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 SUN is written as HFM, how is BELL written in the same code? (a) ZWPP (b) YVOO (c) CFMM (d) XUNN
- 2.If BALL is written as LLAB, how is SUN written in the same code? (a) MTR (b) NUS (c) OVT (d) TVO
- 3.If FROG is written as GORF, how is SUN written in the same code? (a) OVT (b) MTR (c) NUS (d) TVO
- 4.If TREE is written as DDQS, how is BALL written in the same code? (a) MMBC (b) AZKK (c) KKZA (d) LLAB
- 5.If DESK is written as KSED, how is GOLD written in the same code? (a) DLOG (b) CKNF (c) EMPH (d) HPME
- 6.If TREE is written as RPCC, how is GOLD written in the same code? (a) FNKC (b) DLIA (c) IQNF (d) EMJB
- 7.If FROG is written as HTQI, how is BOOK written in the same code? (a) ZMMI (b) CPPL (c) DQQM (d) ERRN
- 8.If CAKE is written as EKAC, how is BOAT written in the same code? (a) SZNA (b) TAOB (c) CPBU (d) UBPC
- 9.If CAKE is written as DJZB, how is HAND written in the same code? (a) DNAH (b) EOBI (c) CMZG (d) GZMC
- 10.If NEST is written as VUGP, how is FISH written in the same code? (a) HSIF (b) JUKH (c) HKUJ (d) FQGD
- 11.If PEN is written as KVM, how is KITE written in the same code? (a) PRGV (b) LJUF (c) OQFU (d) QSHW
- 12.If SUN is written as RTM, how is CAT written in the same code? (a) CAT (b) AYR (c) DBU (d) BZS
- 13.If PARK is written as KZIP, how is PEN written in the same code? (a) KVM (b) LWN (c) JUL (d) QFO
- 14.If CAKE is written as FDNH, how is LION written in the same code? (a) PMSR (b) OLRQ (c) NKQP (d) IFLK
- 15.If HAND is written as IBOE, how is DRUM written in the same code? (a) NVSE (b) ESVN (c) FTWO (d) CQTL
- 16.If BELL is written as YVOO, how is LAMP written in the same code? (a) OZNK (b) MBNQ (c) NYMJ (d) PAOL
- 17.If JUMP is written as QFNK, how is DESK written in the same code? (a) XWIQ (b) VUGO (c) EFTL (d) WVHP
- 18.If BOOK is written as ANNJ, how is HAND written in the same code? (a) FYLB (b) HAND (c) GZMC (d) IBOE
- 19.If BALL is written as CBMM, how is WIND written in the same code? (a) VHMC (b) YKPF (c) XJOE (d) EOJX
- 20.If NEST is written as TSEN, how is DOG written in the same code? (a) EPH (b) HPE (c) FNC (d) GOD
- 21.If RAIN is written as IZRM, how is PEN written in the same code? (a) KVM (b) LWN (c) JUL (d) QFO
- 22.If HAND is written as DNAH, how is TREE written in the same code? (a) EERT (b) DDQS (c) FFSU (d) USFF
- 23.If WIND is written as DRMW, how is SUN written in the same code? (a) GEL (b) TVO (c) HFM (d) IGN
- 24.If SUN is written as RTM, how is BOOK written in the same code? (a) CPPL (b) ZMMI (c) BOOK (d) ANNJ
- 25.If LAMP is written as OZNK, how is BOOK written in the same code? (a) XKKO (b) YLLP (c) ZMMQ (d) CPPL
- 26.If STAR is written as HGZI, how is BELL written in the same code? (a) CFMM (b) YVOO (c) XUNN (d) ZWPP
- 27.If PEN is written as QFO, how is SHIP written in the same code? (a) UJKR (b) TIJQ (c) QJIT (d) RGHO
- 28.If GOLD is written as IQNF, how is DRUM written in the same code? (a) GUXP (b) BPSK (c) ESVN (d) FTWO
- 29.If MILK is written as NROP, how is BALL written in the same code? (a) CBMM (b) ZAPP (c) YZOO (d) XYNN
- 30.If MILK is written as LHKJ, how is FROG written in the same code? (a) FROG (b) EQNF (c) DPME (d) GSPH
- 31.If DRUM is written as WIFN, how is DOG written in the same code? (a) VKS (b) XMU (c) WLT (d) EPH
- 32.If WIND is written as DNIW, how is CAKE written in the same code? (a) FLBD (b) DBLF (c) DJZB (d) EKAC
- 33.If KITE is written as IGRC, how is TOYS written in the same code? (a) SNXR (b) RMWQ (c) QLVP (d) VQAU
- 34.If PARK is written as RCTM, how is MILK written in the same code? (a) PLON (b) KGJI (c) OKNM (d) NJML
- 35.If BOOK is written as DQQM, how is GOLD written in the same code? (a) EMJB (b) HPME (c) IQNF (d) JROG
- 36.If SHIP is written as UJKR, how is RAIN written in the same code? (a) TCKP (b) UDLQ (c) PYGL (d) SBJO
- 37.If BOOK is written as MQQD, how is MILK written in the same code? (a) KLIM (b) MNKO (c) OKNM (d) IJGK
- 38.If HAND is written as IBOE, how is TOYS written in the same code? (a) UPZT (b) SNXR (c) TZPU (d) VQAU
- 39.If TOYS is written as RMWQ, how is BOOK written in the same code? (a) DQQM (b) YLLH (c) ZMMI (d) ANNJ
- 40.If FISH is written as HSIF, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) ETIK (d) LJUF
Answer key
- YVOO
- NUS
- NUS
- KKZA
- DLOG
- EMJB
- DQQM
- TAOB
- CMZG
- JUKH
- PRGV
- BZS
- KVM
- OLRQ
- ESVN
- OZNK
- WVHP
- GZMC
- XJOE
- GOD
- KVM
- EERT
- HFM
- ANNJ
- YLLP
- YVOO
- TIJQ
- FTWO
- YZOO
- EQNF
- WLT
- EKAC
- RMWQ
- OKNM
- IQNF
- TCKP
- MNKO
- UPZT
- ZMMI
- ETIK
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