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 WIND is written as DRMW, how is FISH written in the same code? (a) VSIT (b) URHS (c) TQGR (d) GJTI
- 2.If HAND is written as SZMW, how is NEST written in the same code? (a) NWIH (b) MVHG (c) LUGF (d) OFTU
- 3.If FISH is written as URHS, how is DRUM written in the same code? (a) WIFN (b) VHEM (c) ESVN (d) XJGO
- 4.If TOYS is written as TZPU, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) SBJO (d) OJBS
- 5.If STAR is written as RATS, how is SUN written in the same code? (a) MTR (b) TVO (c) OVT (d) NUS
- 6.If STAR is written as RATS, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) UPZT (d) SYOT
- 7.If BALL is written as DCNN, how is BELL written in the same code? (a) EHOO (b) CFMM (c) DGNN (d) ZCJJ
- 8.If PEN is written as KVM, how is BALL written in the same code? (a) ZAPP (b) XYNN (c) CBMM (d) YZOO
- 9.If TREE is written as GIVV, how is KITE written in the same code? (a) LJUF (b) PRGV (c) OQFU (d) QSHW
- 10.If DESK is written as EFTL, how is TREE written in the same code? (a) VTGG (b) USFF (c) FFSU (d) SQDD
- 11.If GOLD is written as EMPH, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) OJBS (d) SBJO
- 12.If CAT is written as XZG, how is RAIN written in the same code? (a) JASN (b) HYQL (c) IZRM (d) SBJO
- 13.If MILK is written as MNKO, how is BALL written in the same code? (a) DCNN (b) NNCD (c) LLAB (d) JJYZ
- 14.If MILK is written as NROP, how is MOON written in the same code? (a) OMMN (b) MKKL (c) NPPO (d) NLLM
- 15.If STAR is written as TUBS, how is MILK written in the same code? (a) LMJN (b) NJML (c) OKNM (d) LHKJ
- 16.If LAMP is written as ROCN, how is CAKE written in the same code? (a) EKAC (b) GMCE (c) ECMG (d) CIYA
- 17.If CAT is written as XZG, how is BALL written in the same code? (a) ZAPP (b) CBMM (c) YZOO (d) XYNN
- 18.If WIND is written as CMHV, how is DRUM written in the same code? (a) CQTL (b) NVSE (c) MURD (d) LTQC
- 19.If DESK is written as BCQI, how is GOLD written in the same code? (a) IQNF (b) FNKC (c) DLIA (d) EMJB
- 20.If GOLD is written as DLOG, how is CAKE written in the same code? (a) DBLF (b) DJZB (c) FLBD (d) EKAC
- 21.If TREE is written as GIVV, how is WIND written in the same code? (a) XJOE (b) ESNX (c) DRMW (d) CQLV
- 22.If DRUM is written as WIFN, how is PEN written in the same code? (a) KVM (b) LWN (c) JUL (d) QFO
- 23.If COLD is written as DLOC, how is FISH written in the same code? (a) GJTI (b) GRHE (c) ITJG (d) HSIF
- 24.If LION is written as OPJM, how is KITE written in the same code? (a) DSHJ (b) LJUF (c) FUJL (d) ETIK
- 25.If SHIP is written as VKLS, how is MOON written in the same code? (a) QSSR (b) OQQP (c) JLLK (d) PRRQ
- 26.If LAMP is written as PMAL, how is BALL written in the same code? (a) KKZA (b) LLAB (c) CBMM (d) MMBC
- 27.If PEN is written as NEP, how is FISH written in the same code? (a) ITJG (b) GJTI (c) GRHE (d) HSIF
- 28.If KITE is written as DSHJ, how is MILK written in the same code? (a) LMJN (b) JKHL (c) LHKJ (d) KLIM
- 29.If DOG is written as FNC, how is BOOK written in the same code? (a) KOOB (b) JNNA (c) LPPC (d) ANNJ
- 30.If SHIP is written as PIHS, how is WIND written in the same code? (a) XJOE (b) CMHV (c) DNIW (d) EOJX
- 31.If MILK is written as NROP, how is SUN written in the same code? (a) HFM (b) IGN (c) TVO (d) GEL
- 32.If BALL is written as YZOO, how is BOOK written in the same code? (a) XKKO (b) ZMMQ (c) YLLP (d) CPPL
- 33.If DESK is written as KSED, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) PMAL (d) MBNQ
- 34.If STAR is written as UVCT, how is CAT written in the same code? (a) ECV (b) FDW (c) AYR (d) DBU
- 35.If CAKE is written as EKAC, how is SHIP written in the same code? (a) PIHS (b) OHGR (c) QJIT (d) TIJQ
- 36.If TREE is written as FFSU, how is DOG written in the same code? (a) GOD (b) EPH (c) HPE (d) FNC
- 37.If STAR is written as HGZI, how is FISH written in the same code? (a) VSIT (b) GJTI (c) URHS (d) TQGR
- 38.If DRUM is written as MURD, how is KITE written in the same code? (a) FUJL (b) ETIK (c) DSHJ (d) LJUF
- 39.If MILK is written as LMJN, how is NEST written in the same code? (a) UTFO (b) TSEN (c) SRDM (d) OFTU
- 40.If NEST is written as MVHG, how is BOAT written in the same code? (a) XKYF (b) ZMAH (c) YLZG (d) CPBU
Answer key
- URHS
- MVHG
- WIFN
- OJBS
- NUS
- SYOT
- DGNN
- YZOO
- PRGV
- USFF
- OJBS
- IZRM
- NNCD
- NLLM
- NJML
- GMCE
- YZOO
- LTQC
- EMJB
- EKAC
- DRMW
- KVM
- HSIF
- FUJL
- PRRQ
- LLAB
- HSIF
- JKHL
- JNNA
- DNIW
- HFM
- YLLP
- PMAL
- ECV
- PIHS
- HPE
- URHS
- ETIK
- UTFO
- YLZG
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