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 SHIP is written as PIHS, how is WIND written in the same code? (a) DNIW (b) EOJX (c) CMHV (d) XJOE
- 2.If TREE is written as EERT, how is PARK written in the same code? (a) JQZO (b) KRAP (c) QBSL (d) LSBQ
- 3.If JUMP is written as ROWL, how is BALL written in the same code? (a) DCNN (b) JJYZ (c) LLAB (d) NNCD
- 4.If STAR is written as HGZI, how is PARK written in the same code? (a) LAJQ (b) KZIP (c) JYHO (d) QBSL
- 5.If BOOK is written as YLLP, how is HAND written in the same code? (a) IBOE (b) SZMW (c) RYLV (d) TANX
- 6.If DESK is written as WVHP, how is KITE written in the same code? (a) QSHW (b) OQFU (c) PRGV (d) LJUF
- 7.If LAMP is written as ROCN, how is KITE written in the same code? (a) CRGI (b) ETIK (c) MKVG (d) GVKM
- 8.If BELL is written as YVOO, how is GOLD written in the same code? (a) SKNV (b) UMPX (c) HPME (d) TLOW
- 9.If FROG is written as UILT, how is FISH written in the same code? (a) TQGR (b) GJTI (c) URHS (d) VSIT
- 10.If MILK is written as NJML, how is TOYS written in the same code? (a) VQAU (b) TZPU (c) SNXR (d) UPZT
- 11.If TOYS is written as TZPU, how is BELL written in the same code? (a) CFMM (b) LLEB (c) KKDA (d) MMFC
- 12.If MILK is written as KLIM, how is LAMP written in the same code? (a) OLZK (b) MBNQ (c) QNBM (d) PMAL
- 13.If HAND is written as DNAH, how is SHIP written in the same code? (a) TIJQ (b) OHGR (c) QJIT (d) PIHS
- 14.If RAIN is written as QZHM, how is CAKE written in the same code? (a) CAKE (b) AYIC (c) BZJD (d) DBLF
- 15.If FISH is written as HSIF, how is NEST written in the same code? (a) TSEN (b) OFTU (c) UTFO (d) SRDM
- 16.If CAKE is written as EKAC, how is CAT written in the same code? (a) UBD (b) DBU (c) TAC (d) SZB
- 17.If WIND is written as VHMC, how is BELL written in the same code? (a) CFMM (b) ZCJJ (c) ADKK (d) BELL
- 18.If TREE is written as GGTV, how is FISH written in the same code? (a) HKUJ (b) HSIF (c) FQGD (d) JUKH
- 19.If TREE is written as GIVV, how is STAR written in the same code? (a) TUBS (b) HGZI (c) IHAJ (d) GFYH
- 20.If LAMP is written as PMAL, how is LION written in the same code? (a) OPJM (b) MNHK (c) NOIL (d) MJPO
- 21.If JUMP is written as QFNK, how is LION written in the same code? (a) PSMN (b) MJPO (c) NQKL (d) ORLM
- 22.If KITE is written as ETIK, how is STAR written in the same code? (a) SBUT (b) QZSR (c) RATS (d) TUBS
- 23.If BALL is written as LLAB, how is GOLD written in the same code? (a) DLOG (b) HPME (c) EMPH (d) CKNF
- 24.If HAND is written as EOBI, how is BELL written in the same code? (a) KKDA (b) CFMM (c) LLEB (d) MMFC
- 25.If FISH is written as JUKH, how is PEN written in the same code? (a) RGP (b) NEP (c) LCN (d) PGR
- 26.If BALL is written as LLAB, how is SHIP written in the same code? (a) OHGR (b) QJIT (c) TIJQ (d) PIHS
- 27.If DESK is written as JRDC, how is HAND written in the same code? (a) EOBI (b) DNAH (c) GZMC (d) CMZG
- 28.If MOON is written as MNNL, how is COLD written in the same code? (a) DLOC (b) CKNB (c) BNKC (d) EMPD
- 29.If SUN is written as HFM, how is KITE written in the same code? (a) LJUF (b) QSHW (c) OQFU (d) PRGV
- 30.If NEST is written as MVHG, how is SUN written in the same code? (a) HFM (b) GEL (c) IGN (d) TVO
- 31.If GOLD is written as DLOG, how is BOOK written in the same code? (a) CPPL (b) LPPC (c) JNNA (d) KOOB
- 32.If TREE is written as GGTV, how is CAKE written in the same code? (a) ECMG (b) CIYA (c) EKAC (d) GMCE
- 33.If BOOK is written as KOOB, how is BOAT written in the same code? (a) CPBU (b) TAOB (c) UBPC (d) SZNA
- 34.If MOON is written as NOOM, how is BALL written in the same code? (a) KKZA (b) MMBC (c) LLAB (d) CBMM
- 35.If STAR is written as HGZI, how is JUMP written in the same code? (a) KVNQ (b) PEMJ (c) RGOL (d) QFNK
- 36.If STAR is written as RATS, how is LAMP written in the same code? (a) PMAL (b) OLZK (c) QNBM (d) MBNQ
- 37.If PEN is written as RGP, how is COLD written in the same code? (a) EQNF (b) FROG (c) DPME (d) AMJB
- 38.If RAIN is written as PKCT, how is SHIP written in the same code? (a) PIHS (b) UJKR (c) RKJU (d) NGFQ
- 39.If LAMP is written as OZNK, how is DESK written in the same code? (a) EFTL (b) VUGO (c) WVHP (d) XWIQ
- 40.If RAIN is written as NIAR, how is FROG written in the same code? (a) FNQE (b) GSPH (c) HPSG (d) GORF
Answer key
- DNIW
- KRAP
- NNCD
- KZIP
- SZMW
- PRGV
- GVKM
- TLOW
- URHS
- UPZT
- MMFC
- PMAL
- PIHS
- BZJD
- TSEN
- TAC
- ADKK
- JUKH
- HGZI
- NOIL
- ORLM
- RATS
- DLOG
- MMFC
- PGR
- PIHS
- CMZG
- CKNB
- PRGV
- HFM
- KOOB
- GMCE
- TAOB
- LLAB
- QFNK
- PMAL
- EQNF
- RKJU
- WVHP
- GORF
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