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 DESK is written as GHVN, how is JUMP written in the same code? (a) MXPS (b) GRJM (c) LWOR (d) NYQT
- 2.If MILK is written as KLIM, how is SUN written in the same code? (a) MTR (b) NUS (c) OVT (d) TVO
- 3.If NEST is written as LCQR, how is PEN written in the same code? (a) RGP (b) ODM (c) MBK (d) NCL
- 4.If TREE is written as FFSU, how is LION written in the same code? (a) OPJM (b) NOIL (c) MNHK (d) MJPO
- 5.If COLD is written as DLOC, how is HAND written in the same code? (a) DNAH (b) EOBI (c) CMZG (d) IBOE
- 6.If LION is written as JGML, how is LAMP written in the same code? (a) NCOR (b) JYKN (c) KZLO (d) IXJM
- 7.If LAMP is written as OZNK, how is WIND written in the same code? (a) XJOE (b) DRMW (c) CQLV (d) ESNX
- 8.If FROG is written as GORF, how is PARK written in the same code? (a) QBSL (b) LSBQ (c) KRAP (d) JQZO
- 9.If PARK is written as KRAP, how is RAIN written in the same code? (a) NIAR (b) SBJO (c) MHZQ (d) OJBS
- 10.If PARK is written as KZIP, how is KITE written in the same code? (a) QSHW (b) OQFU (c) PRGV (d) LJUF
- 11.If CAKE is written as GMCE, how is BOOK written in the same code? (a) MQQD (b) KOOB (c) IMMZ (d) DQQM
- 12.If DESK is written as WVHP, how is TREE written in the same code? (a) USFF (b) HJWW (c) FHUU (d) GIVV
- 13.If JUMP is written as KVNQ, how is KITE written in the same code? (a) FUJL (b) MKVG (c) LJUF (d) JHSD
- 14.If PEN is written as NEP, how is WIND written in the same code? (a) EOJX (b) DNIW (c) XJOE (d) CMHV
- 15.If MOON is written as NLLM, how is HAND written in the same code? (a) IBOE (b) TANX (c) SZMW (d) RYLV
- 16.If STAR is written as QRYP, how is KITE written in the same code? (a) MKVG (b) JHSD (c) IGRC (d) HFQB
- 17.If MOON is written as OPPN, how is FISH written in the same code? (a) GJTI (b) ITJG (c) GRHE (d) HSIF
- 18.If HAND is written as GZMC, how is TREE written in the same code? (a) TREE (b) USFF (c) RPCC (d) SQDD
- 19.If PARK is written as KRAP, how is TREE written in the same code? (a) EERT (b) FFSU (c) DDQS (d) USFF
- 20.If BALL is written as KKZA, how is STAR written in the same code? (a) RSZQ (b) RATS (c) QZSR (d) SBUT
- 21.If BOOK is written as LPPC, how is LION written in the same code? (a) MNHK (b) NOIL (c) OPJM (d) MJPO
- 22.If FISH is written as DGQF, how is KITE written in the same code? (a) JHSD (b) HFQB (c) MKVG (d) IGRC
- 23.If PEN is written as QFO, how is KITE written in the same code? (a) FUJL (b) MKVG (c) JHSD (d) LJUF
- 24.If STAR is written as TCVU, how is HAND written in the same code? (a) DNAH (b) BLYF (c) JCPF (d) FPCJ
- 25.If HAND is written as IBOE, how is BOAT written in the same code? (a) ANZS (b) UBPC (c) CPBU (d) DQCV
- 26.If LION is written as OLRQ, how is DRUM written in the same code? (a) AORJ (b) GUXP (c) HVYQ (d) FTWO
- 27.If MOON is written as OQQP, how is MILK written in the same code? (a) PLON (b) KGJI (c) OKNM (d) NJML
- 28.If MILK is written as LHKJ, how is BOOK written in the same code? (a) ANNJ (b) CPPL (c) ZMMI (d) BOOK
- 29.If DRUM is written as MURD, how is DESK written in the same code? (a) EFTL (b) KSED (c) JRDC (d) LTFE
- 30.If COLD is written as CKNB, how is DESK written in the same code? (a) CDRJ (b) JRDC (c) KSED (d) LTFE
- 31.If HAND is written as DNAH, how is CAT written in the same code? (a) TAC (b) UBD (c) DBU (d) SZB
- 32.If DRUM is written as LTQC, how is TREE written in the same code? (a) EERT (b) FFSU (c) SQDD (d) DDQS
- 33.If COLD is written as XLOW, how is MOON written in the same code? (a) NPPO (b) OMMN (c) MKKL (d) NLLM
- 34.If NEST is written as LCQR, how is FISH written in the same code? (a) HKUJ (b) DGQF (c) CFPE (d) EHRG
- 35.If LION is written as NOIL, how is WIND written in the same code? (a) EOJX (b) DNIW (c) XJOE (d) CMHV
- 36.If GOLD is written as TLOW, how is NEST written in the same code? (a) MVHG (b) OFTU (c) NWIH (d) LUGF
- 37.If BOOK is written as KOOB, how is GOLD written in the same code? (a) CKNF (b) DLOG (c) HPME (d) EMPH
- 38.If DOG is written as IQF, how is DESK written in the same code? (a) FGUM (b) MUGF (c) KSED (d) IQCB
- 39.If PARK is written as KZIP, how is NEST written in the same code? (a) LUGF (b) NWIH (c) MVHG (d) OFTU
- 40.If SHIP is written as UJKR, how is LAMP written in the same code? (a) MBNQ (b) ODPS (c) NCOR (d) JYKN
Answer key
- MXPS
- NUS
- NCL
- OPJM
- DNAH
- JYKN
- DRMW
- KRAP
- NIAR
- PRGV
- MQQD
- GIVV
- LJUF
- DNIW
- SZMW
- IGRC
- ITJG
- SQDD
- EERT
- QZSR
- OPJM
- IGRC
- LJUF
- FPCJ
- CPBU
- GUXP
- OKNM
- ANNJ
- KSED
- JRDC
- TAC
- DDQS
- NLLM
- DGQF
- DNIW
- MVHG
- DLOG
- MUGF
- MVHG
- NCOR
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