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 LSBQ, how is PEN written in the same code? (a) MDO (b) OFQ (c) QFO (d) NEP
- 2.If LION is written as MNHK, how is PEN written in the same code? (a) MDO (b) OFQ (c) NEP (d) ODM
- 3.If COLD is written as XLOW, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) TIJQ (d) HSRK
- 4.If SHIP is written as QJIT, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) KOOB (d) LPPC
- 5.If WIND is written as XJOE, how is COLD written in the same code? (a) EQNF (b) BNKC (c) DPME (d) EMPD
- 6.If DOG is written as FNC, how is WIND written in the same code? (a) DNIW (b) EOJX (c) VHMC (d) CMHV
- 7.If MOON is written as NOOM, how is WIND written in the same code? (a) EOJX (b) XJOE (c) CMHV (d) DNIW
- 8.If MOON is written as KMML, how is TREE written in the same code? (a) VTGG (b) QOBB (c) SQDD (d) RPCC
- 9.If KITE is written as PRGV, how is FROG written in the same code? (a) VJMU (b) THKS (c) UILT (d) GSPH
- 10.If KITE is written as GVKM, how is PEN written in the same code? (a) LCN (b) RGP (c) PGR (d) NEP
- 11.If CAT is written as VCE, how is DOG written in the same code? (a) EMB (b) FQI (c) GOD (d) IQF
- 12.If BOAT is written as SZNA, how is SUN written in the same code? (a) NUS (b) RTM (c) OVT (d) MTR
- 13.If PEN is written as SHQ, how is BALL written in the same code? (a) FEPP (b) YXII (c) EDOO (d) DCNN
- 14.If NEST is written as MVHG, how is DOG written in the same code? (a) VKS (b) EPH (c) XMU (d) WLT
- 15.If SUN is written as HFM, how is FROG written in the same code? (a) VJMU (b) GSPH (c) THKS (d) UILT
- 16.If KITE is written as FUJL, how is GOLD written in the same code? (a) DLOG (b) HPME (c) EMPH (d) CKNF
- 17.If GOLD is written as EMPH, how is BOOK written in the same code? (a) JNNA (b) KOOB (c) CPPL (d) LPPC
- 18.If BALL is written as LLAB, how is MILK written in the same code? (a) JKHL (b) KLIM (c) NJML (d) LMJN
- 19.If LAMP is written as QNBM, how is GOLD written in the same code? (a) DLOG (b) CKNF (c) HPME (d) EMPH
- 20.If KITE is written as NLWH, how is MOON written in the same code? (a) JLLK (b) OQQP (c) PRRQ (d) QSSR
- 21.If TOYS is written as TZPU, how is LION written in the same code? (a) NOIL (b) MNHK (c) OPJM (d) MJPO
- 22.If HAND is written as SZMW, how is KITE written in the same code? (a) LJUF (b) QSHW (c) PRGV (d) OQFU
- 23.If STAR is written as RSZQ, how is PARK written in the same code? (a) NYPI (b) QBSL (c) PARK (d) OZQJ
- 24.If BELL is written as YVOO, how is STAR written in the same code? (a) TUBS (b) GFYH (c) IHAJ (d) HGZI
- 25.If CAT is written as XZG, how is TOYS written in the same code? (a) FKAG (b) GLBH (c) UPZT (d) HMCI
- 26.If MILK is written as OKNM, how is WIND written in the same code? (a) ZLQG (b) YKPF (c) UGLB (d) XJOE
- 27.If HAND is written as SZMW, how is SUN written in the same code? (a) HFM (b) IGN (c) TVO (d) GEL
- 28.If BOOK is written as CPPL, how is DOG written in the same code? (a) EPH (b) HPE (c) CNF (d) FQI
- 29.If KITE is written as PRGV, how is PARK written in the same code? (a) KZIP (b) QBSL (c) JYHO (d) LAJQ
- 30.If GOLD is written as DLOG, how is BOAT written in the same code? (a) CPBU (b) SZNA (c) UBPC (d) TAOB
- 31.If LION is written as NOIL, how is PEN written in the same code? (a) OFQ (b) QFO (c) MDO (d) NEP
- 32.If LION is written as PQKN, how is BALL written in the same code? (a) JJYZ (b) NNCD (c) DCNN (d) LLAB
- 33.If HAND is written as CMZG, how is DRUM written in the same code? (a) NVSE (b) MURD (c) CQTL (d) LTQC
- 34.If MOON is written as PQQO, how is STAR written in the same code? (a) TCVU (b) UVCT (c) RATS (d) PYRQ
- 35.If MILK is written as NROP, how is PARK written in the same code? (a) LAJQ (b) KZIP (c) JYHO (d) QBSL
- 36.If PEN is written as NCL, how is CAKE written in the same code? (a) ZXHB (b) BZJD (c) ECMG (d) AYIC
- 37.If CAKE is written as DJZB, how is DESK written in the same code? (a) LTFE (b) KSED (c) JRDC (d) CDRJ
- 38.If CAKE is written as EKAC, how is BALL written in the same code? (a) LLAB (b) CBMM (c) KKZA (d) MMBC
- 39.If STAR is written as QRYP, how is CAKE written in the same code? (a) AYIC (b) BZJD (c) ECMG (d) ZXHB
- 40.If COLD is written as EMPD, how is SUN written in the same code? (a) MTR (b) NUS (c) TVO (d) OVT
Answer key
- OFQ
- MDO
- HSRK
- LPPC
- DPME
- CMHV
- DNIW
- RPCC
- UILT
- PGR
- IQF
- MTR
- EDOO
- WLT
- UILT
- EMPH
- LPPC
- KLIM
- EMPH
- PRRQ
- OPJM
- PRGV
- OZQJ
- HGZI
- GLBH
- YKPF
- HFM
- EPH
- KZIP
- TAOB
- NEP
- NNCD
- LTQC
- TCVU
- KZIP
- AYIC
- JRDC
- LLAB
- AYIC
- OVT
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