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 BELL is written as LLEB, how is SHIP written in the same code? (a) PIHS (b) OHGR (c) QJIT (d) TIJQ
- 2.If DOG is written as HPE, how is RAIN written in the same code? (a) SBJO (b) MHZQ (c) NIAR (d) OJBS
- 3.If CAT is written as XZG, how is LION written in the same code? (a) MJPO (b) PSMN (c) ORLM (d) NQKL
- 4.If PARK is written as OZQJ, how is KITE written in the same code? (a) IGRC (b) KITE (c) JHSD (d) LJUF
- 5.If TOYS is written as GLBH, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) HSRK (d) TIJQ
- 6.If COLD is written as DLOC, how is SUN written in the same code? (a) MTR (b) OVT (c) TVO (d) NUS
- 7.If GOLD is written as TLOW, how is STAR written in the same code? (a) TUBS (b) GFYH (c) HGZI (d) IHAJ
- 8.If SHIP is written as PIHS, how is WIND written in the same code? (a) DNIW (b) EOJX (c) CMHV (d) XJOE
- 9.If GOLD is written as TLOW, how is CAT written in the same code? (a) DBU (b) XZG (c) YAH (d) WYF
- 10.If SHIP is written as PIHS, how is MILK written in the same code? (a) NJML (b) JKHL (c) LMJN (d) KLIM
- 11.If BELL is written as LLEB, how is DESK written in the same code? (a) LTFE (b) EFTL (c) KSED (d) JRDC
- 12.If CAT is written as DBU, how is COLD written in the same code? (a) EQNF (b) BNKC (c) EMPD (d) DPME
- 13.If MOON is written as OPPN, how is JUMP written in the same code? (a) QNVK (b) KVNQ (c) OLTI (d) PMUJ
- 14.If CAKE is written as GMCE, how is COLD written in the same code? (a) DLOC (b) EQNF (c) FNQE (d) BJMA
- 15.If TOYS is written as GLBH, how is CAT written in the same code? (a) XZG (b) WYF (c) DBU (d) YAH
- 16.If MOON is written as NOOM, how is FISH written in the same code? (a) ITJG (b) GRHE (c) GJTI (d) HSIF
- 17.If FISH is written as JUKH, how is COLD written in the same code? (a) DLOC (b) BJMA (c) EQNF (d) FNQE
- 18.If NEST is written as TSEN, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) OJBS (d) SBJO
- 19.If PEN is written as KVM, how is WIND written in the same code? (a) CQLV (b) XJOE (c) DRMW (d) ESNX
- 20.If TOYS is written as UAQV, how is BOOK written in the same code? (a) DQQM (b) IMMZ (c) KOOB (d) MQQD
- 21.If BALL is written as KKZA, how is HAND written in the same code? (a) GZMC (b) DNAH (c) CMZG (d) EOBI
- 22.If GOLD is written as FNQI, how is STAR written in the same code? (a) TCVU (b) PYRQ (c) RATS (d) UVCT
- 23.If FROG is written as EQNF, how is GOLD written in the same code? (a) GOLD (b) FNKC (c) HPME (d) EMJB
- 24.If BALL is written as ZYJJ, how is WIND written in the same code? (a) TFKA (b) UGLB (c) VHMC (d) YKPF
- 25.If DESK is written as CDRJ, how is RAIN written in the same code? (a) SBJO (b) QZHM (c) RAIN (d) PYGL
- 26.If MOON is written as NOOM, how is BOAT written in the same code? (a) SZNA (b) TAOB (c) CPBU (d) UBPC
- 27.If CAT is written as XZG, how is FISH written in the same code? (a) VSIT (b) URHS (c) TQGR (d) GJTI
- 28.If BELL is written as LLEB, how is CAKE written in the same code? (a) FLBD (b) EKAC (c) DBLF (d) DJZB
- 29.If SHIP is written as PIHS, how is STAR written in the same code? (a) QZSR (b) SBUT (c) RATS (d) TUBS
- 30.If DRUM is written as BPSK, how is CAKE written in the same code? (a) BZJD (b) ECMG (c) ZXHB (d) AYIC
- 31.If PARK is written as NYPI, how is SHIP written in the same code? (a) PEFM (b) QFGN (c) UJKR (d) RGHO
- 32.If GOLD is written as FNKC, how is CAKE written in the same code? (a) BZJD (b) CAKE (c) AYIC (d) DBLF
- 33.If FISH is written as GRHE, how is DRUM written in the same code? (a) CQTL (b) LTQC (c) MURD (d) NVSE
- 34.If TOYS is written as UAQV, how is SHIP written in the same code? (a) NGFQ (b) RKJU (c) PIHS (d) UJKR
- 35.If BELL is written as EHOO, how is DRUM written in the same code? (a) AORJ (b) HVYQ (c) FTWO (d) GUXP
- 36.If TOYS is written as UAQV, how is BALL written in the same code? (a) DCNN (b) LLAB (c) JJYZ (d) NNCD
- 37.If JUMP is written as ITLO, how is LAMP written in the same code? (a) LAMP (b) KZLO (c) JYKN (d) MBNQ
- 38.If TREE is written as GIVV, how is HAND written in the same code? (a) RYLV (b) IBOE (c) TANX (d) SZMW
- 39.If CAT is written as UBD, how is CAKE written in the same code? (a) DJZB (b) EKAC (c) DBLF (d) FLBD
- 40.If GOLD is written as DLOG, how is HAND written in the same code? (a) EOBI (b) CMZG (c) DNAH (d) IBOE
Answer key
- PIHS
- OJBS
- ORLM
- JHSD
- HSRK
- NUS
- HGZI
- DNIW
- XZG
- KLIM
- KSED
- DPME
- QNVK
- FNQE
- XZG
- HSIF
- FNQE
- NIAR
- DRMW
- MQQD
- CMZG
- TCVU
- FNKC
- UGLB
- QZHM
- TAOB
- URHS
- EKAC
- RATS
- AYIC
- QFGN
- BZJD
- LTQC
- RKJU
- GUXP
- NNCD
- KZLO
- SZMW
- FLBD
- DNAH
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