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 HAND is written as DNAH, how is CAT written in the same code? (a) DBU (b) UBD (c) SZB (d) TAC
- 2.If RAIN is written as SBJO, how is NEST written in the same code? (a) PGUV (b) UTFO (c) OFTU (d) MDRS
- 3.If GOLD is written as DLOG, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) QNVK (d) PMUJ
- 4.If COLD is written as AMJB, how is PEN written in the same code? (a) ODM (b) RGP (c) NCL (d) MBK
- 5.If COLD is written as BNKC, how is JUMP written in the same code? (a) ITLO (b) JUMP (c) HSKN (d) KVNQ
- 6.If DOG is written as GOD, how is PEN written in the same code? (a) QFO (b) OFQ (c) MDO (d) NEP
- 7.If RAIN is written as SBJO, how is STAR written in the same code? (a) SBUT (b) UVCT (c) TUBS (d) RSZQ
- 8.If PEN is written as NCL, how is MILK written in the same code? (a) OKNM (b) JFIH (c) KGJI (d) LHKJ
- 9.If BELL is written as YVOO, how is DESK written in the same code? (a) XWIQ (b) EFTL (c) WVHP (d) VUGO
- 10.If KITE is written as DSHJ, how is COLD written in the same code? (a) DLOC (b) CKNB (c) BNKC (d) EMPD
- 11.If GOLD is written as FNQI, how is JUMP written in the same code? (a) PMUJ (b) ROWL (c) NKSH (d) LWOR
- 12.If LION is written as JGML, how is DOG written in the same code? (a) ALD (b) CNF (c) BME (d) FQI
- 13.If BOOK is written as LPPC, how is NEST written in the same code? (a) TSEN (b) OFTU (c) SRDM (d) UTFO
- 14.If SHIP is written as OHGR, how is LAMP written in the same code? (a) OLZK (b) PMAL (c) QNBM (d) KZLO
- 15.If MILK is written as LMJN, how is DESK written in the same code? (a) EFTL (b) LTFE (c) JRDC (d) KSED
- 16.If STAR is written as SBUT, how is DOG written in the same code? (a) FNC (b) HPE (c) EPH (d) GOD
- 17.If BOOK is written as YLLP, how is FISH written in the same code? (a) VSIT (b) GJTI (c) TQGR (d) URHS
- 18.If CAKE is written as EKAC, how is BALL written in the same code? (a) CBMM (b) MMBC (c) LLAB (d) KKZA
- 19.If FROG is written as HTQI, how is BELL written in the same code? (a) EHOO (b) ZCJJ (c) DGNN (d) CFMM
- 20.If CAKE is written as FLBD, how is HAND written in the same code? (a) EOBI (b) DNAH (c) IBOE (d) CMZG
- 21.If JUMP is written as ROWL, how is BOAT written in the same code? (a) RYMZ (b) VCQD (c) TAOB (d) DQCV
- 22.If LAMP is written as KZLO, how is STAR written in the same code? (a) TUBS (b) STAR (c) QRYP (d) RSZQ
- 23.If NEST is written as MVHG, how is BELL written in the same code? (a) XUNN (b) YVOO (c) ZWPP (d) CFMM
- 24.If DESK is written as WVHP, how is NEST written in the same code? (a) LUGF (b) MVHG (c) NWIH (d) OFTU
- 25.If TOYS is written as VQAU, how is DESK written in the same code? (a) EFTL (b) FGUM (c) BCQI (d) GHVN
- 26.If BOOK is written as YLLP, how is DOG written in the same code? (a) VKS (b) EPH (c) XMU (d) WLT
- 27.If STAR is written as SBUT, how is GOLD written in the same code? (a) CKNF (b) HPME (c) EMPH (d) DLOG
- 28.If FISH is written as JUKH, how is MILK written in the same code? (a) KLIM (b) IJGK (c) OKNM (d) MNKO
- 29.If LAMP is written as OZNK, how is FISH written in the same code? (a) VSIT (b) GJTI (c) TQGR (d) URHS
- 30.If FROG is written as HPSG, how is WIND written in the same code? (a) DNIW (b) EOJX (c) XJOE (d) CMHV
- 31.If PEN is written as MDO, how is FISH written in the same code? (a) EHRG (b) GRHE (c) HSIF (d) ITJG
- 32.If GOLD is written as TLOW, how is BELL written in the same code? (a) CFMM (b) ZWPP (c) YVOO (d) XUNN
- 33.If FROG is written as GORF, how is BOAT written in the same code? (a) CPBU (b) TAOB (c) SZNA (d) UBPC
- 34.If JUMP is written as PMUJ, how is SHIP written in the same code? (a) TIJQ (b) QJIT (c) OHGR (d) PIHS
- 35.If COLD is written as XLOW, how is DOG written in the same code? (a) WLT (b) XMU (c) EPH (d) VKS
- 36.If SHIP is written as VKLS, how is PEN written in the same code? (a) SHQ (b) TIR (c) RGP (d) MBK
- 37.If PARK is written as MTCR, how is GOLD written in the same code? (a) DLOG (b) BJME (c) FNQI (d) IQNF
- 38.If JUMP is written as ITLO, how is DESK written in the same code? (a) EFTL (b) CDRJ (c) DESK (d) BCQI
- 39.If DRUM is written as NVSE, how is FROG written in the same code? (a) GSPH (b) GORF (c) FNQE (d) HPSG
- 40.If WIND is written as DNIW, how is TREE written in the same code? (a) FFSU (b) USFF (c) DDQS (d) EERT
Answer key
- TAC
- OFTU
- PMUJ
- NCL
- ITLO
- NEP
- TUBS
- KGJI
- WVHP
- CKNB
- ROWL
- BME
- UTFO
- OLZK
- LTFE
- HPE
- URHS
- LLAB
- DGNN
- EOBI
- VCQD
- RSZQ
- YVOO
- MVHG
- FGUM
- WLT
- EMPH
- MNKO
- URHS
- EOJX
- GRHE
- YVOO
- TAOB
- PIHS
- WLT
- SHQ
- FNQI
- CDRJ
- HPSG
- EERT
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