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 RAIN is written as NIAR, how is BELL written in the same code? (a) LLEB (b) CFMM (c) MMFC (d) KKDA
- 2.If STAR is written as HGZI, how is JUMP written in the same code? (a) RGOL (b) QFNK (c) PEMJ (d) KVNQ
- 3.If JUMP is written as QFNK, how is PARK written in the same code? (a) QBSL (b) LAJQ (c) KZIP (d) JYHO
- 4.If WIND is written as YKPF, how is RAIN written in the same code? (a) TCKP (b) PYGL (c) UDLQ (d) SBJO
- 5.If WIND is written as DRMW, how is FROG written in the same code? (a) VJMU (b) THKS (c) UILT (d) GSPH
- 6.If DOG is written as IQF, how is HAND written in the same code? (a) BLYF (b) JCPF (c) DNAH (d) FPCJ
- 7.If CAKE is written as DBLF, how is NEST written in the same code? (a) UTFO (b) PGUV (c) MDRS (d) OFTU
- 8.If LION is written as OLRQ, how is NEST written in the same code? (a) QHVW (b) KBPQ (c) RIWX (d) PGUV
- 9.If KITE is written as DSHJ, how is STAR written in the same code? (a) RSZQ (b) RATS (c) SBUT (d) QZSR
- 10.If GOLD is written as DLOG, how is BELL written in the same code? (a) MMFC (b) CFMM (c) LLEB (d) KKDA
- 11.If GOLD is written as IQNF, how is DESK written in the same code? (a) FGUM (b) EFTL (c) GHVN (d) BCQI
- 12.If CAKE is written as DJZB, how is GOLD written in the same code? (a) DLOG (b) FNKC (c) EMPH (d) CKNF
- 13.If BELL is written as CFMM, how is BALL written in the same code? (a) AZKK (b) DCNN (c) MMBC (d) CBMM
- 14.If CAT is written as XZG, how is GOLD written in the same code? (a) SKNV (b) UMPX (c) HPME (d) TLOW
- 15.If NEST is written as TSEN, how is FISH written in the same code? (a) HSIF (b) GRHE (c) ITJG (d) GJTI
- 16.If KITE is written as PRGV, how is SUN written in the same code? (a) IGN (b) GEL (c) HFM (d) TVO
- 17.If FROG is written as DPME, how is PEN written in the same code? (a) RGP (b) ODM (c) NCL (d) MBK
- 18.If RAIN is written as PKCT, how is FISH written in the same code? (a) FQGD (b) HSIF (c) HKUJ (d) JUKH
- 19.If TREE is written as EERT, how is MILK written in the same code? (a) JKHL (b) KLIM (c) LMJN (d) NJML
- 20.If SHIP is written as OHGR, how is BOOK written in the same code? (a) JNNA (b) LPPC (c) KOOB (d) ANNJ
- 21.If BOAT is written as VCQD, how is LAMP written in the same code? (a) PMAL (b) NCOR (c) NKYJ (d) ROCN
- 22.If BALL is written as NNCD, how is DRUM written in the same code? (a) MURD (b) FTWO (c) OWTF (d) KSPB
- 23.If DESK is written as KSED, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) LJUF (d) ETIK
- 24.If TREE is written as EERT, how is HAND written in the same code? (a) EOBI (b) IBOE (c) DNAH (d) CMZG
- 25.If BALL is written as YZOO, how is LAMP written in the same code? (a) PAOL (b) MBNQ (c) OZNK (d) NYMJ
- 26.If SUN is written as HFM, how is NEST written in the same code? (a) LUGF (b) NWIH (c) OFTU (d) MVHG
- 27.If FROG is written as HPSG, how is MILK written in the same code? (a) NJML (b) JKHL (c) LMJN (d) KLIM
- 28.If MILK is written as NROP, how is BOOK written in the same code? (a) YLLP (b) CPPL (c) ZMMQ (d) XKKO
- 29.If BOAT is written as ZMYR, how is HAND written in the same code? (a) EXKA (b) JCPF (c) FYLB (d) GZMC
- 30.If COLD is written as CKNB, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) RGHO (d) PIHS
- 31.If SHIP is written as PIHS, how is MOON written in the same code? (a) NOOM (b) MNNL (c) NPPO (d) OPPN
- 32.If FROG is written as GSPH, how is FISH written in the same code? (a) EHRG (b) GJTI (c) ITJG (d) HKUJ
- 33.If BELL is written as MMFC, how is FROG written in the same code? (a) GORF (b) FNQE (c) HPSG (d) GSPH
- 34.If SUN is written as HFM, how is LION written in the same code? (a) PSMN (b) NQKL (c) MJPO (d) ORLM
- 35.If FROG is written as HTQI, how is COLD written in the same code? (a) EQNF (b) DPME (c) AMJB (d) FROG
- 36.If DOG is written as EPH, how is JUMP written in the same code? (a) LWOR (b) QNVK (c) ITLO (d) KVNQ
- 37.If SHIP is written as HSRK, how is CAT written in the same code? (a) YAH (b) WYF (c) XZG (d) DBU
- 38.If SHIP is written as OHGR, how is RAIN written in the same code? (a) QZHM (b) NIAR (c) MHZQ (d) OJBS
- 39.If JUMP is written as HSKN, how is TREE written in the same code? (a) SQDD (b) QOBB (c) VTGG (d) RPCC
- 40.If JUMP is written as QNVK, how is TOYS written in the same code? (a) RXNS (b) SYOT (c) UPZT (d) TZPU
Answer key
- LLEB
- QFNK
- KZIP
- TCKP
- UILT
- FPCJ
- OFTU
- QHVW
- QZSR
- LLEB
- FGUM
- CKNF
- CBMM
- TLOW
- HSIF
- HFM
- NCL
- JUKH
- KLIM
- JNNA
- ROCN
- OWTF
- ETIK
- DNAH
- OZNK
- MVHG
- LMJN
- YLLP
- FYLB
- OHGR
- NOOM
- GJTI
- HPSG
- ORLM
- EQNF
- KVNQ
- XZG
- MHZQ
- RPCC
- TZPU
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