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 COLD is written as FNQE, how is LION written in the same code? (a) NOIL (b) NKQP (c) LMGJ (d) PQKN
- 2.If TOYS is written as GLBH, how is LAMP written in the same code? (a) PAOL (b) OZNK (c) NYMJ (d) MBNQ
- 3.If BALL is written as YZOO, how is GOLD written in the same code? (a) SKNV (b) UMPX (c) HPME (d) TLOW
- 4.If LION is written as OPJM, how is HAND written in the same code? (a) CMZG (b) DNAH (c) EOBI (d) IBOE
- 5.If PEN is written as KVM, how is SHIP written in the same code? (a) ITSL (b) TIJQ (c) GRQJ (d) HSRK
- 6.If NEST is written as QHVW, how is KITE written in the same code? (a) MKVG (b) HFQB (c) NLWH (d) OMXI
- 7.If COLD is written as DPME, how is BOOK written in the same code? (a) ANNJ (b) CPPL (c) DQQM (d) LPPC
- 8.If COLD is written as EMPD, how is DRUM written in the same code? (a) ESVN (b) NVSE (c) MURD (d) LTQC
- 9.If BELL is written as KKDA, how is GOLD written in the same code? (a) FNKC (b) EMPH (c) CKNF (d) DLOG
- 10.If HAND is written as JCPF, how is BOAT written in the same code? (a) ERDW (b) CPBU (c) ZMYR (d) DQCV
- 11.If DRUM is written as LTQC, how is WIND written in the same code? (a) VHMC (b) DNIW (c) EOJX (d) CMHV
- 12.If BALL is written as LLAB, how is CAT written in the same code? (a) TAC (b) SZB (c) UBD (d) DBU
- 13.If BOOK is written as LPPC, how is LAMP written in the same code? (a) OLZK (b) QNBM (c) MBNQ (d) PMAL
- 14.If DOG is written as WLT, how is BOAT written in the same code? (a) ZMAH (b) CPBU (c) XKYF (d) YLZG
- 15.If BOOK is written as KOOB, how is TREE written in the same code? (a) FFSU (b) DDQS (c) EERT (d) USFF
- 16.If BOAT is written as TAOB, how is KITE written in the same code? (a) FUJL (b) DSHJ (c) ETIK (d) LJUF
- 17.If LAMP is written as ROCN, how is DOG written in the same code? (a) EMB (b) FQI (c) IQF (d) GOD
- 18.If JUMP is written as KVNQ, how is DESK written in the same code? (a) FGUM (b) EFTL (c) CDRJ (d) LTFE
- 19.If RAIN is written as MHZQ, how is HAND written in the same code? (a) GZMC (b) DNAH (c) EOBI (d) CMZG
- 20.If DRUM is written as MURD, how is CAT written in the same code? (a) TAC (b) DBU (c) UBD (d) SZB
- 21.If JUMP is written as LWOR, how is LION written in the same code? (a) NKQP (b) OLRQ (c) JGML (d) MJPO
- 22.If MILK is written as OKNM, how is LION written in the same code? (a) OLRQ (b) MJPO (c) JGML (d) NKQP
- 23.If PARK is written as KRAP, how is SUN written in the same code? (a) OVT (b) TVO (c) MTR (d) NUS
- 24.If HAND is written as FYLB, how is BALL written in the same code? (a) AZKK (b) DCNN (c) ZYJJ (d) YXII
- 25.If LAMP is written as NCOR, how is KITE written in the same code? (a) LJUF (b) NLWH (c) IGRC (d) MKVG
- 26.If WIND is written as DRMW, how is DOG written in the same code? (a) EPH (b) XMU (c) WLT (d) VKS
- 27.If MILK is written as KLIM, how is LION written in the same code? (a) OPJM (b) NOIL (c) MJPO (d) MNHK
- 28.If LAMP is written as ROCN, how is MILK written in the same code? (a) IJGK (b) OKNM (c) MNKO (d) KLIM
- 29.If PEN is written as MDO, how is RAIN written in the same code? (a) MHZQ (b) OJBS (c) QZHM (d) NIAR
- 30.If GOLD is written as TLOW, how is TOYS written in the same code? (a) HMCI (b) GLBH (c) UPZT (d) FKAG
- 31.If MILK is written as PLON, how is CAT written in the same code? (a) ZXQ (b) FDW (c) GEX (d) ECV
- 32.If LAMP is written as JYKN, how is DRUM written in the same code? (a) AORJ (b) FTWO (c) CQTL (d) BPSK
- 33.If DOG is written as EPH, how is DRUM written in the same code? (a) ESVN (b) CQTL (c) FTWO (d) NVSE
- 34.If JUMP is written as MXPS, how is DRUM written in the same code? (a) HVYQ (b) GUXP (c) AORJ (d) FTWO
- 35.If MILK is written as KLIM, how is DOG written in the same code? (a) GOD (b) EPH (c) FNC (d) HPE
- 36.If NEST is written as TSEN, how is WIND written in the same code? (a) XJOE (b) DNIW (c) CMHV (d) EOJX
- 37.If DRUM is written as MURD, how is COLD written in the same code? (a) DPME (b) DLOC (c) EMPD (d) CKNB
- 38.If TOYS is written as SYOT, how is PARK written in the same code? (a) QBSL (b) LSBQ (c) KRAP (d) JQZO
- 39.If WIND is written as DRMW, how is LAMP written in the same code? (a) MBNQ (b) NYMJ (c) PAOL (d) OZNK
- 40.If BOOK is written as MQQD, how is SUN written in the same code? (a) PWU (b) LSQ (c) UWP (d) NUS
Answer key
- PQKN
- OZNK
- TLOW
- EOBI
- HSRK
- NLWH
- CPPL
- NVSE
- CKNF
- DQCV
- CMHV
- TAC
- QNBM
- YLZG
- EERT
- ETIK
- IQF
- EFTL
- CMZG
- TAC
- NKQP
- NKQP
- NUS
- ZYJJ
- MKVG
- WLT
- NOIL
- MNKO
- MHZQ
- GLBH
- FDW
- BPSK
- ESVN
- GUXP
- GOD
- DNIW
- DLOC
- KRAP
- OZNK
- PWU
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