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 DESK is written as WVHP, how is JUMP written in the same code? (a) QFNK (b) KVNQ (c) PEMJ (d) RGOL
- 2.If CAT is written as XZG, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) TIJQ (d) HSRK
- 3.If DOG is written as FQI, how is CAT written in the same code? (a) FDW (b) ECV (c) AYR (d) DBU
- 4.If STAR is written as SBUT, how is NEST written in the same code? (a) TSEN (b) OFTU (c) UTFO (d) SRDM
- 5.If SUN is written as RTM, how is TOYS written in the same code? (a) UPZT (b) TOYS (c) RMWQ (d) SNXR
- 6.If BOAT is written as ANZS, how is BOOK written in the same code? (a) BOOK (b) CPPL (c) ANNJ (d) ZMMI
- 7.If DESK is written as WVHP, how is TOYS written in the same code? (a) FKAG (b) UPZT (c) GLBH (d) HMCI
- 8.If BALL is written as YZOO, how is COLD written in the same code? (a) XLOW (b) WKNV (c) YMPX (d) DPME
- 9.If TREE is written as USFF, how is DRUM written in the same code? (a) CQTL (b) ESVN (c) FTWO (d) NVSE
- 10.If MILK is written as NROP, how is NEST written in the same code? (a) LUGF (b) OFTU (c) NWIH (d) MVHG
- 11.If TREE is written as RPCC, how is WIND written in the same code? (a) TFKA (b) UGLB (c) VHMC (d) YKPF
- 12.If BOOK is written as DQQM, how is CAKE written in the same code? (a) DBLF (b) AYIC (c) FDNH (d) ECMG
- 13.If STAR is written as RATS, how is SHIP written in the same code? (a) OHGR (b) TIJQ (c) QJIT (d) PIHS
- 14.If LAMP is written as PMAL, how is BOOK written in the same code? (a) KOOB (b) CPPL (c) JNNA (d) LPPC
- 15.If RAIN is written as IZRM, how is LION written in the same code? (a) ORLM (b) PSMN (c) MJPO (d) NQKL
- 16.If CAT is written as TAC, how is DOG written in the same code? (a) HPE (b) GOD (c) EPH (d) FNC
- 17.If LAMP is written as KZLO, how is WIND written in the same code? (a) UGLB (b) WIND (c) XJOE (d) VHMC
- 18.If WIND is written as ZLQG, how is LION written in the same code? (a) IFLK (b) PMSR (c) OLRQ (d) NKQP
- 19.If MOON is written as NOOM, how is STAR written in the same code? (a) RATS (b) TUBS (c) SBUT (d) QZSR
- 20.If PEN is written as KVM, how is FISH written in the same code? (a) VSIT (b) URHS (c) GJTI (d) TQGR
- 21.If LION is written as NOIL, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) EKAC (d) DBLF
- 22.If BELL is written as YVOO, how is SUN written in the same code? (a) IGN (b) TVO (c) HFM (d) GEL
- 23.If LION is written as ORLM, how is MILK written in the same code? (a) OSPQ (b) NJML (c) MQNO (d) NROP
- 24.If BELL is written as YVOO, how is DOG written in the same code? (a) WLT (b) XMU (c) EPH (d) VKS
- 25.If FROG is written as GSPH, how is DESK written in the same code? (a) LTFE (b) EFTL (c) FGUM (d) CDRJ
- 26.If FISH is written as GJTI, how is GOLD written in the same code? (a) IQNF (b) EMPH (c) HPME (d) FNKC
- 27.If TOYS is written as VQAU, how is LION written in the same code? (a) OLRQ (b) JGML (c) NKQP (d) MJPO
- 28.If DOG is written as BME, how is MILK written in the same code? (a) LHKJ (b) OKNM (c) KGJI (d) JFIH
- 29.If DOG is written as WLT, how is DESK written in the same code? (a) EFTL (b) WVHP (c) VUGO (d) XWIQ
- 30.If CAT is written as SZB, how is LAMP written in the same code? (a) PMAL (b) KZLO (c) QNBM (d) OLZK
- 31.If DRUM is written as GUXP, how is RAIN written in the same code? (a) UDLQ (b) OXFK (c) VEMR (d) TCKP
- 32.If SUN is written as OVT, how is STAR written in the same code? (a) TUBS (b) QZSR (c) RATS (d) SBUT
- 33.If FROG is written as FNQE, how is BELL written in the same code? (a) LLEB (b) KKDA (c) ADKK (d) MMFC
- 34.If CAT is written as XZG, how is DRUM written in the same code? (a) ESVN (b) VHEM (c) XJGO (d) WIFN
- 35.If MILK is written as KLIM, how is PEN written in the same code? (a) QFO (b) NEP (c) OFQ (d) MDO
- 36.If FISH is written as URHS, how is SUN written in the same code? (a) HFM (b) GEL (c) IGN (d) TVO
- 37.If HAND is written as DNAH, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) DLOG (d) HPME
- 38.If MOON is written as NOOM, how is MILK written in the same code? (a) LMJN (b) JKHL (c) NJML (d) KLIM
- 39.If DRUM is written as WIFN, how is CAT written in the same code? (a) WYF (b) YAH (c) XZG (d) DBU
- 40.If PARK is written as MTCR, how is MOON written in the same code? (a) LMMK (b) NOOM (c) OQQP (d) PQQO
Answer key
- QFNK
- HSRK
- ECV
- UTFO
- SNXR
- ANNJ
- GLBH
- XLOW
- ESVN
- MVHG
- UGLB
- ECMG
- PIHS
- KOOB
- ORLM
- GOD
- VHMC
- OLRQ
- RATS
- URHS
- EKAC
- HFM
- NROP
- WLT
- EFTL
- HPME
- NKQP
- KGJI
- WVHP
- OLZK
- UDLQ
- SBUT
- KKDA
- WIFN
- NEP
- HFM
- DLOG
- KLIM
- XZG
- PQQO
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