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 LION is written as MNHK, how is CAKE written in the same code? (a) BZJD (b) EKAC (c) FLBD (d) DJZB
- 2.If TREE is written as GIVV, how is DRUM written in the same code? (a) VHEM (b) WIFN (c) ESVN (d) XJGO
- 3.If BELL is written as DGNN, how is BALL written in the same code? (a) ZYJJ (b) CBMM (c) DCNN (d) EDOO
- 4.If FROG is written as DPME, how is LAMP written in the same code? (a) NCOR (b) IXJM (c) KZLO (d) JYKN
- 5.If GOLD is written as TLOW, how is CAKE written in the same code? (a) YAQW (b) WYOU (c) XZPV (d) DBLF
- 6.If KITE is written as GVKM, how is BOAT written in the same code? (a) RYMZ (b) DQCV (c) VCQD (d) TAOB
- 7.If LAMP is written as OLZK, how is COLD written in the same code? (a) CKNB (b) DLOC (c) EMPD (d) BNKC
- 8.If CAKE is written as FLBD, how is BOAT written in the same code? (a) TAOB (b) CPBU (c) UBPC (d) SZNA
- 9.If CAT is written as TAC, how is SUN written in the same code? (a) NUS (b) TVO (c) MTR (d) OVT
- 10.If LAMP is written as PMAL, how is SUN written in the same code? (a) TVO (b) NUS (c) MTR (d) OVT
- 11.If SHIP is written as OHGR, how is MOON written in the same code? (a) OPPN (b) LNNM (c) NOOM (d) MNNL
- 12.If LION is written as OLRQ, how is BALL written in the same code? (a) FEPP (b) YXII (c) DCNN (d) EDOO
- 13.If JUMP is written as ITLO, how is DESK written in the same code? (a) CDRJ (b) EFTL (c) BCQI (d) DESK
- 14.If SUN is written as NUS, how is DESK written in the same code? (a) KSED (b) EFTL (c) JRDC (d) LTFE
- 15.If PEN is written as SHQ, how is COLD written in the same code? (a) ZLIA (b) FROG (c) EQNF (d) GSPH
- 16.If BOAT is written as TAOB, how is FISH written in the same code? (a) GRHE (b) GJTI (c) HSIF (d) ITJG
- 17.If FISH is written as URHS, how is GOLD written in the same code? (a) TLOW (b) UMPX (c) HPME (d) SKNV
- 18.If BALL is written as LLAB, how is DESK written in the same code? (a) KSED (b) LTFE (c) EFTL (d) JRDC
- 19.If FISH is written as JUKH, how is KITE written in the same code? (a) GVKM (b) MKVG (c) ETIK (d) CRGI
- 20.If BELL is written as EHOO, how is CAT written in the same code? (a) ECV (b) GEX (c) ZXQ (d) FDW
- 21.If NEST is written as TSEN, how is DRUM written in the same code? (a) NVSE (b) MURD (c) ESVN (d) LTQC
- 22.If TOYS is written as SYOT, how is TREE written in the same code? (a) EERT (b) USFF (c) DDQS (d) FFSU
- 23.If PARK is written as MTCR, how is BOAT written in the same code? (a) VCQD (b) TAOB (c) DQCV (d) RYMZ
- 24.If KITE is written as PRGV, how is LION written in the same code? (a) MJPO (b) PSMN (c) NQKL (d) ORLM
- 25.If MILK is written as PLON, how is BOAT written in the same code? (a) DQCV (b) YLXQ (c) ERDW (d) FSEX
- 26.If PEN is written as OFQ, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) JQZO (d) QBSL
- 27.If STAR is written as TCVU, how is BOAT written in the same code? (a) VCQD (b) TAOB (c) DQCV (d) RYMZ
- 28.If BALL is written as ZYJJ, how is TREE written in the same code? (a) QOBB (b) RPCC (c) SQDD (d) VTGG
- 29.If KITE is written as ETIK, how is BOOK written in the same code? (a) JNNA (b) KOOB (c) LPPC (d) CPPL
- 30.If GOLD is written as TLOW, how is KITE written in the same code? (a) QSHW (b) OQFU (c) PRGV (d) LJUF
- 31.If DOG is written as EPH, how is BELL written in the same code? (a) CFMM (b) ADKK (c) MMFC (d) DGNN
- 32.If PEN is written as OFQ, how is GOLD written in the same code? (a) EMPH (b) HPME (c) DLOG (d) CKNF
- 33.If BELL is written as NNGD, how is TOYS written in the same code? (a) SYOT (b) UAQV (c) VQAU (d) QWMR
- 34.If DOG is written as EPH, how is DESK written in the same code? (a) CDRJ (b) FGUM (c) LTFE (d) EFTL
- 35.If PARK is written as KRAP, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) DBLF (d) EKAC
- 36.If BOAT is written as ANZS, how is FROG written in the same code? (a) DPME (b) GSPH (c) FROG (d) EQNF
- 37.If BALL is written as YZOO, how is STAR written in the same code? (a) HGZI (b) TUBS (c) IHAJ (d) GFYH
- 38.If PARK is written as KZIP, how is DESK written in the same code? (a) VUGO (b) EFTL (c) WVHP (d) XWIQ
- 39.If STAR is written as RATS, how is KITE written in the same code? (a) ETIK (b) LJUF (c) DSHJ (d) FUJL
- 40.If GOLD is written as FNQI, how is SUN written in the same code? (a) NUS (b) LSQ (c) PWU (d) UWP
Answer key
- DJZB
- WIFN
- DCNN
- JYKN
- XZPV
- VCQD
- CKNB
- UBPC
- NUS
- NUS
- MNNL
- EDOO
- CDRJ
- KSED
- FROG
- HSIF
- TLOW
- KSED
- GVKM
- FDW
- MURD
- EERT
- VCQD
- ORLM
- ERDW
- LSBQ
- VCQD
- RPCC
- KOOB
- PRGV
- CFMM
- EMPH
- UAQV
- EFTL
- EKAC
- EQNF
- HGZI
- WVHP
- ETIK
- PWU
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