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 WIND is written as FPKY, how is PARK written in the same code? (a) MTCR (b) KRAP (c) IPYN (d) RCTM
- 2.If MOON is written as NPPO, how is LAMP written in the same code? (a) KZLO (b) NCOR (c) MBNQ (d) QNBM
- 3.If BELL is written as LLEB, how is TREE written in the same code? (a) USFF (b) DDQS (c) FFSU (d) EERT
- 4.If BOOK is written as YLLP, how is BELL written in the same code? (a) ZWPP (b) YVOO (c) CFMM (d) XUNN
- 5.If LAMP is written as PMAL, how is DOG written in the same code? (a) EPH (b) HPE (c) FNC (d) GOD
- 6.If DOG is written as HPE, how is COLD written in the same code? (a) EMPD (b) DPME (c) DLOC (d) CKNB
- 7.If SHIP is written as RKJU, how is TREE written in the same code? (a) EERT (b) GGTV (c) CCPR (d) VTGG
- 8.If SUN is written as QSL, how is GOLD written in the same code? (a) FNKC (b) IQNF (c) DLIA (d) EMJB
- 9.If SUN is written as OVT, how is MILK written in the same code? (a) JKHL (b) NJML (c) LMJN (d) KLIM
- 10.If BELL is written as LLEB, how is PEN written in the same code? (a) MDO (b) OFQ (c) QFO (d) NEP
- 11.If BELL is written as NNGD, how is PARK written in the same code? (a) RCTM (b) MTCR (c) KRAP (d) IPYN
- 12.If BELL is written as EHOO, how is FISH written in the same code? (a) JMWL (b) CFPE (c) ILVK (d) HKUJ
- 13.If CAKE is written as EKAC, how is LION written in the same code? (a) NOIL (b) MJPO (c) OPJM (d) MNHK
- 14.If SUN is written as NUS, how is PEN written in the same code? (a) MDO (b) QFO (c) OFQ (d) NEP
- 15.If SUN is written as HFM, how is GOLD written in the same code? (a) TLOW (b) HPME (c) UMPX (d) SKNV
- 16.If MILK is written as KLIM, how is DESK written in the same code? (a) KSED (b) LTFE (c) JRDC (d) EFTL
- 17.If TOYS is written as GLBH, how is LAMP written in the same code? (a) PAOL (b) OZNK (c) MBNQ (d) NYMJ
- 18.If KITE is written as NLWH, how is DOG written in the same code? (a) ALD (b) FQI (c) GRJ (d) HSK
- 19.If TOYS is written as GLBH, how is FROG written in the same code? (a) UILT (b) GSPH (c) VJMU (d) THKS
- 20.If RAIN is written as OJBS, how is MOON written in the same code? (a) MNNL (b) OPPN (c) NOOM (d) NPPO
- 21.If DESK is written as LTFE, how is TREE written in the same code? (a) FFSU (b) EERT (c) USFF (d) DDQS
- 22.If LION is written as OLRQ, how is FROG written in the same code? (a) COLD (b) JVSK (c) IURJ (d) HTQI
- 23.If PARK is written as KRAP, how is WIND written in the same code? (a) CMHV (b) DNIW (c) EOJX (d) XJOE
- 24.If FISH is written as ITJG, how is TOYS written in the same code? (a) RXNS (b) SYOT (c) TZPU (d) UPZT
- 25.If SHIP is written as QFGN, how is MOON written in the same code? (a) JLLK (b) KMML (c) OQQP (d) LNNM
- 26.If FISH is written as HSIF, how is SHIP written in the same code? (a) QJIT (b) PIHS (c) OHGR (d) TIJQ
- 27.If MOON is written as PQQO, how is GOLD written in the same code? (a) BJME (b) DLOG (c) IQNF (d) FNQI
- 28.If LAMP is written as PMAL, how is MILK written in the same code? (a) LMJN (b) JKHL (c) NJML (d) KLIM
- 29.If SHIP is written as OHGR, how is LION written in the same code? (a) KHNM (b) MNHK (c) NOIL (d) OPJM
- 30.If DRUM is written as ESVN, how is BOOK written in the same code? (a) LPPC (b) ANNJ (c) DQQM (d) CPPL
- 31.If SUN is written as HFM, how is FROG written in the same code? (a) GSPH (b) UILT (c) THKS (d) VJMU
- 32.If PEN is written as KVM, how is CAKE written in the same code? (a) YAQW (b) WYOU (c) DBLF (d) XZPV
- 33.If PEN is written as NEP, how is FISH written in the same code? (a) GJTI (b) ITJG (c) GRHE (d) HSIF
- 34.If MOON is written as NOOM, how is DRUM written in the same code? (a) NVSE (b) LTQC (c) ESVN (d) MURD
- 35.If FROG is written as HPSG, how is TOYS written in the same code? (a) RXNS (b) UPZT (c) SYOT (d) TZPU
- 36.If BOOK is written as KOOB, how is DESK written in the same code? (a) EFTL (b) JRDC (c) LTFE (d) KSED
- 37.If STAR is written as RATS, how is CAKE written in the same code? (a) FLBD (b) EKAC (c) DJZB (d) DBLF
- 38.If SUN is written as PWU, how is BALL written in the same code? (a) LLAB (b) NNCD (c) DCNN (d) JJYZ
- 39.If RAIN is written as QZHM, how is PARK written in the same code? (a) PARK (b) OZQJ (c) NYPI (d) QBSL
- 40.If FISH is written as URHS, how is GOLD written in the same code? (a) TLOW (b) UMPX (c) HPME (d) SKNV
Answer key
- MTCR
- MBNQ
- EERT
- YVOO
- GOD
- EMPD
- GGTV
- EMJB
- LMJN
- NEP
- MTCR
- ILVK
- NOIL
- NEP
- TLOW
- KSED
- OZNK
- GRJ
- UILT
- OPPN
- FFSU
- IURJ
- DNIW
- TZPU
- KMML
- PIHS
- FNQI
- KLIM
- MNHK
- CPPL
- UILT
- XZPV
- HSIF
- MURD
- TZPU
- KSED
- EKAC
- NNCD
- OZQJ
- TLOW
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