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 BOOK is written as KOOB, how is GOLD written in the same code? (a) CKNF (b) DLOG (c) HPME (d) EMPH
- 2.If SHIP is written as HSRK, how is CAT written in the same code? (a) DBU (b) WYF (c) YAH (d) XZG
- 3.If BOOK is written as YLLP, how is COLD written in the same code? (a) DPME (b) YMPX (c) XLOW (d) WKNV
- 4.If STAR is written as TCVU, how is MILK written in the same code? (a) IJGK (b) KLIM (c) OKNM (d) MNKO
- 5.If NEST is written as LCQR, how is CAKE written in the same code? (a) ZXHB (b) BZJD (c) ECMG (d) AYIC
- 6.If KITE is written as DSHJ, how is GOLD written in the same code? (a) CKNF (b) DLOG (c) EMPH (d) FNKC
- 7.If STAR is written as HGZI, how is MOON written in the same code? (a) NLLM (b) NPPO (c) OMMN (d) MKKL
- 8.If DESK is written as WVHP, how is SUN written in the same code? (a) TVO (b) GEL (c) HFM (d) IGN
- 9.If BALL is written as LLAB, how is PARK written in the same code? (a) LSBQ (b) QBSL (c) JQZO (d) KRAP
- 10.If MOON is written as NLLM, how is TOYS written in the same code? (a) UPZT (b) HMCI (c) FKAG (d) GLBH
- 11.If DOG is written as FNC, how is TREE written in the same code? (a) DDQS (b) FFSU (c) SQDD (d) EERT
- 12.If CAT is written as SZB, how is KITE written in the same code? (a) FUJL (b) DSHJ (c) ETIK (d) JHSD
- 13.If STAR is written as QRYP, how is KITE written in the same code? (a) JHSD (b) HFQB (c) MKVG (d) IGRC
- 14.If GOLD is written as FNQI, how is LION written in the same code? (a) NOIL (b) NKQP (c) LMGJ (d) PQKN
- 15.If FROG is written as GORF, how is DOG written in the same code? (a) EPH (b) HPE (c) GOD (d) FNC
- 16.If RAIN is written as NIAR, how is STAR written in the same code? (a) QZSR (b) SBUT (c) RATS (d) TUBS
- 17.If BELL is written as YVOO, how is STAR written in the same code? (a) HGZI (b) IHAJ (c) TUBS (d) GFYH
- 18.If MILK is written as NROP, how is LION written in the same code? (a) NQKL (b) PSMN (c) MJPO (d) ORLM
- 19.If WIND is written as DRMW, how is PEN written in the same code? (a) LWN (b) JUL (c) QFO (d) KVM
- 20.If SUN is written as TVO, how is NEST written in the same code? (a) UTFO (b) MDRS (c) PGUV (d) OFTU
- 21.If HAND is written as DNAH, how is PEN written in the same code? (a) QFO (b) OFQ (c) NEP (d) MDO
- 22.If RAIN is written as IZRM, how is TOYS written in the same code? (a) HMCI (b) GLBH (c) UPZT (d) FKAG
- 23.If KITE is written as NLWH, how is STAR written in the same code? (a) PQXO (b) VWDU (c) WXEV (d) UVCT
- 24.If MOON is written as KMML, how is RAIN written in the same code? (a) TCKP (b) PYGL (c) OXFK (d) QZHM
- 25.If WIND is written as DRMW, how is NEST written in the same code? (a) NWIH (b) LUGF (c) OFTU (d) MVHG
- 26.If NEST is written as MVHG, how is DRUM written in the same code? (a) VHEM (b) WIFN (c) XJGO (d) ESVN
- 27.If KITE is written as MKVG, how is FROG written in the same code? (a) DPME (b) HTQI (c) GSPH (d) IURJ
- 28.If PEN is written as KVM, how is TREE written in the same code? (a) GIVV (b) USFF (c) FHUU (d) HJWW
- 29.If PARK is written as OZQJ, how is CAT written in the same code? (a) AYR (b) CAT (c) DBU (d) BZS
- 30.If PARK is written as KZIP, how is FROG written in the same code? (a) GSPH (b) VJMU (c) UILT (d) THKS
- 31.If BELL is written as CFMM, how is SUN written in the same code? (a) UWP (b) TVO (c) RTM (d) OVT
- 32.If FISH is written as JUKH, how is STAR written in the same code? (a) UVCT (b) TCVU (c) RATS (d) PYRQ
- 33.If DRUM is written as MURD, how is MOON written in the same code? (a) NOOM (b) NPPO (c) OPPN (d) MNNL
- 34.If DESK is written as FGUM, how is KITE written in the same code? (a) LJUF (b) NLWH (c) IGRC (d) MKVG
- 35.If CAKE is written as GMCE, how is PARK written in the same code? (a) MTCR (b) IPYN (c) RCTM (d) KRAP
- 36.If FROG is written as HPSG, how is CAT written in the same code? (a) TAC (b) DBU (c) SZB (d) UBD
- 37.If STAR is written as SBUT, how is COLD written in the same code? (a) CKNB (b) DPME (c) DLOC (d) EMPD
- 38.If GOLD is written as DLOG, how is PEN written in the same code? (a) QFO (b) MDO (c) OFQ (d) NEP
- 39.If GOLD is written as EMPH, how is NEST written in the same code? (a) SRDM (b) OFTU (c) TSEN (d) UTFO
- 40.If KITE is written as FUJL, how is PARK written in the same code? (a) QBSL (b) KRAP (c) JQZO (d) LSBQ
Answer key
- DLOG
- XZG
- XLOW
- MNKO
- AYIC
- CKNF
- NLLM
- HFM
- KRAP
- GLBH
- DDQS
- DSHJ
- IGRC
- PQKN
- GOD
- RATS
- HGZI
- ORLM
- KVM
- OFTU
- NEP
- GLBH
- VWDU
- PYGL
- MVHG
- WIFN
- HTQI
- GIVV
- BZS
- UILT
- TVO
- TCVU
- NOOM
- MKVG
- MTCR
- UBD
- EMPD
- NEP
- UTFO
- LSBQ
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