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 LION is written as MNHK, how is MILK written in the same code? (a) LMJN (b) KLIM (c) LHKJ (d) JKHL
- 2.If DOG is written as IQF, how is GOLD written in the same code? (a) DLOG (b) IQNF (c) BJME (d) FNQI
- 3.If JUMP is written as KVNQ, how is TREE written in the same code? (a) USFF (b) FFSU (c) VTGG (d) SQDD
- 4.If TOYS is written as SYOT, how is STAR written in the same code? (a) RATS (b) TUBS (c) SBUT (d) QZSR
- 5.If SUN is written as UWP, how is CAKE written in the same code? (a) ECMG (b) DBLF (c) FDNH (d) AYIC
- 6.If DESK is written as GHVN, how is LION written in the same code? (a) NKQP (b) OLRQ (c) PMSR (d) IFLK
- 7.If WIND is written as FPKY, how is BOOK written in the same code? (a) MQQD (b) DQQM (c) IMMZ (d) KOOB
- 8.If LION is written as JGML, how is DOG written in the same code? (a) BME (b) FQI (c) ALD (d) CNF
- 9.If TOYS is written as UAQV, how is CAT written in the same code? (a) TAC (b) ECV (c) VCE (d) RYA
- 10.If TREE is written as GIVV, how is BOOK written in the same code? (a) XKKO (b) ZMMQ (c) YLLP (d) CPPL
- 11.If STAR is written as UVCT, how is JUMP written in the same code? (a) KVNQ (b) MXPS (c) HSKN (d) LWOR
- 12.If TREE is written as VTGG, how is PEN written in the same code? (a) NCL (b) RGP (c) QFO (d) SHQ
- 13.If BOAT is written as ANZS, how is CAT written in the same code? (a) CAT (b) AYR (c) BZS (d) DBU
- 14.If MILK is written as KLIM, how is BALL written in the same code? (a) LLAB (b) KKZA (c) MMBC (d) CBMM
- 15.If GOLD is written as JROG, how is STAR written in the same code? (a) PQXO (b) UVCT (c) VWDU (d) WXEV
- 16.If BELL is written as LLEB, how is HAND written in the same code? (a) EOBI (b) CMZG (c) DNAH (d) IBOE
- 17.If BOAT is written as YLZG, how is LION written in the same code? (a) MJPO (b) PSMN (c) NQKL (d) ORLM
- 18.If LAMP is written as PMAL, how is STAR written in the same code? (a) SBUT (b) TUBS (c) RATS (d) QZSR
- 19.If RAIN is written as IZRM, how is DOG written in the same code? (a) VKS (b) EPH (c) XMU (d) WLT
- 20.If DESK is written as WVHP, how is CAKE written in the same code? (a) DBLF (b) XZPV (c) WYOU (d) YAQW
- 21.If CAKE is written as GMCE, how is HAND written in the same code? (a) FPCJ (b) DNAH (c) BLYF (d) JCPF
- 22.If COLD is written as XLOW, how is BOOK written in the same code? (a) XKKO (b) CPPL (c) ZMMQ (d) YLLP
- 23.If PARK is written as MTCR, how is BOOK written in the same code? (a) KOOB (b) MQQD (c) DQQM (d) IMMZ
- 24.If FISH is written as DGQF, how is PEN written in the same code? (a) ODM (b) MBK (c) NCL (d) RGP
- 25.If LION is written as MNHK, how is PEN written in the same code? (a) OFQ (b) NEP (c) MDO (d) ODM
- 26.If DRUM is written as OWTF, how is PARK written in the same code? (a) KRAP (b) IPYN (c) MTCR (d) RCTM
- 27.If LAMP is written as PMAL, how is FROG written in the same code? (a) HPSG (b) GSPH (c) GORF (d) FNQE
- 28.If SHIP is written as PIHS, how is MILK written in the same code? (a) JKHL (b) NJML (c) KLIM (d) LMJN
- 29.If LION is written as NOIL, how is PARK written in the same code? (a) KRAP (b) QBSL (c) JQZO (d) LSBQ
- 30.If CAT is written as AYR, how is DOG written in the same code? (a) ALD (b) CNF (c) FQI (d) BME
- 31.If JUMP is written as ROWL, how is SUN written in the same code? (a) LSQ (b) NUS (c) UWP (d) PWU
- 32.If KITE is written as PRGV, how is SUN written in the same code? (a) IGN (b) TVO (c) GEL (d) HFM
- 33.If FROG is written as UILT, how is TOYS written in the same code? (a) FKAG (b) UPZT (c) HMCI (d) GLBH
- 34.If FROG is written as IURJ, how is SUN written in the same code? (a) WYR (b) PRK (c) UWP (d) VXQ
- 35.If DOG is written as HPE, how is HAND written in the same code? (a) IBOE (b) DNAH (c) CMZG (d) EOBI
- 36.If JUMP is written as KVNQ, how is FISH written in the same code? (a) GJTI (b) EHRG (c) HKUJ (d) ITJG
- 37.If LION is written as OLRQ, how is DRUM written in the same code? (a) AORJ (b) FTWO (c) GUXP (d) HVYQ
- 38.If COLD is written as DLOC, how is PEN written in the same code? (a) OFQ (b) NEP (c) QFO (d) MDO
- 39.If TREE is written as FFSU, how is DOG written in the same code? (a) GOD (b) FNC (c) HPE (d) EPH
- 40.If BALL is written as YZOO, how is JUMP written in the same code? (a) PEMJ (b) KVNQ (c) RGOL (d) QFNK
Answer key
- JKHL
- FNQI
- USFF
- RATS
- ECMG
- OLRQ
- MQQD
- BME
- VCE
- YLLP
- LWOR
- RGP
- BZS
- LLAB
- VWDU
- DNAH
- ORLM
- RATS
- WLT
- XZPV
- FPCJ
- YLLP
- MQQD
- NCL
- MDO
- MTCR
- GORF
- KLIM
- KRAP
- BME
- PWU
- HFM
- GLBH
- VXQ
- EOBI
- GJTI
- GUXP
- NEP
- HPE
- QFNK
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