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 DOG is written as GOD, how is WIND written in the same code? (a) CMHV (b) DNIW (c) XJOE (d) EOJX
- 2.If MILK is written as KLIM, how is HAND written in the same code? (a) CMZG (b) IBOE (c) DNAH (d) EOBI
- 3.If COLD is written as BNKC, how is BELL written in the same code? (a) BELL (b) CFMM (c) ADKK (d) ZCJJ
- 4.If CAT is written as BZS, how is PEN written in the same code? (a) PEN (b) NCL (c) QFO (d) ODM
- 5.If GOLD is written as TLOW, how is SHIP written in the same code? (a) ITSL (b) GRQJ (c) TIJQ (d) HSRK
- 6.If DESK is written as MUGF, how is BOAT written in the same code? (a) TAOB (b) RYMZ (c) DQCV (d) VCQD
- 7.If MILK is written as KGJI, how is BOOK written in the same code? (a) ANNJ (b) ZMMI (c) DQQM (d) YLLH
- 8.If NEST is written as UTFO, how is JUMP written in the same code? (a) PMUJ (b) OLTI (c) KVNQ (d) QNVK
- 9.If RAIN is written as PKCT, how is PEN written in the same code? (a) NEP (b) LCN (c) RGP (d) PGR
- 10.If BOOK is written as KOOB, how is GOLD written in the same code? (a) HPME (b) CKNF (c) DLOG (d) EMPH
- 11.If JUMP is written as LWOR, how is MOON written in the same code? (a) PRRQ (b) OQQP (c) KMML (d) NPPO
- 12.If BELL is written as YVOO, how is FISH written in the same code? (a) VSIT (b) TQGR (c) URHS (d) GJTI
- 13.If GOLD is written as DLOG, how is HAND written in the same code? (a) EOBI (b) IBOE (c) DNAH (d) CMZG
- 14.If LION is written as JGML, how is DRUM written in the same code? (a) BPSK (b) AORJ (c) FTWO (d) CQTL
- 15.If NEST is written as MDRS, how is MOON written in the same code? (a) KMML (b) MOON (c) LNNM (d) NPPO
- 16.If BALL is written as LLAB, how is PARK written in the same code? (a) JQZO (b) QBSL (c) KRAP (d) LSBQ
- 17.If TOYS is written as SNXR, how is CAT written in the same code? (a) CAT (b) DBU (c) AYR (d) BZS
- 18.If PARK is written as SDUN, how is STAR written in the same code? (a) PQXO (b) VWDU (c) UVCT (d) WXEV
- 19.If BOOK is written as LPPC, how is DRUM written in the same code? (a) MURD (b) LTQC (c) ESVN (d) NVSE
- 20.If BOOK is written as KOOB, how is FISH written in the same code? (a) GJTI (b) GRHE (c) HSIF (d) ITJG
- 21.If DRUM is written as WIFN, how is CAKE written in the same code? (a) XZPV (b) WYOU (c) DBLF (d) YAQW
- 22.If NEST is written as SRDM, how is MILK written in the same code? (a) LHKJ (b) LMJN (c) JKHL (d) KLIM
- 23.If TREE is written as GGTV, how is BOAT written in the same code? (a) DQCV (b) RYMZ (c) TAOB (d) VCQD
- 24.If DOG is written as GRJ, how is BOOK written in the same code? (a) YLLH (b) ERRN (c) FSSO (d) DQQM
- 25.If LAMP is written as KZLO, how is WIND written in the same code? (a) UGLB (b) WIND (c) VHMC (d) XJOE
- 26.If JUMP is written as LWOR, how is STAR written in the same code? (a) TUBS (b) UVCT (c) QRYP (d) VWDU
- 27.If LION is written as NOIL, how is WIND written in the same code? (a) EOJX (b) CMHV (c) XJOE (d) DNIW
- 28.If MILK is written as NROP, how is TOYS written in the same code? (a) HMCI (b) UPZT (c) GLBH (d) FKAG
- 29.If SHIP is written as PIHS, how is DESK written in the same code? (a) KSED (b) EFTL (c) JRDC (d) LTFE
- 30.If JUMP is written as PMUJ, how is DESK written in the same code? (a) EFTL (b) LTFE (c) JRDC (d) KSED
- 31.If LION is written as ORLM, how is NEST written in the same code? (a) OFTU (b) LUGF (c) NWIH (d) MVHG
- 32.If TREE is written as VTGG, how is WIND written in the same code? (a) XJOE (b) UGLB (c) ZLQG (d) YKPF
- 33.If SHIP is written as HSRK, how is CAT written in the same code? (a) YAH (b) WYF (c) XZG (d) DBU
- 34.If CAT is written as FDW, how is CAKE written in the same code? (a) GEOI (b) ZXHB (c) ECMG (d) FDNH
- 35.If CAT is written as TAC, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) KVNQ (d) PMUJ
- 36.If PEN is written as NEP, how is LION written in the same code? (a) OPJM (b) MNHK (c) NOIL (d) MJPO
- 37.If LION is written as PQKN, how is COLD written in the same code? (a) DLOC (b) BJMA (c) EQNF (d) FNQE
- 38.If BOOK is written as ERRN, how is LAMP written in the same code? (a) IXJM (b) ODPS (c) PEQT (d) NCOR
- 39.If FROG is written as UILT, how is BELL written in the same code? (a) CFMM (b) YVOO (c) XUNN (d) ZWPP
- 40.If HAND is written as DNAH, how is TREE written in the same code? (a) EERT (b) USFF (c) DDQS (d) FFSU
Answer key
- DNIW
- DNAH
- ADKK
- ODM
- HSRK
- VCQD
- ZMMI
- QNVK
- PGR
- DLOG
- OQQP
- URHS
- DNAH
- BPSK
- LNNM
- KRAP
- BZS
- VWDU
- NVSE
- HSIF
- XZPV
- JKHL
- VCQD
- ERRN
- VHMC
- UVCT
- DNIW
- GLBH
- KSED
- KSED
- MVHG
- YKPF
- XZG
- FDNH
- PMUJ
- NOIL
- FNQE
- ODPS
- YVOO
- EERT
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