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 CAKE is written as EKAC, how is FISH written in the same code? (a) GRHE (b) ITJG (c) GJTI (d) HSIF
- 2.If MILK is written as KGJI, how is PEN written in the same code? (a) RGP (b) MBK (c) NCL (d) ODM
- 3.If CAKE is written as XZPV, how is SHIP written in the same code? (a) TIJQ (b) GRQJ (c) HSRK (d) ITSL
- 4.If BALL is written as KKZA, how is FISH written in the same code? (a) HSIF (b) ITJG (c) EHRG (d) GRHE
- 5.If CAKE is written as XZPV, how is RAIN written in the same code? (a) IZRM (b) JASN (c) SBJO (d) HYQL
- 6.If BOOK is written as KOOB, how is NEST written in the same code? (a) UTFO (b) SRDM (c) OFTU (d) TSEN
- 7.If TOYS is written as RMWQ, how is HAND written in the same code? (a) JCPF (b) GZMC (c) FYLB (d) EXKA
- 8.If DOG is written as GOD, how is NEST written in the same code? (a) TSEN (b) SRDM (c) UTFO (d) OFTU
- 9.If KITE is written as DSHJ, how is CAT written in the same code? (a) BZS (b) TAC (c) SZB (d) UBD
- 10.If FISH is written as GJTI, how is TOYS written in the same code? (a) UPZT (b) SNXR (c) VQAU (d) TZPU
- 11.If FISH is written as HSIF, how is JUMP written in the same code? (a) KVNQ (b) PMUJ (c) OLTI (d) QNVK
- 12.If FROG is written as EQNF, how is BALL written in the same code? (a) CBMM (b) AZKK (c) BALL (d) ZYJJ
- 13.If BALL is written as CBMM, how is BOOK written in the same code? (a) LPPC (b) DQQM (c) CPPL (d) ANNJ
- 14.If LION is written as NKQP, how is PEN written in the same code? (a) SHQ (b) RGP (c) NCL (d) QFO
- 15.If SHIP is written as PIHS, how is KITE written in the same code? (a) LJUF (b) FUJL (c) ETIK (d) DSHJ
- 16.If RAIN is written as NIAR, how is DRUM written in the same code? (a) NVSE (b) LTQC (c) ESVN (d) MURD
- 17.If SUN is written as MTR, how is BOAT written in the same code? (a) TAOB (b) ANZS (c) SZNA (d) UBPC
- 18.If DOG is written as GRJ, how is LION written in the same code? (a) OLRQ (b) NKQP (c) PMSR (d) IFLK
- 19.If SUN is written as PWU, how is RAIN written in the same code? (a) PKCT (b) NIAR (c) TCKP (d) LGYP
- 20.If FISH is written as URHS, how is FROG written in the same code? (a) THKS (b) VJMU (c) GSPH (d) UILT
- 21.If BOOK is written as LPPC, how is MOON written in the same code? (a) MNNL (b) NPPO (c) NOOM (d) OPPN
- 22.If MOON is written as NOOM, how is COLD written in the same code? (a) DPME (b) CKNB (c) DLOC (d) EMPD
- 23.If TREE is written as USFF, how is DRUM written in the same code? (a) NVSE (b) ESVN (c) FTWO (d) CQTL
- 24.If CAT is written as FDW, how is MOON written in the same code? (a) OQQP (b) JLLK (c) QSSR (d) PRRQ
- 25.If BOAT is written as TAOB, how is LAMP written in the same code? (a) MBNQ (b) QNBM (c) OLZK (d) PMAL
- 26.If JUMP is written as QNVK, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) OHGR (d) PIHS
- 27.If PEN is written as NEP, how is STAR written in the same code? (a) TUBS (b) QZSR (c) RATS (d) SBUT
- 28.If NEST is written as MDRS, how is CAKE written in the same code? (a) CAKE (b) DBLF (c) BZJD (d) AYIC
- 29.If FISH is written as JUKH, how is KITE written in the same code? (a) MKVG (b) ETIK (c) GVKM (d) CRGI
- 30.If LAMP is written as ROCN, how is TOYS written in the same code? (a) SYOT (b) QWMR (c) VQAU (d) UAQV
- 31.If LION is written as ORLM, how is DOG written in the same code? (a) EPH (b) VKS (c) XMU (d) WLT
- 32.If DOG is written as EPH, how is RAIN written in the same code? (a) OJBS (b) TCKP (c) SBJO (d) QZHM
- 33.If BOAT is written as ANZS, how is CAKE written in the same code? (a) AYIC (b) DBLF (c) CAKE (d) BZJD
- 34.If WIND is written as XJOE, how is SHIP written in the same code? (a) RGHO (b) QJIT (c) TIJQ (d) UJKR
- 35.If PARK is written as KZIP, how is MILK written in the same code? (a) OSPQ (b) NJML (c) MQNO (d) NROP
- 36.If SHIP is written as RGHO, how is HAND written in the same code? (a) IBOE (b) GZMC (c) FYLB (d) HAND
- 37.If TOYS is written as GLBH, how is DESK written in the same code? (a) XWIQ (b) WVHP (c) VUGO (d) EFTL
- 38.If BELL is written as EHOO, how is FISH written in the same code? (a) HKUJ (b) CFPE (c) ILVK (d) JMWL
- 39.If SUN is written as NUS, how is CAT written in the same code? (a) TAC (b) DBU (c) UBD (d) SZB
- 40.If BELL is written as LLEB, how is DRUM written in the same code? (a) LTQC (b) ESVN (c) MURD (d) NVSE
Answer key
- HSIF
- NCL
- HSRK
- GRHE
- IZRM
- TSEN
- FYLB
- TSEN
- SZB
- UPZT
- PMUJ
- AZKK
- CPPL
- RGP
- ETIK
- MURD
- SZNA
- OLRQ
- PKCT
- UILT
- OPPN
- DLOC
- ESVN
- PRRQ
- PMAL
- QJIT
- RATS
- BZJD
- GVKM
- UAQV
- WLT
- SBJO
- BZJD
- TIJQ
- NROP
- GZMC
- WVHP
- ILVK
- TAC
- MURD
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