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 GOLD is written as TLOW, how is MILK written in the same code? (a) NJML (b) NROP (c) OSPQ (d) MQNO
- 2.If JUMP is written as PMUJ, how is GOLD written in the same code? (a) EMPH (b) HPME (c) CKNF (d) DLOG
- 3.If FROG is written as GORF, how is FISH written in the same code? (a) GJTI (b) HSIF (c) GRHE (d) ITJG
- 4.If GOLD is written as DLOG, how is MILK written in the same code? (a) NJML (b) LMJN (c) JKHL (d) KLIM
- 5.If WIND is written as DNIW, how is COLD written in the same code? (a) CKNB (b) DPME (c) EMPD (d) DLOC
- 6.If JUMP is written as PMUJ, how is LAMP written in the same code? (a) OLZK (b) PMAL (c) MBNQ (d) QNBM
- 7.If HAND is written as DNAH, how is FISH written in the same code? (a) GJTI (b) ITJG (c) HSIF (d) GRHE
- 8.If PEN is written as QFO, how is BOOK written in the same code? (a) CPPL (b) DQQM (c) LPPC (d) ANNJ
- 9.If RAIN is written as IZRM, how is MILK written in the same code? (a) OSPQ (b) NROP (c) NJML (d) MQNO
- 10.If KITE is written as PRGV, how is NEST written in the same code? (a) LUGF (b) NWIH (c) OFTU (d) MVHG
- 11.If LION is written as MJPO, how is DOG written in the same code? (a) EPH (b) HPE (c) FQI (d) CNF
- 12.If JUMP is written as ITLO, how is HAND written in the same code? (a) IBOE (b) FYLB (c) GZMC (d) HAND
- 13.If MOON is written as KMML, how is CAKE written in the same code? (a) BZJD (b) ZXHB (c) ECMG (d) AYIC
- 14.If HAND is written as SZMW, how is SUN written in the same code? (a) TVO (b) IGN (c) HFM (d) GEL
- 15.If DESK is written as CDRJ, how is PEN written in the same code? (a) ODM (b) PEN (c) QFO (d) NCL
- 16.If CAKE is written as XZPV, how is BOOK written in the same code? (a) YLLP (b) CPPL (c) XKKO (d) ZMMQ
- 17.If FISH is written as ILVK, how is COLD written in the same code? (a) GSPH (b) EQNF (c) ZLIA (d) FROG
- 18.If MOON is written as OPPN, how is SUN written in the same code? (a) NUS (b) TVO (c) MTR (d) OVT
- 19.If STAR is written as RATS, how is LION written in the same code? (a) OPJM (b) MNHK (c) NOIL (d) MJPO
- 20.If RAIN is written as NIAR, how is HAND written in the same code? (a) CMZG (b) IBOE (c) DNAH (d) EOBI
- 21.If FISH is written as URHS, how is TOYS written in the same code? (a) GLBH (b) HMCI (c) FKAG (d) UPZT
- 22.If DESK is written as JRDC, how is PARK written in the same code? (a) KRAP (b) JQZO (c) OZQJ (d) LSBQ
- 23.If KITE is written as PRGV, how is DESK written in the same code? (a) VUGO (b) EFTL (c) WVHP (d) XWIQ
- 24.If TREE is written as FFSU, how is COLD written in the same code? (a) DLOC (b) CKNB (c) EMPD (d) DPME
- 25.If KITE is written as LJUF, how is TREE written in the same code? (a) VTGG (b) SQDD (c) FFSU (d) USFF
- 26.If GOLD is written as DLOG, how is SHIP written in the same code? (a) OHGR (b) QJIT (c) TIJQ (d) PIHS
- 27.If HAND is written as GZMC, how is BALL written in the same code? (a) CBMM (b) ZYJJ (c) AZKK (d) BALL
- 28.If CAKE is written as DBLF, how is DOG written in the same code? (a) HPE (b) CNF (c) EPH (d) FQI
- 29.If LION is written as OPJM, how is WIND written in the same code? (a) EOJX (b) CMHV (c) DNIW (d) XJOE
- 30.If PARK is written as SDUN, how is CAT written in the same code? (a) GEX (b) ECV (c) FDW (d) ZXQ
- 31.If JUMP is written as PMUJ, how is DOG written in the same code? (a) EPH (b) HPE (c) GOD (d) FNC
- 32.If PEN is written as NEP, how is NEST written in the same code? (a) UTFO (b) OFTU (c) SRDM (d) TSEN
- 33.If JUMP is written as QFNK, how is CAKE written in the same code? (a) WYOU (b) DBLF (c) XZPV (d) YAQW
- 34.If HAND is written as EOBI, how is MOON written in the same code? (a) OPPN (b) MNNL (c) NOOM (d) NPPO
- 35.If LAMP is written as KZLO, how is CAKE written in the same code? (a) CAKE (b) DBLF (c) AYIC (d) BZJD
- 36.If STAR is written as RATS, how is CAT written in the same code? (a) DBU (b) SZB (c) UBD (d) TAC
- 37.If BALL is written as CBMM, how is FISH written in the same code? (a) ITJG (b) GJTI (c) HKUJ (d) EHRG
- 38.If LAMP is written as OZNK, how is PARK written in the same code? (a) JYHO (b) QBSL (c) LAJQ (d) KZIP
- 39.If GOLD is written as FNQI, how is PEN written in the same code? (a) RGP (b) NEP (c) LCN (d) PGR
- 40.If TREE is written as EERT, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) SBJO (d) OJBS
Answer key
- NROP
- DLOG
- HSIF
- KLIM
- DLOC
- PMAL
- HSIF
- CPPL
- NROP
- MVHG
- EPH
- GZMC
- AYIC
- HFM
- ODM
- YLLP
- FROG
- OVT
- NOIL
- DNAH
- GLBH
- JQZO
- WVHP
- EMPD
- USFF
- PIHS
- AZKK
- EPH
- EOJX
- FDW
- GOD
- TSEN
- XZPV
- OPPN
- BZJD
- TAC
- GJTI
- KZIP
- PGR
- NIAR
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