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 GOLD is written as TLOW, how is SUN written in the same code? (a) GEL (b) IGN (c) TVO (d) HFM
- 2.If TREE is written as GIVV, how is BOOK written in the same code? (a) CPPL (b) YLLP (c) ZMMQ (d) XKKO
- 3.If PARK is written as QBSL, how is STAR written in the same code? (a) TUBS (b) RSZQ (c) UVCT (d) SBUT
- 4.If BOAT is written as YLZG, how is TOYS written in the same code? (a) GLBH (b) HMCI (c) UPZT (d) FKAG
- 5.If BALL is written as AZKK, how is FISH written in the same code? (a) DGQF (b) EHRG (c) FISH (d) GJTI
- 6.If JUMP is written as ITLO, how is CAT written in the same code? (a) BZS (b) DBU (c) CAT (d) AYR
- 7.If PEN is written as MDO, how is SHIP written in the same code? (a) PIHS (b) RGHO (c) QJIT (d) OHGR
- 8.If LION is written as ORLM, how is NEST written in the same code? (a) NWIH (b) MVHG (c) LUGF (d) OFTU
- 9.If LAMP is written as JYKN, how is GOLD written in the same code? (a) DLIA (b) EMJB (c) IQNF (d) FNKC
- 10.If TREE is written as GGTV, how is KITE written in the same code? (a) GVKM (b) ETIK (c) CRGI (d) MKVG
- 11.If PARK is written as KRAP, how is KITE written in the same code? (a) FUJL (b) ETIK (c) DSHJ (d) LJUF
- 12.If CAT is written as XZG, how is KITE written in the same code? (a) PRGV (b) OQFU (c) QSHW (d) LJUF
- 13.If CAT is written as XZG, how is STAR written in the same code? (a) GFYH (b) IHAJ (c) HGZI (d) TUBS
- 14.If CAT is written as ECV, how is TOYS written in the same code? (a) WRBV (b) UPZT (c) VQAU (d) RMWQ
- 15.If WIND is written as VHMC, how is DOG written in the same code? (a) EPH (b) BME (c) CNF (d) DOG
- 16.If WIND is written as XJOE, how is STAR written in the same code? (a) UVCT (b) SBUT (c) RSZQ (d) TUBS
- 17.If NEST is written as QHVW, how is COLD written in the same code? (a) FROG (b) GSPH (c) ZLIA (d) EQNF
- 18.If JUMP is written as PMUJ, how is CAKE written in the same code? (a) EKAC (b) DJZB (c) DBLF (d) FLBD
- 19.If KITE is written as ETIK, how is MILK written in the same code? (a) KLIM (b) JKHL (c) LMJN (d) NJML
- 20.If STAR is written as HGZI, how is RAIN written in the same code? (a) HYQL (b) SBJO (c) IZRM (d) JASN
- 21.If COLD is written as EMPD, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) ETIK (d) FUJL
- 22.If DOG is written as GRJ, how is JUMP written in the same code? (a) LWOR (b) GRJM (c) MXPS (d) NYQT
- 23.If LION is written as PQKN, how is RAIN written in the same code? (a) TCKP (b) LGYP (c) PKCT (d) NIAR
- 24.If TOYS is written as GLBH, how is BOAT written in the same code? (a) XKYF (b) CPBU (c) YLZG (d) ZMAH
- 25.If CAKE is written as GMCE, how is MILK written in the same code? (a) MNKO (b) OKNM (c) IJGK (d) KLIM
- 26.If LION is written as MJPO, how is DOG written in the same code? (a) CNF (b) EPH (c) HPE (d) FQI
- 27.If DRUM is written as WIFN, how is MILK written in the same code? (a) OSPQ (b) NJML (c) MQNO (d) NROP
- 28.If JUMP is written as ROWL, how is DOG written in the same code? (a) GOD (b) IQF (c) FQI (d) EMB
- 29.If TREE is written as GIVV, how is STAR written in the same code? (a) TUBS (b) HGZI (c) IHAJ (d) GFYH
- 30.If GOLD is written as HPME, how is BELL written in the same code? (a) ADKK (b) CFMM (c) DGNN (d) MMFC
- 31.If NEST is written as TSEN, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) PMUJ (d) QNVK
- 32.If WIND is written as DRMW, how is TREE written in the same code? (a) HJWW (b) FHUU (c) GIVV (d) USFF
- 33.If STAR is written as UVCT, how is TOYS written in the same code? (a) VQAU (b) RMWQ (c) UPZT (d) WRBV
- 34.If BOOK is written as ERRN, how is BOAT written in the same code? (a) YLXQ (b) ERDW (c) DQCV (d) FSEX
- 35.If JUMP is written as PMUJ, how is CAT written in the same code? (a) UBD (b) TAC (c) DBU (d) SZB
- 36.If WIND is written as DNIW, how is PEN written in the same code? (a) QFO (b) MDO (c) NEP (d) OFQ
- 37.If PEN is written as QFO, how is TOYS written in the same code? (a) VQAU (b) TZPU (c) SNXR (d) UPZT
- 38.If DOG is written as GOD, how is TOYS written in the same code? (a) RXNS (b) SYOT (c) TZPU (d) UPZT
- 39.If DOG is written as FNC, how is CAKE written in the same code? (a) DJZB (b) FLBD (c) BZJD (d) EKAC
- 40.If BOAT is written as YLZG, how is GOLD written in the same code? (a) TLOW (b) HPME (c) SKNV (d) UMPX
Answer key
- HFM
- YLLP
- TUBS
- GLBH
- EHRG
- BZS
- OHGR
- MVHG
- EMJB
- GVKM
- ETIK
- PRGV
- HGZI
- VQAU
- CNF
- TUBS
- FROG
- EKAC
- KLIM
- IZRM
- FUJL
- MXPS
- PKCT
- YLZG
- MNKO
- EPH
- NROP
- IQF
- HGZI
- CFMM
- PMUJ
- GIVV
- VQAU
- ERDW
- TAC
- NEP
- UPZT
- SYOT
- DJZB
- TLOW
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