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 MILK is written as NJML, how is DRUM written in the same code? (a) CQTL (b) NVSE (c) FTWO (d) ESVN
- 2.If FISH is written as URHS, how is CAKE written in the same code? (a) WYOU (b) XZPV (c) YAQW (d) DBLF
- 3.If TREE is written as EERT, how is NEST written in the same code? (a) OFTU (b) SRDM (c) TSEN (d) UTFO
- 4.If HAND is written as IBOE, how is LION written in the same code? (a) OPJM (b) KHNM (c) NKQP (d) MJPO
- 5.If HAND is written as DNAH, how is BELL written in the same code? (a) KKDA (b) LLEB (c) CFMM (d) MMFC
- 6.If LION is written as NKQP, how is STAR written in the same code? (a) UVCT (b) TUBS (c) VWDU (d) QRYP
- 7.If PARK is written as NYPI, how is BOAT written in the same code? (a) YLXQ (b) ZMYR (c) DQCV (d) ANZS
- 8.If BOOK is written as KOOB, how is PEN written in the same code? (a) QFO (b) OFQ (c) MDO (d) NEP
- 9.If MILK is written as KLIM, how is FISH written in the same code? (a) HSIF (b) ITJG (c) GJTI (d) GRHE
- 10.If DOG is written as HPE, how is CAKE written in the same code? (a) DJZB (b) FLBD (c) DBLF (d) EKAC
- 11.If BELL is written as KKDA, how is PEN written in the same code? (a) MDO (b) ODM (c) NEP (d) OFQ
- 12.If FISH is written as DGQF, how is HAND written in the same code? (a) JCPF (b) EXKA (c) FYLB (d) GZMC
- 13.If WIND is written as UGLB, how is TREE written in the same code? (a) QOBB (b) SQDD (c) VTGG (d) RPCC
- 14.If JUMP is written as PMUJ, how is RAIN written in the same code? (a) SBJO (b) NIAR (c) OJBS (d) MHZQ
- 15.If TREE is written as EERT, how is HAND written in the same code? (a) IBOE (b) CMZG (c) EOBI (d) DNAH
- 16.If PEN is written as PGR, how is TREE written in the same code? (a) GGTV (b) VTGG (c) EERT (d) CCPR
- 17.If KITE is written as FUJL, how is COLD written in the same code? (a) DLOC (b) CKNB (c) DPME (d) EMPD
- 18.If STAR is written as VWDU, how is LION written in the same code? (a) NKQP (b) OLRQ (c) PMSR (d) IFLK
- 19.If DOG is written as GRJ, how is RAIN written in the same code? (a) UDLQ (b) OXFK (c) TCKP (d) VEMR
- 20.If MILK is written as KLIM, how is DRUM written in the same code? (a) ESVN (b) MURD (c) NVSE (d) LTQC
- 21.If STAR is written as UVCT, how is SHIP written in the same code? (a) TIJQ (b) VKLS (c) QFGN (d) UJKR
- 22.If GOLD is written as DLOG, how is NEST written in the same code? (a) TSEN (b) UTFO (c) SRDM (d) OFTU
- 23.If SHIP is written as PIHS, how is HAND written in the same code? (a) CMZG (b) IBOE (c) EOBI (d) DNAH
- 24.If SHIP is written as PIHS, how is DRUM written in the same code? (a) ESVN (b) NVSE (c) LTQC (d) MURD
- 25.If PARK is written as KRAP, how is TOYS written in the same code? (a) UPZT (b) SYOT (c) TZPU (d) RXNS
- 26.If KITE is written as LJUF, how is GOLD written in the same code? (a) IQNF (b) FNKC (c) EMPH (d) HPME
- 27.If KITE is written as PRGV, how is PARK written in the same code? (a) KZIP (b) QBSL (c) LAJQ (d) JYHO
- 28.If HAND is written as KDQG, how is TOYS written in the same code? (a) VQAU (b) QLVP (c) XSCW (d) WRBV
- 29.If GOLD is written as EMJB, how is BOAT written in the same code? (a) YLXQ (b) ZMYR (c) ANZS (d) DQCV
- 30.If PARK is written as RCTM, how is BOAT written in the same code? (a) ZMYR (b) ERDW (c) DQCV (d) CPBU
- 31.If NEST is written as UTFO, how is BOOK written in the same code? (a) JNNA (b) LPPC (c) KOOB (d) CPPL
- 32.If STAR is written as RATS, how is WIND written in the same code? (a) EOJX (b) XJOE (c) CMHV (d) DNIW
- 33.If CAT is written as AYR, how is LION written in the same code? (a) KHNM (b) IFLK (c) NKQP (d) JGML
- 34.If HAND is written as IBOE, how is NEST written in the same code? (a) MDRS (b) UTFO (c) OFTU (d) PGUV
- 35.If KITE is written as DSHJ, how is BOAT written in the same code? (a) UBPC (b) ANZS (c) SZNA (d) TAOB
- 36.If WIND is written as UGLB, how is DESK written in the same code? (a) ABPH (b) CDRJ (c) FGUM (d) BCQI
- 37.If DRUM is written as NVSE, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) JNNA (d) CPPL
- 38.If TREE is written as GIVV, how is COLD written in the same code? (a) DPME (b) XLOW (c) YMPX (d) WKNV
- 39.If DOG is written as IQF, how is BOOK written in the same code? (a) DQQM (b) KOOB (c) MQQD (d) IMMZ
- 40.If MOON is written as NOOM, how is SHIP written in the same code? (a) TIJQ (b) QJIT (c) OHGR (d) PIHS
Answer key
- ESVN
- XZPV
- TSEN
- MJPO
- LLEB
- UVCT
- ZMYR
- NEP
- HSIF
- FLBD
- MDO
- FYLB
- RPCC
- NIAR
- DNAH
- GGTV
- EMPD
- OLRQ
- UDLQ
- MURD
- UJKR
- TSEN
- DNAH
- MURD
- SYOT
- HPME
- KZIP
- WRBV
- ZMYR
- DQCV
- LPPC
- DNIW
- JGML
- OFTU
- SZNA
- BCQI
- LPPC
- XLOW
- MQQD
- PIHS
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