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 JUMP is written as PMUJ, how is RAIN written in the same code? (a) SBJO (b) OJBS (c) MHZQ (d) NIAR
- 2.If LAMP is written as ODPS, how is CAT written in the same code? (a) ZXQ (b) GEX (c) ECV (d) FDW
- 3.If FISH is written as HKUJ, how is LAMP written in the same code? (a) JYKN (b) MBNQ (c) NCOR (d) ODPS
- 4.If SUN is written as NUS, how is PEN written in the same code? (a) QFO (b) OFQ (c) NEP (d) MDO
- 5.If MILK is written as NJML, how is DESK written in the same code? (a) LTFE (b) CDRJ (c) EFTL (d) FGUM
- 6.If CAT is written as ECV, how is BOAT written in the same code? (a) DQCV (b) ZMYR (c) ERDW (d) CPBU
- 7.If PEN is written as KVM, how is CAKE written in the same code? (a) DBLF (b) YAQW (c) WYOU (d) XZPV
- 8.If SUN is written as NUS, how is PARK written in the same code? (a) LSBQ (b) QBSL (c) JQZO (d) KRAP
- 9.If SUN is written as OVT, how is STAR written in the same code? (a) SBUT (b) QZSR (c) TUBS (d) RATS
- 10.If MILK is written as NJML, how is DOG written in the same code? (a) HPE (b) EPH (c) FQI (d) CNF
- 11.If KITE is written as IGRC, how is TREE written in the same code? (a) VTGG (b) QOBB (c) SQDD (d) RPCC
- 12.If DRUM is written as WIFN, how is PARK written in the same code? (a) KZIP (b) LAJQ (c) JYHO (d) QBSL
- 13.If BOOK is written as JNNA, how is SUN written in the same code? (a) NUS (b) MTR (c) OVT (d) RTM
- 14.If NEST is written as QHVW, how is BELL written in the same code? (a) EHOO (b) YBII (c) DGNN (d) FIPP
- 15.If CAT is written as TAC, how is STAR written in the same code? (a) TUBS (b) SBUT (c) RATS (d) QZSR
- 16.If WIND is written as EOJX, how is PEN written in the same code? (a) NEP (b) MDO (c) OFQ (d) QFO
- 17.If SUN is written as TVO, how is LAMP written in the same code? (a) NCOR (b) QNBM (c) KZLO (d) MBNQ
- 18.If TOYS is written as GLBH, how is BOOK written in the same code? (a) YLLP (b) ZMMQ (c) XKKO (d) CPPL
- 19.If DESK is written as WVHP, how is TREE written in the same code? (a) HJWW (b) USFF (c) FHUU (d) GIVV
- 20.If SUN is written as UWP, how is SHIP written in the same code? (a) TIJQ (b) QFGN (c) UJKR (d) VKLS
- 21.If MILK is written as KLIM, how is LAMP written in the same code? (a) MBNQ (b) PMAL (c) OLZK (d) QNBM
- 22.If BOAT is written as DQCV, how is KITE written in the same code? (a) MKVG (b) LJUF (c) IGRC (d) NLWH
- 23.If CAKE is written as XZPV, how is DESK written in the same code? (a) WVHP (b) VUGO (c) XWIQ (d) EFTL
- 24.If HAND is written as IBOE, how is DOG written in the same code? (a) EPH (b) HPE (c) FQI (d) CNF
- 25.If FISH is written as HKUJ, how is TREE written in the same code? (a) RPCC (b) USFF (c) WUHH (d) VTGG
- 26.If FISH is written as HSIF, how is BALL written in the same code? (a) MMBC (b) KKZA (c) CBMM (d) LLAB
- 27.If LION is written as ORLM, how is LAMP written in the same code? (a) OZNK (b) NYMJ (c) PAOL (d) MBNQ
- 28.If DRUM is written as FTWO, how is CAT written in the same code? (a) DBU (b) FDW (c) AYR (d) ECV
- 29.If SUN is written as PWU, how is RAIN written in the same code? (a) TCKP (b) PKCT (c) NIAR (d) LGYP
- 30.If MOON is written as NLLM, how is SUN written in the same code? (a) GEL (b) TVO (c) HFM (d) IGN
- 31.If WIND is written as EOJX, how is MOON written in the same code? (a) NPPO (b) MNNL (c) OPPN (d) NOOM
- 32.If PARK is written as KRAP, how is PEN written in the same code? (a) OFQ (b) NEP (c) MDO (d) QFO
- 33.If LAMP is written as PMAL, how is COLD written in the same code? (a) EMPD (b) DPME (c) CKNB (d) DLOC
- 34.If MOON is written as LNNM, how is CAT written in the same code? (a) CAT (b) BZS (c) DBU (d) AYR
- 35.If FISH is written as HSIF, how is MILK written in the same code? (a) LMJN (b) NJML (c) KLIM (d) JKHL
- 36.If SHIP is written as VKLS, how is WIND written in the same code? (a) YKPF (b) AMRH (c) ZLQG (d) TFKA
- 37.If TOYS is written as GLBH, how is JUMP written in the same code? (a) RGOL (b) QFNK (c) KVNQ (d) PEMJ
- 38.If LION is written as NOIL, how is SHIP written in the same code? (a) PIHS (b) TIJQ (c) QJIT (d) OHGR
- 39.If PARK is written as QBSL, how is KITE written in the same code? (a) MKVG (b) LJUF (c) FUJL (d) JHSD
- 40.If NEST is written as MVHG, how is SUN written in the same code? (a) TVO (b) GEL (c) IGN (d) HFM
Answer key
- NIAR
- FDW
- NCOR
- NEP
- EFTL
- DQCV
- XZPV
- KRAP
- SBUT
- EPH
- RPCC
- KZIP
- MTR
- EHOO
- RATS
- OFQ
- MBNQ
- YLLP
- GIVV
- UJKR
- PMAL
- MKVG
- WVHP
- EPH
- VTGG
- LLAB
- OZNK
- ECV
- PKCT
- HFM
- OPPN
- NEP
- DLOC
- BZS
- KLIM
- ZLQG
- QFNK
- PIHS
- LJUF
- HFM
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