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 PARK is written as KZIP, how is RAIN written in the same code? (a) SBJO (b) HYQL (c) IZRM (d) JASN
- 2.If NEST is written as PGUV, how is RAIN written in the same code? (a) SBJO (b) TCKP (c) PYGL (d) UDLQ
- 3.If MOON is written as MNNL, how is BALL written in the same code? (a) AZKK (b) MMBC (c) KKZA (d) LLAB
- 4.If BOOK is written as ZMMI, how is LAMP written in the same code? (a) NCOR (b) KZLO (c) IXJM (d) JYKN
- 5.If HAND is written as GZMC, how is MILK written in the same code? (a) KGJI (b) NJML (c) LHKJ (d) MILK
- 6.If RAIN is written as MHZQ, how is PEN written in the same code? (a) ODM (b) MDO (c) NEP (d) OFQ
- 7.If TREE is written as GGTV, how is GOLD written in the same code? (a) DLOG (b) BJME (c) IQNF (d) FNQI
- 8.If STAR is written as HGZI, how is JUMP written in the same code? (a) KVNQ (b) PEMJ (c) RGOL (d) QFNK
- 9.If SHIP is written as HSRK, how is DOG written in the same code? (a) WLT (b) XMU (c) VKS (d) EPH
- 10.If BALL is written as YZOO, how is BOAT written in the same code? (a) ZMAH (b) XKYF (c) YLZG (d) CPBU
- 11.If MILK is written as KLIM, how is MOON written in the same code? (a) OPPN (b) NOOM (c) NPPO (d) MNNL
- 12.If DOG is written as HPE, how is PARK written in the same code? (a) JQZO (b) KRAP (c) LSBQ (d) QBSL
- 13.If TREE is written as GIVV, how is DESK written in the same code? (a) WVHP (b) XWIQ (c) VUGO (d) EFTL
- 14.If BOAT is written as CPBU, how is RAIN written in the same code? (a) SBJO (b) TCKP (c) OJBS (d) QZHM
- 15.If JUMP is written as QFNK, how is STAR written in the same code? (a) TUBS (b) HGZI (c) GFYH (d) IHAJ
- 16.If CAT is written as FDW, how is BOAT written in the same code? (a) ERDW (b) YLXQ (c) FSEX (d) DQCV
- 17.If MILK is written as KGJI, how is DRUM written in the same code? (a) AORJ (b) CQTL (c) FTWO (d) BPSK
- 18.If CAT is written as XZG, how is DESK written in the same code? (a) VUGO (b) WVHP (c) EFTL (d) XWIQ
- 19.If JUMP is written as QFNK, how is FISH written in the same code? (a) TQGR (b) GJTI (c) URHS (d) VSIT
- 20.If BELL is written as YVOO, how is KITE written in the same code? (a) PRGV (b) QSHW (c) OQFU (d) LJUF
- 21.If RAIN is written as OJBS, how is BELL written in the same code? (a) MMFC (b) LLEB (c) CFMM (d) KKDA
- 22.If BALL is written as LLAB, how is TREE written in the same code? (a) EERT (b) FFSU (c) USFF (d) DDQS
- 23.If JUMP is written as OLTI, how is GOLD written in the same code? (a) DLOG (b) FNKC (c) CKNF (d) EMPH
- 24.If PEN is written as NCL, how is DOG written in the same code? (a) ALD (b) CNF (c) BME (d) FQI
- 25.If BELL is written as YVOO, how is LAMP written in the same code? (a) OZNK (b) MBNQ (c) NYMJ (d) PAOL
- 26.If STAR is written as RATS, how is BELL written in the same code? (a) KKDA (b) MMFC (c) LLEB (d) CFMM
- 27.If MOON is written as NPPO, how is SUN written in the same code? (a) UWP (b) RTM (c) TVO (d) OVT
- 28.If SHIP is written as UJKR, how is MILK written in the same code? (a) NJML (b) PLON (c) KGJI (d) OKNM
- 29.If CAT is written as TAC, how is WIND written in the same code? (a) DNIW (b) CMHV (c) EOJX (d) XJOE
- 30.If DRUM is written as OWTF, how is FROG written in the same code? (a) HTQI (b) IQTH (c) EMPD (d) GORF
- 31.If FISH is written as JUKH, how is BOOK written in the same code? (a) DQQM (b) MQQD (c) KOOB (d) IMMZ
- 32.If BALL is written as NNCD, how is JUMP written in the same code? (a) ROWL (b) PMUJ (c) NKSH (d) LWOR
- 33.If JUMP is written as PMUJ, how is KITE written in the same code? (a) FUJL (b) LJUF (c) DSHJ (d) ETIK
- 34.If PEN is written as NEP, how is NEST written in the same code? (a) OFTU (b) UTFO (c) TSEN (d) SRDM
- 35.If DRUM is written as ESVN, how is NEST written in the same code? (a) MDRS (b) UTFO (c) PGUV (d) OFTU
- 36.If DESK is written as KSED, how is BOAT written in the same code? (a) SZNA (b) TAOB (c) CPBU (d) UBPC
- 37.If FISH is written as GJTI, how is COLD written in the same code? (a) DPME (b) EMPD (c) EQNF (d) BNKC
- 38.If DRUM is written as GUXP, how is MILK written in the same code? (a) OKNM (b) QMPO (c) JFIH (d) PLON
- 39.If MOON is written as KMML, how is BALL written in the same code? (a) YXII (b) ZYJJ (c) DCNN (d) AZKK
- 40.If COLD is written as DLOC, how is PARK written in the same code? (a) QBSL (b) LSBQ (c) KRAP (d) JQZO
Answer key
- IZRM
- TCKP
- KKZA
- JYKN
- LHKJ
- MDO
- FNQI
- QFNK
- WLT
- YLZG
- NOOM
- LSBQ
- WVHP
- SBJO
- HGZI
- ERDW
- BPSK
- WVHP
- URHS
- PRGV
- MMFC
- EERT
- CKNF
- BME
- OZNK
- LLEB
- TVO
- OKNM
- DNIW
- IQTH
- MQQD
- ROWL
- ETIK
- TSEN
- OFTU
- TAOB
- DPME
- PLON
- ZYJJ
- KRAP
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