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 MOON is written as NOOM, how is FISH written in the same code? (a) ITJG (b) GRHE (c) HSIF (d) GJTI
- 2.If STAR is written as QRYP, how is WIND written in the same code? (a) TFKA (b) UGLB (c) VHMC (d) YKPF
- 3.If NEST is written as PGUV, how is BELL written in the same code? (a) EHOO (b) ZCJJ (c) CFMM (d) DGNN
- 4.If BALL is written as ZYJJ, how is BOAT written in the same code? (a) ANZS (b) DQCV (c) YLXQ (d) ZMYR
- 5.If BELL is written as MMFC, how is PARK written in the same code? (a) KRAP (b) JQZO (c) LSBQ (d) QBSL
- 6.If MILK is written as LHKJ, how is PEN written in the same code? (a) NCL (b) QFO (c) PEN (d) ODM
- 7.If DESK is written as WVHP, how is KITE written in the same code? (a) PRGV (b) LJUF (c) QSHW (d) OQFU
- 8.If TOYS is written as GLBH, how is LION written in the same code? (a) PSMN (b) NQKL (c) MJPO (d) ORLM
- 9.If FROG is written as EQNF, how is COLD written in the same code? (a) AMJB (b) DPME (c) BNKC (d) COLD
- 10.If NEST is written as LCQR, how is MILK written in the same code? (a) KGJI (b) LHKJ (c) JFIH (d) OKNM
- 11.If PEN is written as KVM, how is STAR written in the same code? (a) TUBS (b) IHAJ (c) HGZI (d) GFYH
- 12.If STAR is written as TCVU, how is NEST written in the same code? (a) TSEN (b) PGUV (c) RQCL (d) VUGP
- 13.If JUMP is written as QFNK, how is CAKE written in the same code? (a) WYOU (b) YAQW (c) DBLF (d) XZPV
- 14.If HAND is written as DNAH, how is WIND written in the same code? (a) XJOE (b) EOJX (c) DNIW (d) CMHV
- 15.If BALL is written as LLAB, how is DESK written in the same code? (a) KSED (b) LTFE (c) JRDC (d) EFTL
- 16.If DESK is written as GHVN, how is FISH written in the same code? (a) ILVK (b) HKUJ (c) CFPE (d) JMWL
- 17.If MOON is written as NOOM, how is COLD written in the same code? (a) DPME (b) CKNB (c) DLOC (d) EMPD
- 18.If SUN is written as NUS, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) NIAR (d) MHZQ
- 19.If KITE is written as FUJL, how is BOAT written in the same code? (a) CPBU (b) UBPC (c) SZNA (d) TAOB
- 20.If HAND is written as IBOE, how is NEST written in the same code? (a) UTFO (b) OFTU (c) PGUV (d) MDRS
- 21.If PEN is written as NEP, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) SBJO (d) OJBS
- 22.If JUMP is written as ROWL, how is FROG written in the same code? (a) EMPD (b) GORF (c) HTQI (d) IQTH
- 23.If WIND is written as DRMW, how is DESK written in the same code? (a) WVHP (b) XWIQ (c) EFTL (d) VUGO
- 24.If WIND is written as YKPF, how is BELL written in the same code? (a) ZCJJ (b) CFMM (c) DGNN (d) EHOO
- 25.If BALL is written as LLAB, how is FROG written in the same code? (a) HPSG (b) FNQE (c) GSPH (d) GORF
- 26.If BOAT is written as UBPC, how is BELL written in the same code? (a) LLEB (b) MMFC (c) CFMM (d) KKDA
- 27.If LAMP is written as OZNK, how is TREE written in the same code? (a) FHUU (b) GIVV (c) USFF (d) HJWW
- 28.If STAR is written as QRYP, how is BOOK written in the same code? (a) YLLH (b) ANNJ (c) DQQM (d) ZMMI
- 29.If LAMP is written as OZNK, how is DRUM written in the same code? (a) VHEM (b) XJGO (c) WIFN (d) ESVN
- 30.If LION is written as NOIL, how is DRUM written in the same code? (a) ESVN (b) LTQC (c) MURD (d) NVSE
- 31.If NEST is written as SRDM, how is MILK written in the same code? (a) LHKJ (b) KLIM (c) JKHL (d) LMJN
- 32.If NEST is written as OFTU, how is GOLD written in the same code? (a) IQNF (b) HPME (c) EMPH (d) FNKC
- 33.If BALL is written as LLAB, how is TREE written in the same code? (a) DDQS (b) USFF (c) EERT (d) FFSU
- 34.If NEST is written as MVHG, how is BALL written in the same code? (a) CBMM (b) ZAPP (c) YZOO (d) XYNN
- 35.If DOG is written as GOD, how is HAND written in the same code? (a) EOBI (b) CMZG (c) IBOE (d) DNAH
- 36.If MILK is written as KGJI, how is LAMP written in the same code? (a) KZLO (b) NCOR (c) JYKN (d) IXJM
- 37.If HAND is written as FYLB, how is TOYS written in the same code? (a) SNXR (b) VQAU (c) RMWQ (d) QLVP
- 38.If SHIP is written as HSRK, how is JUMP written in the same code? (a) RGOL (b) QFNK (c) PEMJ (d) KVNQ
- 39.If BOOK is written as YLLP, how is DRUM written in the same code? (a) WIFN (b) ESVN (c) VHEM (d) XJGO
- 40.If KITE is written as DSHJ, how is RAIN written in the same code? (a) QZHM (b) OJBS (c) MHZQ (d) NIAR
Answer key
- HSIF
- UGLB
- DGNN
- ZMYR
- LSBQ
- ODM
- PRGV
- ORLM
- BNKC
- KGJI
- HGZI
- VUGP
- XZPV
- DNIW
- KSED
- ILVK
- DLOC
- NIAR
- UBPC
- OFTU
- NIAR
- IQTH
- WVHP
- DGNN
- GORF
- MMFC
- GIVV
- ZMMI
- WIFN
- MURD
- JKHL
- HPME
- EERT
- YZOO
- DNAH
- JYKN
- RMWQ
- QFNK
- WIFN
- MHZQ
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