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 CAT is written as BZS, how is JUMP written in the same code? (a) JUMP (b) HSKN (c) ITLO (d) KVNQ
- 2.If FROG is written as FNQE, how is BOAT written in the same code? (a) TAOB (b) ANZS (c) SZNA (d) UBPC
- 3.If DRUM is written as MURD, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) PIHS (d) TIJQ
- 4.If CAT is written as XZG, how is DRUM written in the same code? (a) ESVN (b) WIFN (c) VHEM (d) XJGO
- 5.If PARK is written as LSBQ, how is SUN written in the same code? (a) MTR (b) TVO (c) OVT (d) NUS
- 6.If NEST is written as UTFO, how is DOG written in the same code? (a) GOD (b) HPE (c) EPH (d) FNC
- 7.If LAMP is written as ROCN, how is PARK written in the same code? (a) RCTM (b) IPYN (c) KRAP (d) MTCR
- 8.If FROG is written as GORF, how is COLD written in the same code? (a) CKNB (b) EMPD (c) DPME (d) DLOC
- 9.If LAMP is written as ODPS, how is BOOK written in the same code? (a) DQQM (b) YLLH (c) ERRN (d) FSSO
- 10.If CAT is written as XZG, how is GOLD written in the same code? (a) SKNV (b) HPME (c) TLOW (d) UMPX
- 11.If GOLD is written as TLOW, how is JUMP written in the same code? (a) PEMJ (b) RGOL (c) KVNQ (d) QFNK
- 12.If CAKE is written as DBLF, how is FROG written in the same code? (a) HPSG (b) GSPH (c) EQNF (d) HTQI
- 13.If CAT is written as TAC, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) MHZQ (d) NIAR
- 14.If PARK is written as KZIP, how is MILK written in the same code? (a) OSPQ (b) NROP (c) NJML (d) MQNO
- 15.If WIND is written as DRMW, how is KITE written in the same code? (a) PRGV (b) QSHW (c) OQFU (d) LJUF
- 16.If MILK is written as MNKO, how is GOLD written in the same code? (a) FNQI (b) BJME (c) IQNF (d) DLOG
- 17.If STAR is written as RATS, how is HAND written in the same code? (a) CMZG (b) EOBI (c) DNAH (d) IBOE
- 18.If BALL is written as YZOO, how is MILK written in the same code? (a) NROP (b) OSPQ (c) NJML (d) MQNO
- 19.If TREE is written as FFSU, how is MILK written in the same code? (a) KLIM (b) NJML (c) JKHL (d) LMJN
- 20.If BALL is written as LLAB, how is HAND written in the same code? (a) IBOE (b) CMZG (c) DNAH (d) EOBI
- 21.If KITE is written as PRGV, how is JUMP written in the same code? (a) PEMJ (b) QFNK (c) RGOL (d) KVNQ
- 22.If DRUM is written as FTWO, how is MOON written in the same code? (a) NPPO (b) KMML (c) PRRQ (d) OQQP
- 23.If STAR is written as TUBS, how is NEST written in the same code? (a) OFTU (b) UTFO (c) PGUV (d) MDRS
- 24.If SHIP is written as QFGN, how is DOG written in the same code? (a) FQI (b) ALD (c) BME (d) CNF
- 25.If CAKE is written as EKAC, how is DOG written in the same code? (a) FNC (b) GOD (c) HPE (d) EPH
- 26.If PEN is written as PGR, how is NEST written in the same code? (a) TSEN (b) RQCL (c) VUGP (d) PGUV
- 27.If BOAT is written as YLZG, how is JUMP written in the same code? (a) PEMJ (b) QFNK (c) KVNQ (d) RGOL
- 28.If PEN is written as NEP, how is STAR written in the same code? (a) QZSR (b) TUBS (c) SBUT (d) RATS
- 29.If BALL is written as LLAB, how is SHIP written in the same code? (a) OHGR (b) TIJQ (c) PIHS (d) QJIT
- 30.If LION is written as OLRQ, how is FROG written in the same code? (a) IURJ (b) HTQI (c) JVSK (d) COLD
- 31.If TREE is written as DDQS, how is BOAT written in the same code? (a) ANZS (b) UBPC (c) SZNA (d) TAOB
- 32.If BOOK is written as YLLP, how is MILK written in the same code? (a) MQNO (b) NJML (c) OSPQ (d) NROP
- 33.If DOG is written as BME, how is TOYS written in the same code? (a) QLVP (b) SNXR (c) VQAU (d) RMWQ
- 34.If FROG is written as HTQI, how is PEN written in the same code? (a) SHQ (b) RGP (c) NCL (d) QFO
- 35.If STAR is written as HGZI, how is PARK written in the same code? (a) KZIP (b) JYHO (c) QBSL (d) LAJQ
- 36.If RAIN is written as IZRM, how is BELL written in the same code? (a) CFMM (b) ZWPP (c) XUNN (d) YVOO
- 37.If CAT is written as SZB, how is COLD written in the same code? (a) BNKC (b) DLOC (c) CKNB (d) EMPD
- 38.If RAIN is written as IZRM, how is JUMP written in the same code? (a) RGOL (b) QFNK (c) PEMJ (d) KVNQ
- 39.If PEN is written as NEP, how is BOAT written in the same code? (a) CPBU (b) TAOB (c) UBPC (d) SZNA
- 40.If SUN is written as QSL, how is LAMP written in the same code? (a) IXJM (b) KZLO (c) JYKN (d) NCOR
Answer key
- ITLO
- SZNA
- PIHS
- WIFN
- OVT
- HPE
- MTCR
- DLOC
- ERRN
- TLOW
- QFNK
- GSPH
- NIAR
- NROP
- PRGV
- FNQI
- DNAH
- NROP
- LMJN
- DNAH
- QFNK
- OQQP
- OFTU
- BME
- GOD
- VUGP
- QFNK
- RATS
- PIHS
- IURJ
- SZNA
- NROP
- RMWQ
- RGP
- KZIP
- YVOO
- CKNB
- QFNK
- TAOB
- JYKN
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