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 CAKE is written as DBLF, how is BOAT written in the same code? (a) DQCV (b) CPBU (c) UBPC (d) ANZS
- 2.If PEN is written as KVM, how is KITE written in the same code? (a) OQFU (b) QSHW (c) PRGV (d) LJUF
- 3.If CAKE is written as XZPV, how is PEN written in the same code? (a) LWN (b) QFO (c) JUL (d) KVM
- 4.If MILK is written as NROP, how is BALL written in the same code? (a) YZOO (b) CBMM (c) ZAPP (d) XYNN
- 5.If MOON is written as NOOM, how is LION written in the same code? (a) MNHK (b) OPJM (c) MJPO (d) NOIL
- 6.If BOOK is written as ZMMI, how is CAKE written in the same code? (a) AYIC (b) BZJD (c) ZXHB (d) ECMG
- 7.If DESK is written as KSED, how is PARK written in the same code? (a) JQZO (b) KRAP (c) QBSL (d) LSBQ
- 8.If MILK is written as KLIM, how is WIND written in the same code? (a) EOJX (b) XJOE (c) CMHV (d) DNIW
- 9.If DESK is written as KSED, how is MOON written in the same code? (a) OPPN (b) MNNL (c) NPPO (d) NOOM
- 10.If FISH is written as HSIF, how is WIND written in the same code? (a) XJOE (b) CMHV (c) DNIW (d) EOJX
- 11.If DESK is written as CDRJ, how is MILK written in the same code? (a) KGJI (b) NJML (c) LHKJ (d) MILK
- 12.If CAT is written as ECV, how is KITE written in the same code? (a) IGRC (b) LJUF (c) NLWH (d) MKVG
- 13.If MILK is written as JKHL, how is LAMP written in the same code? (a) PMAL (b) KZLO (c) OLZK (d) QNBM
- 14.If BOOK is written as KOOB, how is RAIN written in the same code? (a) NIAR (b) OJBS (c) SBJO (d) MHZQ
- 15.If STAR is written as RATS, how is LION written in the same code? (a) MNHK (b) OPJM (c) MJPO (d) NOIL
- 16.If KITE is written as LJUF, how is PARK written in the same code? (a) RCTM (b) LSBQ (c) QBSL (d) OZQJ
- 17.If SUN is written as RTM, how is GOLD written in the same code? (a) EMJB (b) GOLD (c) HPME (d) FNKC
- 18.If PARK is written as KZIP, how is CAKE written in the same code? (a) DBLF (b) XZPV (c) YAQW (d) WYOU
- 19.If KITE is written as GVKM, how is MILK written in the same code? (a) KLIM (b) OKNM (c) MNKO (d) IJGK
- 20.If BOOK is written as YLLP, how is NEST written in the same code? (a) OFTU (b) NWIH (c) LUGF (d) MVHG
- 21.If PEN is written as QFO, how is TREE written in the same code? (a) VTGG (b) SQDD (c) FFSU (d) USFF
- 22.If FROG is written as IURJ, how is COLD written in the same code? (a) FROG (b) ZLIA (c) GSPH (d) EQNF
- 23.If STAR is written as SBUT, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) JNNA (d) LPPC
- 24.If JUMP is written as QFNK, how is DOG written in the same code? (a) EPH (b) WLT (c) XMU (d) VKS
- 25.If JUMP is written as OLTI, how is DESK written in the same code? (a) LTFE (b) JRDC (c) CDRJ (d) KSED
- 26.If LAMP is written as PMAL, how is SUN written in the same code? (a) OVT (b) MTR (c) TVO (d) NUS
- 27.If DRUM is written as MURD, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) HPME (d) DLOG
- 28.If LION is written as OPJM, how is DRUM written in the same code? (a) MURD (b) NVSE (c) ESVN (d) LTQC
- 29.If TOYS is written as RXNS, how is CAKE written in the same code? (a) BZJD (b) DJZB (c) FLBD (d) EKAC
- 30.If GOLD is written as FNQI, how is NEST written in the same code? (a) VUGP (b) PGUV (c) TSEN (d) RQCL
- 31.If MILK is written as NROP, how is LION written in the same code? (a) ORLM (b) PSMN (c) MJPO (d) NQKL
- 32.If LION is written as MNHK, how is BALL written in the same code? (a) MMBC (b) LLAB (c) KKZA (d) AZKK
- 33.If BALL is written as NNCD, how is CAKE written in the same code? (a) GMCE (b) EKAC (c) ECMG (d) CIYA
- 34.If WIND is written as DRMW, how is CAKE written in the same code? (a) YAQW (b) DBLF (c) XZPV (d) WYOU
- 35.If BOAT is written as YLZG, how is TREE written in the same code? (a) HJWW (b) USFF (c) GIVV (d) FHUU
- 36.If BELL is written as LLEB, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) LPPC (d) JNNA
- 37.If HAND is written as SZMW, how is MILK written in the same code? (a) MQNO (b) OSPQ (c) NJML (d) NROP
- 38.If LAMP is written as MBNQ, how is WIND written in the same code? (a) XJOE (b) EOJX (c) VHMC (d) YKPF
- 39.If SUN is written as HFM, how is WIND written in the same code? (a) DRMW (b) ESNX (c) XJOE (d) CQLV
- 40.If BALL is written as YZOO, how is TOYS written in the same code? (a) FKAG (b) UPZT (c) HMCI (d) GLBH
Answer key
- CPBU
- PRGV
- KVM
- YZOO
- NOIL
- AYIC
- KRAP
- DNIW
- NOOM
- DNIW
- LHKJ
- MKVG
- OLZK
- NIAR
- NOIL
- QBSL
- FNKC
- XZPV
- MNKO
- MVHG
- USFF
- FROG
- LPPC
- WLT
- JRDC
- NUS
- DLOG
- NVSE
- DJZB
- VUGP
- ORLM
- KKZA
- GMCE
- XZPV
- GIVV
- KOOB
- NROP
- XJOE
- DRMW
- GLBH
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