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 TOYS is written as GLBH, how is DOG written in the same code? (a) XMU (b) WLT (c) VKS (d) EPH
- 2.If BOOK is written as YLLP, how is NEST written in the same code? (a) OFTU (b) LUGF (c) NWIH (d) MVHG
- 3.If CAKE is written as ECMG, how is DOG written in the same code? (a) BME (b) GRJ (c) FQI (d) EPH
- 4.If MILK is written as JKHL, how is SHIP written in the same code? (a) OHGR (b) QJIT (c) RGHO (d) PIHS
- 5.If GOLD is written as DLOG, how is PEN written in the same code? (a) NEP (b) OFQ (c) MDO (d) QFO
- 6.If CAT is written as VCE, how is JUMP written in the same code? (a) PMUJ (b) LWOR (c) NKSH (d) ROWL
- 7.If MILK is written as PLON, how is NEST written in the same code? (a) RIWX (b) KBPQ (c) QHVW (d) PGUV
- 8.If KITE is written as IGRC, how is HAND written in the same code? (a) JCPF (b) GZMC (c) EXKA (d) FYLB
- 9.If BOAT is written as ZMYR, how is TREE written in the same code? (a) RPCC (b) VTGG (c) SQDD (d) QOBB
- 10.If CAT is written as TAC, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) ETIK (d) LJUF
- 11.If COLD is written as XLOW, how is BOAT written in the same code? (a) ZMAH (b) CPBU (c) YLZG (d) XKYF
- 12.If KITE is written as MKVG, how is BELL written in the same code? (a) DGNN (b) CFMM (c) ZCJJ (d) EHOO
- 13.If GOLD is written as TLOW, how is NEST written in the same code? (a) NWIH (b) LUGF (c) MVHG (d) OFTU
- 14.If RAIN is written as IZRM, how is LION written in the same code? (a) NQKL (b) MJPO (c) PSMN (d) ORLM
- 15.If HAND is written as DNAH, how is JUMP written in the same code? (a) KVNQ (b) PMUJ (c) OLTI (d) QNVK
- 16.If BALL is written as AZKK, how is TREE written in the same code? (a) RPCC (b) SQDD (c) USFF (d) TREE
- 17.If DRUM is written as LTQC, how is TOYS written in the same code? (a) SNXR (b) RXNS (c) TZPU (d) SYOT
- 18.If RAIN is written as SBJO, how is FROG written in the same code? (a) EQNF (b) GSPH (c) HTQI (d) HPSG
- 19.If STAR is written as RSZQ, how is DOG written in the same code? (a) CNF (b) BME (c) EPH (d) DOG
- 20.If BELL is written as YVOO, how is DRUM written in the same code? (a) XJGO (b) WIFN (c) ESVN (d) VHEM
- 21.If WIND is written as CMHV, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) OZQJ (d) JQZO
- 22.If JUMP is written as PMUJ, how is COLD written in the same code? (a) CKNB (b) DLOC (c) EMPD (d) DPME
- 23.If KITE is written as NLWH, how is BALL written in the same code? (a) EDOO (b) FEPP (c) DCNN (d) YXII
- 24.If PEN is written as SHQ, how is SHIP written in the same code? (a) PEFM (b) WLMT (c) UJKR (d) VKLS
- 25.If KITE is written as MKVG, how is STAR written in the same code? (a) QRYP (b) VWDU (c) TUBS (d) UVCT
- 26.If KITE is written as IGRC, how is FISH written in the same code? (a) DGQF (b) HKUJ (c) EHRG (d) CFPE
- 27.If BELL is written as EHOO, how is CAT written in the same code? (a) ECV (b) GEX (c) ZXQ (d) FDW
- 28.If WIND is written as DRMW, how is NEST written in the same code? (a) OFTU (b) MVHG (c) NWIH (d) LUGF
- 29.If DOG is written as EPH, how is DRUM written in the same code? (a) CQTL (b) FTWO (c) ESVN (d) NVSE
- 30.If BOOK is written as KOOB, how is FISH written in the same code? (a) GRHE (b) ITJG (c) GJTI (d) HSIF
- 31.If BELL is written as NNGD, how is SUN written in the same code? (a) UWP (b) NUS (c) PWU (d) LSQ
- 32.If CAT is written as TAC, how is HAND written in the same code? (a) CMZG (b) IBOE (c) DNAH (d) EOBI
- 33.If FROG is written as UILT, how is PARK written in the same code? (a) LAJQ (b) QBSL (c) JYHO (d) KZIP
- 34.If DRUM is written as WIFN, how is HAND written in the same code? (a) RYLV (b) TANX (c) IBOE (d) SZMW
- 35.If COLD is written as DLOC, how is SHIP written in the same code? (a) TIJQ (b) PIHS (c) QJIT (d) OHGR
- 36.If DESK is written as MUGF, how is DRUM written in the same code? (a) OWTF (b) MURD (c) FTWO (d) KSPB
- 37.If GOLD is written as TLOW, how is PEN written in the same code? (a) KVM (b) JUL (c) QFO (d) LWN
- 38.If TREE is written as GIVV, how is BOOK written in the same code? (a) XKKO (b) YLLP (c) ZMMQ (d) CPPL
- 39.If DOG is written as HPE, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) QNVK (d) PMUJ
- 40.If MOON is written as OPPN, how is LAMP written in the same code? (a) PMAL (b) OLZK (c) QNBM (d) MBNQ
Answer key
- WLT
- MVHG
- FQI
- OHGR
- NEP
- ROWL
- QHVW
- FYLB
- RPCC
- ETIK
- YLZG
- DGNN
- MVHG
- ORLM
- PMUJ
- SQDD
- RXNS
- GSPH
- CNF
- WIFN
- JQZO
- DLOC
- EDOO
- VKLS
- UVCT
- DGQF
- FDW
- MVHG
- ESVN
- HSIF
- PWU
- DNAH
- KZIP
- SZMW
- PIHS
- OWTF
- KVM
- YLLP
- QNVK
- QNBM
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