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 COLD is written as XLOW, how is NEST written in the same code? (a) OFTU (b) NWIH (c) MVHG (d) LUGF
- 2.If BELL is written as CFMM, how is DOG written in the same code? (a) FQI (b) CNF (c) HPE (d) EPH
- 3.If CAKE is written as ECMG, how is TOYS written in the same code? (a) RMWQ (b) WRBV (c) UPZT (d) VQAU
- 4.If DESK is written as WVHP, how is TOYS written in the same code? (a) FKAG (b) HMCI (c) UPZT (d) GLBH
- 5.If CAKE is written as DJZB, how is BOAT written in the same code? (a) UBPC (b) ANZS (c) SZNA (d) TAOB
- 6.If WIND is written as UGLB, how is SUN written in the same code? (a) RTM (b) UWP (c) PRK (d) QSL
- 7.If CAT is written as VCE, how is DRUM written in the same code? (a) OWTF (b) MURD (c) KSPB (d) FTWO
- 8.If FROG is written as FNQE, how is MILK written in the same code? (a) JKHL (b) KLIM (c) LMJN (d) LHKJ
- 9.If NEST is written as UTFO, how is MILK written in the same code? (a) JKHL (b) NJML (c) LMJN (d) KLIM
- 10.If GOLD is written as IQNF, how is BELL written in the same code? (a) DGNN (b) EHOO (c) ZCJJ (d) CFMM
- 11.If LAMP is written as PMAL, how is MOON written in the same code? (a) OPPN (b) MNNL (c) NPPO (d) NOOM
- 12.If DOG is written as FNC, how is CAT written in the same code? (a) SZB (b) UBD (c) TAC (d) BZS
- 13.If LION is written as OPJM, how is KITE written in the same code? (a) LJUF (b) FUJL (c) ETIK (d) DSHJ
- 14.If KITE is written as DSHJ, how is RAIN written in the same code? (a) MHZQ (b) OJBS (c) QZHM (d) NIAR
- 15.If TREE is written as EERT, how is CAKE written in the same code? (a) EKAC (b) FLBD (c) DJZB (d) DBLF
- 16.If RAIN is written as IZRM, how is FROG written in the same code? (a) UILT (b) GSPH (c) THKS (d) VJMU
- 17.If WIND is written as CMHV, how is BOAT written in the same code? (a) SZNA (b) ANZS (c) UBPC (d) TAOB
- 18.If TOYS is written as SYOT, how is CAKE written in the same code? (a) DBLF (b) EKAC (c) FLBD (d) DJZB
- 19.If SUN is written as NUS, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) HPME (d) DLOG
- 20.If COLD is written as EMPD, how is HAND written in the same code? (a) IBOE (b) EOBI (c) DNAH (d) CMZG
- 21.If KITE is written as MKVG, how is STAR written in the same code? (a) VWDU (b) QRYP (c) TUBS (d) UVCT
- 22.If BELL is written as LLEB, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) PIHS (d) OHGR
- 23.If SHIP is written as OHGR, how is JUMP written in the same code? (a) QNVK (b) ITLO (c) OLTI (d) PMUJ
- 24.If PEN is written as NEP, how is MOON written in the same code? (a) OPPN (b) NPPO (c) MNNL (d) NOOM
- 25.If NEST is written as VUGP, how is HAND written in the same code? (a) DNAH (b) JCPF (c) BLYF (d) FPCJ
- 26.If GOLD is written as JROG, how is LION written in the same code? (a) NKQP (b) OLRQ (c) PMSR (d) IFLK
- 27.If TOYS is written as GLBH, how is JUMP written in the same code? (a) RGOL (b) KVNQ (c) QFNK (d) PEMJ
- 28.If BOAT is written as TAOB, how is DRUM written in the same code? (a) ESVN (b) LTQC (c) MURD (d) NVSE
- 29.If DOG is written as EPH, how is DESK written in the same code? (a) CDRJ (b) EFTL (c) FGUM (d) LTFE
- 30.If NEST is written as MVHG, how is BOAT written in the same code? (a) ZMAH (b) XKYF (c) CPBU (d) YLZG
- 31.If HAND is written as GZMC, how is WIND written in the same code? (a) XJOE (b) WIND (c) VHMC (d) UGLB
- 32.If RAIN is written as IZRM, how is MOON written in the same code? (a) OMMN (b) NLLM (c) NPPO (d) MKKL
- 33.If DRUM is written as LTQC, how is STAR written in the same code? (a) RATS (b) RSZQ (c) QZSR (d) SBUT
- 34.If LION is written as OPJM, how is BOAT written in the same code? (a) UBPC (b) TAOB (c) SZNA (d) CPBU
- 35.If KITE is written as NLWH, how is FISH written in the same code? (a) JMWL (b) HKUJ (c) ILVK (d) CFPE
- 36.If CAKE is written as FDNH, how is COLD written in the same code? (a) GSPH (b) FROG (c) EQNF (d) ZLIA
- 37.If RAIN is written as UDLQ, how is TOYS written in the same code? (a) QLVP (b) WRBV (c) VQAU (d) XSCW
- 38.If BALL is written as DCNN, how is BELL written in the same code? (a) DGNN (b) CFMM (c) ZCJJ (d) EHOO
- 39.If PARK is written as RCTM, how is SUN written in the same code? (a) TVO (b) UWP (c) VXQ (d) QSL
- 40.If FROG is written as HTQI, how is JUMP written in the same code? (a) LWOR (b) MXPS (c) HSKN (d) KVNQ
Answer key
- MVHG
- EPH
- VQAU
- GLBH
- SZNA
- QSL
- OWTF
- JKHL
- LMJN
- DGNN
- NOOM
- SZB
- FUJL
- MHZQ
- EKAC
- UILT
- SZNA
- EKAC
- DLOG
- EOBI
- UVCT
- PIHS
- OLTI
- NOOM
- FPCJ
- OLRQ
- QFNK
- MURD
- EFTL
- YLZG
- VHMC
- NLLM
- QZSR
- UBPC
- ILVK
- FROG
- WRBV
- DGNN
- UWP
- LWOR
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