same code? (a) MJPO (b) PSMN (c) ORLM (d) NQKL
- 33.If FROG is written as UILT, how is CAT written in the same code? (a) YAH (b) DBU (c) XZG (d) WYF
- 34.If MILK is written as KLIM, how is WIND written in the same code? (a) XJOE (b) EOJX (c) CMHV (d) DNIW
- 35.If STAR is written as HGZI, how is RAIN written in the same code? (a) SBJO (b) IZRM (c) JASN (d) HYQL
- 36.If FISH is written as URHS, how is MOON written in the same code? (a) NPPO (b) NLLM (c) MKKL (d) OMMN
- 37.If WIND is written as DNIW, how is TOYS written in the same code? (a) TZPU (b) UPZT (c) RXNS (d) SYOT
- 38.If TREE is written as WUHH, how is PEN written in the same code? (a) TIR (b) SHQ (c) MBK (d) RGP
- 39.If STAR is written as RATS, how is LION written in the same code? (a) MJPO (b) NOIL (c) OPJM (d) MNHK
- 40.If FROG is written as GSPH, how is MILK written in the same code? (a) LHKJ (b) NJML (c) LMJN (d) OKNM
Answer key
- MKVG
- UGLB
- TSEN
- PRGV
- ORLM
- MVHG
- ANZS
- SZMW
- ORLM
- DNAH
- PMUJ
- ZMYR
- HSKN
- PIHS
- EOBI
- UBD
- TAOB
- ORLM
- MMBC
- EKAC
- VTGG
- UILT
- ECV
- HGZI
- MURD
- DNIW
- MVHG
- WVHP
- FQI
- TZPU
- GHVN
- ORLM
- XZG
- DNIW
- IZRM
- NLLM
- SYOT
- SHQ
- NOIL
- NJML
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