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 MILK is written as NROP, how is BALL written in the same code? (a) CBMM (b) ZAPP (c) YZOO (d) XYNN
- 2.If DOG is written as HPE, how is LION written in the same code? (a) OPJM (b) MJPO (c) MNHK (d) NOIL
- 3.If TOYS is written as SYOT, how is FROG written in the same code? (a) FNQE (b) GSPH (c) GORF (d) HPSG
- 4.If PARK is written as MTCR, how is CAKE written in the same code? (a) GMCE (b) EKAC (c) CIYA (d) ECMG
- 5.If GOLD is written as IQNF, how is LAMP written in the same code? (a) JYKN (b) NCOR (c) MBNQ (d) ODPS
- 6.If MOON is written as NLLM, how is SHIP written in the same code? (a) ITSL (b) TIJQ (c) GRQJ (d) HSRK
- 7.If LAMP is written as NCOR, how is RAIN written in the same code? (a) TCKP (b) PYGL (c) UDLQ (d) SBJO
- 8.If TREE is written as EERT, how is BOAT written in the same code? (a) SZNA (b) UBPC (c) TAOB (d) CPBU
- 9.If GOLD is written as FNQI, how is SUN written in the same code? (a) NUS (b) UWP (c) PWU (d) LSQ
- 10.If FROG is written as DPME, how is BELL written in the same code? (a) YBII (b) DGNN (c) ADKK (d) ZCJJ
- 11.If LAMP is written as QNBM, how is TREE written in the same code? (a) DDQS (b) FFSU (c) USFF (d) EERT
- 12.If COLD is written as AMJB, how is DESK written in the same code? (a) FGUM (b) BCQI (c) CDRJ (d) ABPH
- 13.If TOYS is written as GLBH, how is MILK written in the same code? (a) OSPQ (b) MQNO (c) NROP (d) NJML
- 14.If RAIN is written as NIAR, how is LAMP written in the same code? (a) PMAL (b) OLZK (c) MBNQ (d) QNBM
- 15.If BALL is written as AZKK, how is TOYS written in the same code? (a) RMWQ (b) SNXR (c) UPZT (d) TOYS
- 16.If JUMP is written as QFNK, how is WIND written in the same code? (a) XJOE (b) DRMW (c) CQLV (d) ESNX
- 17.If SHIP is written as VKLS, how is BELL written in the same code? (a) EHOO (b) YBII (c) FIPP (d) DGNN
- 18.If SUN is written as HFM, how is DRUM written in the same code? (a) ESVN (b) XJGO (c) VHEM (d) WIFN
- 19.If MILK is written as KLIM, how is BALL written in the same code? (a) KKZA (b) MMBC (c) CBMM (d) LLAB
- 20.If BALL is written as YZOO, how is DRUM written in the same code? (a) XJGO (b) VHEM (c) ESVN (d) WIFN
- 21.If LION is written as PQKN, how is LAMP written in the same code? (a) ROCN (b) PMAL (c) NKYJ (d) NCOR
- 22.If CAKE is written as XZPV, how is STAR written in the same code? (a) HGZI (b) GFYH (c) TUBS (d) IHAJ
- 23.If LAMP is written as OLZK, how is WIND written in the same code? (a) VHMC (b) CMHV (c) DNIW (d) EOJX
- 24.If GOLD is written as FNKC, how is RAIN written in the same code? (a) RAIN (b) PYGL (c) SBJO (d) QZHM
- 25.If SUN is written as PWU, how is LAMP written in the same code? (a) ROCN (b) NKYJ (c) PMAL (d) NCOR
- 26.If LION is written as NOIL, how is MILK written in the same code? (a) JKHL (b) NJML (c) LMJN (d) KLIM
- 27.If TREE is written as GGTV, how is LION written in the same code? (a) LMGJ (b) NOIL (c) NKQP (d) PQKN
- 28.If NEST is written as VUGP, how is SHIP written in the same code? (a) UJKR (b) PIHS (c) NGFQ (d) RKJU
- 29.If BOOK is written as YLLP, how is CAT written in the same code? (a) XZG (b) DBU (c) WYF (d) YAH
- 30.If STAR is written as UVCT, how is COLD written in the same code? (a) FROG (b) AMJB (c) DPME (d) EQNF
- 31.If MILK is written as LHKJ, how is KITE written in the same code? (a) KITE (b) IGRC (c) JHSD (d) LJUF
- 32.If TREE is written as FFSU, how is FISH written in the same code? (a) ITJG (b) HSIF (c) GJTI (d) GRHE
- 33.If FISH is written as HKUJ, how is SUN written in the same code? (a) UWP (b) TVO (c) VXQ (d) QSL
- 34.If BOAT is written as UBPC, how is DRUM written in the same code? (a) ESVN (b) NVSE (c) MURD (d) LTQC
- 35.If KITE is written as ETIK, how is PEN written in the same code? (a) OFQ (b) NEP (c) QFO (d) MDO
- 36.If DOG is written as WLT, how is NEST written in the same code? (a) MVHG (b) OFTU (c) LUGF (d) NWIH
- 37.If DOG is written as GOD, how is HAND written in the same code? (a) CMZG (b) IBOE (c) EOBI (d) DNAH
- 38.If NEST is written as MVHG, how is JUMP written in the same code? (a) RGOL (b) QFNK (c) KVNQ (d) PEMJ
- 39.If LAMP is written as PMAL, how is GOLD written in the same code? (a) HPME (b) CKNF (c) EMPH (d) DLOG
- 40.If SHIP is written as UJKR, how is FISH written in the same code? (a) HKUJ (b) ILVK (c) GJTI (d) DGQF
Answer key
- YZOO
- OPJM
- GORF
- GMCE
- NCOR
- HSRK
- TCKP
- TAOB
- PWU
- ZCJJ
- FFSU
- BCQI
- NROP
- PMAL
- SNXR
- DRMW
- EHOO
- WIFN
- LLAB
- WIFN
- ROCN
- HGZI
- CMHV
- QZHM
- ROCN
- KLIM
- PQKN
- RKJU
- XZG
- EQNF
- JHSD
- ITJG
- UWP
- NVSE
- NEP
- MVHG
- DNAH
- QFNK
- DLOG
- HKUJ
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