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 TREE is written as FFSU, how is RAIN written in the same code? (a) MHZQ (b) NIAR (c) OJBS (d) SBJO
- 2.If FROG is written as FNQE, how is HAND written in the same code? (a) GZMC (b) EOBI (c) CMZG (d) DNAH
- 3.If FROG is written as GORF, how is PEN written in the same code? (a) MDO (b) NEP (c) QFO (d) OFQ
- 4.If TOYS is written as VQAU, how is RAIN written in the same code? (a) SBJO (b) TCKP (c) UDLQ (d) PYGL
- 5.If DOG is written as WLT, how is BOAT written in the same code? (a) CPBU (b) XKYF (c) YLZG (d) ZMAH
- 6.If TOYS is written as TZPU, how is CAT written in the same code? (a) UBD (b) TAC (c) DBU (d) SZB
- 7.If PARK is written as OZQJ, how is KITE written in the same code? (a) LJUF (b) KITE (c) IGRC (d) JHSD
- 8.If FROG is written as FNQE, how is TREE written in the same code? (a) EERT (b) FFSU (c) SQDD (d) DDQS
- 9.If JUMP is written as LWOR, how is KITE written in the same code? (a) NLWH (b) MKVG (c) IGRC (d) LJUF
- 10.If TREE is written as GIVV, how is SUN written in the same code? (a) GEL (b) HFM (c) IGN (d) TVO
- 11.If CAKE is written as XZPV, how is NEST written in the same code? (a) OFTU (b) NWIH (c) LUGF (d) MVHG
- 12.If PEN is written as NEP, how is LAMP written in the same code? (a) MBNQ (b) OLZK (c) QNBM (d) PMAL
- 13.If KITE is written as GVKM, how is BOAT written in the same code? (a) DQCV (b) TAOB (c) VCQD (d) RYMZ
- 14.If LAMP is written as OLZK, how is BOOK written in the same code? (a) KOOB (b) ANNJ (c) LPPC (d) JNNA
- 15.If DRUM is written as LTQC, how is BOOK written in the same code? (a) ANNJ (b) LPPC (c) KOOB (d) JNNA
- 16.If MOON is written as NPPO, how is KITE written in the same code? (a) MKVG (b) LJUF (c) FUJL (d) JHSD
- 17.If TREE is written as SQDD, how is BOOK written in the same code? (a) BOOK (b) CPPL (c) ZMMI (d) ANNJ
- 18.If FROG is written as GORF, how is HAND written in the same code? (a) IBOE (b) DNAH (c) CMZG (d) EOBI
- 19.If TREE is written as WUHH, how is FISH written in the same code? (a) JMWL (b) HKUJ (c) CFPE (d) ILVK
- 20.If BALL is written as NNCD, how is FROG written in the same code? (a) GORF (b) IQTH (c) EMPD (d) HTQI
- 21.If SHIP is written as VKLS, how is DOG written in the same code? (a) FQI (b) ALD (c) HSK (d) GRJ
- 22.If DRUM is written as MURD, how is FROG written in the same code? (a) FNQE (b) HPSG (c) GSPH (d) GORF
- 23.If HAND is written as IBOE, how is BOOK written in the same code? (a) CPPL (b) LPPC (c) DQQM (d) ANNJ
- 24.If MILK is written as KLIM, how is FISH written in the same code? (a) GRHE (b) ITJG (c) GJTI (d) HSIF
- 25.If BOAT is written as ZMYR, how is STAR written in the same code? (a) QRYP (b) PQXO (c) UVCT (d) RSZQ
- 26.If FISH is written as GJTI, how is WIND written in the same code? (a) YKPF (b) XJOE (c) EOJX (d) VHMC
- 27.If PEN is written as QFO, how is DRUM written in the same code? (a) NVSE (b) ESVN (c) CQTL (d) FTWO
- 28.If COLD is written as XLOW, how is GOLD written in the same code? (a) SKNV (b) UMPX (c) TLOW (d) HPME
- 29.If CAT is written as UBD, how is NEST written in the same code? (a) OFTU (b) SRDM (c) UTFO (d) TSEN
- 30.If MOON is written as NPPO, how is TREE written in the same code? (a) USFF (b) SQDD (c) FFSU (d) VTGG
- 31.If STAR is written as QZSR, how is HAND written in the same code? (a) CMZG (b) GZMC (c) EOBI (d) DNAH
- 32.If KITE is written as DSHJ, how is NEST written in the same code? (a) TSEN (b) UTFO (c) SRDM (d) MDRS
- 33.If HAND is written as SZMW, how is CAT written in the same code? (a) YAH (b) DBU (c) XZG (d) WYF
- 34.If FISH is written as ILVK, how is DOG written in the same code? (a) HSK (b) ALD (c) GRJ (d) FQI
- 35.If LAMP is written as QNBM, how is FISH written in the same code? (a) HSIF (b) GRHE (c) ITJG (d) GJTI
- 36.If MILK is written as NROP, how is PARK written in the same code? (a) KZIP (b) JYHO (c) LAJQ (d) QBSL
- 37.If BOOK is written as JNNA, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) KRAP (d) OZQJ
- 38.If FROG is written as FNQE, how is DESK written in the same code? (a) JRDC (b) KSED (c) LTFE (d) CDRJ
- 39.If PEN is written as OFQ, how is BOOK written in the same code? (a) KOOB (b) LPPC (c) JNNA (d) CPPL
- 40.If JUMP is written as PMUJ, how is DRUM written in the same code? (a) NVSE (b) ESVN (c) MURD (d) LTQC
Answer key
- OJBS
- CMZG
- NEP
- TCKP
- YLZG
- UBD
- JHSD
- DDQS
- MKVG
- HFM
- MVHG
- PMAL
- VCQD
- JNNA
- JNNA
- LJUF
- ANNJ
- DNAH
- ILVK
- IQTH
- GRJ
- GORF
- CPPL
- HSIF
- QRYP
- XJOE
- ESVN
- TLOW
- UTFO
- USFF
- CMZG
- SRDM
- XZG
- GRJ
- ITJG
- KZIP
- JQZO
- JRDC
- LPPC
- MURD
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