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 SUN is written as NUS, how is DESK written in the same code? (a) LTFE (b) KSED (c) JRDC (d) EFTL
- 2.If PARK is written as LSBQ, how is BOOK written in the same code? (a) KOOB (b) CPPL (c) JNNA (d) LPPC
- 3.If KITE is written as PRGV, how is BOOK written in the same code? (a) CPPL (b) XKKO (c) YLLP (d) ZMMQ
- 4.If NEST is written as MVHG, how is SHIP written in the same code? (a) ITSL (b) HSRK (c) GRQJ (d) TIJQ
- 5.If DOG is written as BME, how is FROG written in the same code? (a) DPME (b) HTQI (c) EQNF (d) COLD
- 6.If LION is written as NOIL, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) CPPL (d) KOOB
- 7.If SUN is written as NUS, how is TREE written in the same code? (a) DDQS (b) USFF (c) EERT (d) FFSU
- 8.If JUMP is written as PMUJ, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) PIHS (d) OHGR
- 9.If SUN is written as HFM, how is FROG written in the same code? (a) GSPH (b) UILT (c) VJMU (d) THKS
- 10.If KITE is written as PRGV, how is PEN written in the same code? (a) LWN (b) JUL (c) QFO (d) KVM
- 11.If WIND is written as DNIW, how is DESK written in the same code? (a) EFTL (b) JRDC (c) KSED (d) LTFE
- 12.If BOOK is written as YLLP, how is RAIN written in the same code? (a) IZRM (b) HYQL (c) SBJO (d) JASN
- 13.If RAIN is written as MHZQ, how is TREE written in the same code? (a) EERT (b) FFSU (c) DDQS (d) SQDD
- 14.If FROG is written as HPSG, how is CAKE written in the same code? (a) EKAC (b) DJZB (c) DBLF (d) FLBD
- 15.If TOYS is written as GLBH, how is SHIP written in the same code? (a) ITSL (b) TIJQ (c) GRQJ (d) HSRK
- 16.If DOG is written as WLT, how is KITE written in the same code? (a) OQFU (b) LJUF (c) QSHW (d) PRGV
- 17.If CAT is written as TAC, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) LPPC (d) JNNA
- 18.If BELL is written as ZCJJ, how is PARK written in the same code? (a) NYPI (b) RCTM (c) MXOH (d) OZQJ
- 19.If LION is written as ORLM, how is MOON written in the same code? (a) NPPO (b) OMMN (c) MKKL (d) NLLM
- 20.If GOLD is written as DLOG, how is LAMP written in the same code? (a) QNBM (b) MBNQ (c) PMAL (d) OLZK
- 21.If PEN is written as QFO, how is FROG written in the same code? (a) HTQI (b) HPSG (c) GSPH (d) EQNF
- 22.If DRUM is written as CQTL, how is DOG written in the same code? (a) BME (b) EPH (c) CNF (d) DOG
- 23.If PEN is written as KVM, how is FISH written in the same code? (a) VSIT (b) URHS (c) TQGR (d) GJTI
- 24.If NEST is written as MVHG, how is TREE written in the same code? (a) USFF (b) FHUU (c) HJWW (d) GIVV
- 25.If HAND is written as EOBI, how is BALL written in the same code? (a) CBMM (b) KKZA (c) MMBC (d) LLAB
- 26.If FROG is written as IURJ, how is LION written in the same code? (a) NKQP (b) OLRQ (c) IFLK (d) PMSR
- 27.If DESK is written as WVHP, how is LAMP written in the same code? (a) NYMJ (b) OZNK (c) MBNQ (d) PAOL
- 28.If TREE is written as SQDD, how is WIND written in the same code? (a) XJOE (b) VHMC (c) UGLB (d) WIND
- 29.If HAND is written as SZMW, how is PARK written in the same code? (a) KZIP (b) JYHO (c) LAJQ (d) QBSL
- 30.If TOYS is written as GLBH, how is MOON written in the same code? (a) MKKL (b) NPPO (c) NLLM (d) OMMN
- 31.If BALL is written as NNCD, how is SHIP written in the same code? (a) PIHS (b) NGFQ (c) RKJU (d) UJKR
- 32.If SUN is written as HFM, how is BELL written in the same code? (a) YVOO (b) XUNN (c) CFMM (d) ZWPP
- 33.If STAR is written as HGZI, how is PARK written in the same code? (a) KZIP (b) QBSL (c) JYHO (d) LAJQ
- 34.If GOLD is written as DLOG, how is RAIN written in the same code? (a) OJBS (b) NIAR (c) MHZQ (d) SBJO
- 35.If MILK is written as OKNM, how is STAR written in the same code? (a) VWDU (b) QRYP (c) TUBS (d) UVCT
- 36.If MOON is written as KMML, how is KITE written in the same code? (a) JHSD (b) MKVG (c) HFQB (d) IGRC
- 37.If WIND is written as UGLB, how is CAT written in the same code? (a) ZXQ (b) BZS (c) ECV (d) AYR
- 38.If TOYS is written as TZPU, how is NEST written in the same code? (a) TSEN (b) OFTU (c) UTFO (d) SRDM
- 39.If HAND is written as GZMC, how is DRUM written in the same code? (a) ESVN (b) BPSK (c) DRUM (d) CQTL
- 40.If FISH is written as JUKH, how is COLD written in the same code? (a) EQNF (b) BJMA (c) DLOC (d) FNQE
Answer key
- KSED
- LPPC
- YLLP
- HSRK
- DPME
- KOOB
- EERT
- PIHS
- UILT
- KVM
- KSED
- IZRM
- DDQS
- FLBD
- HSRK
- PRGV
- KOOB
- NYPI
- NLLM
- PMAL
- GSPH
- CNF
- URHS
- GIVV
- MMBC
- OLRQ
- OZNK
- VHMC
- KZIP
- NLLM
- RKJU
- YVOO
- KZIP
- NIAR
- UVCT
- IGRC
- AYR
- UTFO
- CQTL
- FNQE
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