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 BOOK is written as KOOB, how is FISH written in the same code? (a) ITJG (b) HSIF (c) GRHE (d) GJTI
- 2.If CAKE is written as EKAC, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) UPZT (d) SYOT
- 3.If TOYS is written as RXNS, how is CAKE written in the same code? (a) DJZB (b) EKAC (c) FLBD (d) BZJD
- 4.If BELL is written as MMFC, how is WIND written in the same code? (a) EOJX (b) CMHV (c) XJOE (d) DNIW
- 5.If DRUM is written as WIFN, how is DOG written in the same code? (a) WLT (b) VKS (c) EPH (d) XMU
- 6.If KITE is written as PRGV, how is CAKE written in the same code? (a) DBLF (b) WYOU (c) XZPV (d) YAQW
- 7.If TOYS is written as UPZT, how is LION written in the same code? (a) NKQP (b) OPJM (c) KHNM (d) MJPO
- 8.If FISH is written as DGQF, how is NEST written in the same code? (a) MDRS (b) PGUV (c) LCQR (d) KBPQ
- 9.If DOG is written as WLT, how is GOLD written in the same code? (a) UMPX (b) TLOW (c) HPME (d) SKNV
- 10.If TOYS is written as RMWQ, how is CAKE written in the same code? (a) ECMG (b) BZJD (c) AYIC (d) ZXHB
- 11.If PEN is written as NCL, how is WIND written in the same code? (a) VHMC (b) TFKA (c) UGLB (d) YKPF
- 12.If FISH is written as HSIF, how is SUN written in the same code? (a) NUS (b) TVO (c) MTR (d) OVT
- 13.If HAND is written as CMZG, how is WIND written in the same code? (a) EOJX (b) VHMC (c) DNIW (d) CMHV
- 14.If BOAT is written as YLZG, how is SUN written in the same code? (a) TVO (b) IGN (c) HFM (d) GEL
- 15.If TOYS is written as SYOT, how is RAIN written in the same code? (a) MHZQ (b) OJBS (c) NIAR (d) SBJO
- 16.If FISH is written as URHS, how is DOG written in the same code? (a) VKS (b) EPH (c) XMU (d) WLT
- 17.If LION is written as OPJM, how is BELL written in the same code? (a) CFMM (b) MMFC (c) KKDA (d) LLEB
- 18.If BOAT is written as VCQD, how is NEST written in the same code? (a) VUGP (b) PGUV (c) TSEN (d) RQCL
- 19.If DRUM is written as GUXP, how is DESK written in the same code? (a) ABPH (b) FGUM (c) GHVN (d) HIWO
- 20.If JUMP is written as MXPS, how is LION written in the same code? (a) NKQP (b) PMSR (c) OLRQ (d) IFLK
- 21.If KITE is written as PRGV, how is LAMP written in the same code? (a) MBNQ (b) NYMJ (c) OZNK (d) PAOL
- 22.If DESK is written as LTFE, how is CAKE written in the same code? (a) EKAC (b) DBLF (c) DJZB (d) FLBD
- 23.If STAR is written as SBUT, how is FISH written in the same code? (a) GJTI (b) HSIF (c) ITJG (d) GRHE
- 24.If BOAT is written as TAOB, how is GOLD written in the same code? (a) DLOG (b) EMPH (c) CKNF (d) HPME
- 25.If JUMP is written as OLTI, how is FISH written in the same code? (a) EHRG (b) HSIF (c) GRHE (d) ITJG
- 26.If MOON is written as NOOM, how is FISH written in the same code? (a) GJTI (b) GRHE (c) ITJG (d) HSIF
- 27.If WIND is written as XJOE, how is SHIP written in the same code? (a) RGHO (b) UJKR (c) TIJQ (d) QJIT
- 28.If SUN is written as UWP, how is GOLD written in the same code? (a) JROG (b) HPME (c) IQNF (d) EMJB
- 29.If BALL is written as YZOO, how is GOLD written in the same code? (a) HPME (b) UMPX (c) TLOW (d) SKNV
- 30.If BALL is written as AZKK, how is STAR written in the same code? (a) QRYP (b) STAR (c) TUBS (d) RSZQ
- 31.If RAIN is written as UDLQ, how is BALL written in the same code? (a) YXII (b) EDOO (c) DCNN (d) FEPP
- 32.If COLD is written as DLOC, how is DOG written in the same code? (a) EPH (b) GOD (c) HPE (d) FNC
- 33.If GOLD is written as CKNF, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) KZLO (d) PMAL
- 34.If RAIN is written as QZHM, how is DESK written in the same code? (a) CDRJ (b) BCQI (c) EFTL (d) DESK
- 35.If SUN is written as PWU, how is COLD written in the same code? (a) BJMA (b) FNQE (c) EQNF (d) DLOC
- 36.If SHIP is written as PIHS, how is FROG written in the same code? (a) HPSG (b) FNQE (c) GORF (d) GSPH
- 37.If RAIN is written as IZRM, how is COLD written in the same code? (a) XLOW (b) WKNV (c) YMPX (d) DPME
- 38.If MILK is written as KLIM, how is RAIN written in the same code? (a) NIAR (b) SBJO (c) OJBS (d) MHZQ
- 39.If TREE is written as USFF, how is PEN written in the same code? (a) RGP (b) OFQ (c) ODM (d) QFO
- 40.If DESK is written as BCQI, how is DRUM written in the same code? (a) FTWO (b) AORJ (c) BPSK (d) CQTL
Answer key
- HSIF
- SYOT
- DJZB
- EOJX
- WLT
- XZPV
- MJPO
- LCQR
- TLOW
- AYIC
- UGLB
- NUS
- CMHV
- HFM
- NIAR
- WLT
- MMFC
- VUGP
- GHVN
- OLRQ
- OZNK
- FLBD
- ITJG
- DLOG
- GRHE
- HSIF
- TIJQ
- IQNF
- TLOW
- RSZQ
- EDOO
- GOD
- OLZK
- CDRJ
- FNQE
- GORF
- XLOW
- NIAR
- QFO
- BPSK
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