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 PEN written in the same code? (a) OFQ (b) MDO (c) NEP (d) QFO
- 2.If RAIN is written as MHZQ, how is KITE written in the same code? (a) DSHJ (b) JHSD (c) ETIK (d) FUJL
- 3.If MILK is written as OKNM, how is DOG written in the same code? (a) FQI (b) EPH (c) BME (d) GRJ
- 4.If DOG is written as GOD, how is FROG written in the same code? (a) GSPH (b) GORF (c) FNQE (d) HPSG
- 5.If GOLD is written as DLOG, how is RAIN written in the same code? (a) NIAR (b) SBJO (c) MHZQ (d) OJBS
- 6.If DOG is written as GOD, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) OHGR (d) PIHS
- 7.If TREE is written as VTGG, how is WIND written in the same code? (a) ZLQG (b) XJOE (c) YKPF (d) UGLB
- 8.If BALL is written as DCNN, how is WIND written in the same code? (a) YKPF (b) UGLB (c) ZLQG (d) XJOE
- 9.If GOLD is written as DLOG, how is HAND written in the same code? (a) CMZG (b) IBOE (c) DNAH (d) EOBI
- 10.If LAMP is written as OZNK, how is STAR written in the same code? (a) GFYH (b) HGZI (c) TUBS (d) IHAJ
- 11.If DRUM is written as MURD, how is PEN written in the same code? (a) QFO (b) OFQ (c) NEP (d) MDO
- 12.If FISH is written as JUKH, how is HAND written in the same code? (a) DNAH (b) BLYF (c) FPCJ (d) JCPF
- 13.If FROG is written as HPSG, how is HAND written in the same code? (a) IBOE (b) EOBI (c) DNAH (d) CMZG
- 14.If LION is written as KHNM, how is MILK written in the same code? (a) MILK (b) KGJI (c) NJML (d) LHKJ
- 15.If STAR is written as TUBS, how is WIND written in the same code? (a) YKPF (b) VHMC (c) EOJX (d) XJOE
- 16.If DESK is written as GHVN, how is BALL written in the same code? (a) YXII (b) FEPP (c) EDOO (d) DCNN
- 17.If LAMP is written as MBNQ, how is PARK written in the same code? (a) RCTM (b) LSBQ (c) OZQJ (d) QBSL
- 18.If GOLD is written as CKNF, how is SHIP written in the same code? (a) OHGR (b) QJIT (c) RGHO (d) PIHS
- 19.If BALL is written as AZKK, how is TOYS written in the same code? (a) UPZT (b) TOYS (c) RMWQ (d) SNXR
- 20.If JUMP is written as QFNK, how is WIND written in the same code? (a) XJOE (b) CQLV (c) DRMW (d) ESNX
- 21.If MILK is written as NROP, how is LAMP written in the same code? (a) PAOL (b) MBNQ (c) NYMJ (d) OZNK
- 22.If FISH is written as URHS, how is BELL written in the same code? (a) XUNN (b) CFMM (c) YVOO (d) ZWPP
- 23.If TOYS is written as WRBV, how is GOLD written in the same code? (a) DLIA (b) JROG (c) KSPH (d) IQNF
- 24.If DESK is written as FGUM, how is STAR written in the same code? (a) QRYP (b) TUBS (c) UVCT (d) VWDU
- 25.If STAR is written as HGZI, how is GOLD written in the same code? (a) HPME (b) UMPX (c) SKNV (d) TLOW
- 26.If BOOK is written as ZMMI, how is CAT written in the same code? (a) ECV (b) BZS (c) AYR (d) ZXQ
- 27.If LAMP is written as JYKN, how is HAND written in the same code? (a) EXKA (b) JCPF (c) GZMC (d) FYLB
- 28.If SHIP is written as HSRK, how is DRUM written in the same code? (a) WIFN (b) XJGO (c) ESVN (d) VHEM
- 29.If BELL is written as YVOO, how is COLD written in the same code? (a) WKNV (b) XLOW (c) YMPX (d) DPME
- 30.If KITE is written as DSHJ, how is SHIP written in the same code? (a) OHGR (b) PIHS (c) QJIT (d) RGHO
- 31.If RAIN is written as IZRM, how is WIND written in the same code? (a) ESNX (b) DRMW (c) CQLV (d) XJOE
- 32.If PEN is written as NEP, how is SUN written in the same code? (a) OVT (b) TVO (c) NUS (d) MTR
- 33.If BOOK is written as YLLP, how is KITE written in the same code? (a) LJUF (b) PRGV (c) QSHW (d) OQFU
- 34.If TREE is written as GIVV, how is BOOK written in the same code? (a) XKKO (b) ZMMQ (c) YLLP (d) CPPL
- 35.If FISH is written as URHS, how is NEST written in the same code? (a) NWIH (b) MVHG (c) OFTU (d) LUGF
- 36.If SHIP is written as OHGR, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) PMUJ (d) ITLO
- 37.If STAR is written as TUBS, how is DOG written in the same code? (a) CNF (b) FQI (c) HPE (d) EPH
- 38.If GOLD is written as CKNF, how is BOOK written in the same code? (a) KOOB (b) ANNJ (c) LPPC (d) JNNA
- 39.If RAIN is written as NIAR, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) CPPL (d) JNNA
- 40.If BOOK is written as ERRN, how is SHIP written in the same code? (a) UJKR (b) WLMT (c) PEFM (d) VKLS
Answer key
- NEP
- DSHJ
- FQI
- GORF
- NIAR
- PIHS
- YKPF
- YKPF
- DNAH
- HGZI
- NEP
- FPCJ
- EOBI
- LHKJ
- XJOE
- EDOO
- QBSL
- OHGR
- SNXR
- DRMW
- OZNK
- YVOO
- JROG
- UVCT
- TLOW
- AYR
- FYLB
- WIFN
- XLOW
- OHGR
- DRMW
- NUS
- PRGV
- YLLP
- MVHG
- OLTI
- EPH
- JNNA
- KOOB
- VKLS
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