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 SHIP is written as RGHO, how is HAND written in the same code? (a) HAND (b) FYLB (c) IBOE (d) GZMC
- 2.If BOOK is written as DQQM, how is MILK written in the same code? (a) PLON (b) OKNM (c) NJML (d) KGJI
- 3.If DRUM is written as OWTF, how is SUN written in the same code? (a) LSQ (b) NUS (c) UWP (d) PWU
- 4.If DESK is written as LTFE, how is PEN written in the same code? (a) QFO (b) NEP (c) OFQ (d) MDO
- 5.If SHIP is written as HSRK, how is NEST written in the same code? (a) NWIH (b) LUGF (c) MVHG (d) OFTU
- 6.If DOG is written as GOD, how is STAR written in the same code? (a) TUBS (b) SBUT (c) QZSR (d) RATS
- 7.If PEN is written as KVM, how is BALL written in the same code? (a) XYNN (b) CBMM (c) ZAPP (d) YZOO
- 8.If MOON is written as OPPN, how is SUN written in the same code? (a) NUS (b) MTR (c) OVT (d) TVO
- 9.If DOG is written as FNC, how is MILK written in the same code? (a) LHKJ (b) JKHL (c) KLIM (d) LMJN
- 10.If JUMP is written as PMUJ, how is CAKE written in the same code? (a) FLBD (b) DBLF (c) EKAC (d) DJZB
- 11.If STAR is written as QRYP, how is NEST written in the same code? (a) MDRS (b) PGUV (c) LCQR (d) KBPQ
- 12.If BOOK is written as JNNA, how is KITE written in the same code? (a) JHSD (b) ETIK (c) DSHJ (d) FUJL
- 13.If PEN is written as KVM, how is DESK written in the same code? (a) EFTL (b) VUGO (c) XWIQ (d) WVHP
- 14.If TREE is written as GGTV, how is DOG written in the same code? (a) GOD (b) FQI (c) EMB (d) IQF
- 15.If CAKE is written as GMCE, how is MILK written in the same code? (a) MNKO (b) KLIM (c) IJGK (d) OKNM
- 16.If LAMP is written as NCOR, how is COLD written in the same code? (a) FROG (b) AMJB (c) DPME (d) EQNF
- 17.If BOAT is written as TAOB, how is BELL written in the same code? (a) LLEB (b) MMFC (c) KKDA (d) CFMM
- 18.If STAR is written as RSZQ, how is BALL written in the same code? (a) AZKK (b) ZYJJ (c) BALL (d) CBMM
- 19.If CAKE is written as EKAC, how is SHIP written in the same code? (a) QJIT (b) PIHS (c) TIJQ (d) OHGR
- 20.If LION is written as NOIL, how is BALL written in the same code? (a) KKZA (b) CBMM (c) LLAB (d) MMBC
- 21.If TREE is written as EERT, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) QNVK (d) PMUJ
- 22.If PEN is written as NEP, how is MILK written in the same code? (a) KLIM (b) LMJN (c) NJML (d) JKHL
- 23.If SUN is written as HFM, how is JUMP written in the same code? (a) RGOL (b) QFNK (c) KVNQ (d) PEMJ
- 24.If LAMP is written as OLZK, how is CAT written in the same code? (a) SZB (b) TAC (c) UBD (d) BZS
- 25.If DOG is written as WLT, how is DRUM written in the same code? (a) ESVN (b) XJGO (c) WIFN (d) VHEM
- 26.If DESK is written as MUGF, how is DRUM written in the same code? (a) KSPB (b) MURD (c) OWTF (d) FTWO
- 27.If SUN is written as PWU, how is LION written in the same code? (a) LMGJ (b) NOIL (c) PQKN (d) NKQP
- 28.If NEST is written as LCQR, how is DRUM written in the same code? (a) CQTL (b) FTWO (c) AORJ (d) BPSK
- 29.If COLD is written as DLOC, how is DESK written in the same code? (a) EFTL (b) JRDC (c) KSED (d) LTFE
- 30.If CAT is written as TAC, how is DRUM written in the same code? (a) MURD (b) ESVN (c) LTQC (d) NVSE
- 31.If MILK is written as KLIM, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) FUJL (d) LJUF
- 32.If TOYS is written as GLBH, how is LAMP written in the same code? (a) PAOL (b) NYMJ (c) MBNQ (d) OZNK
- 33.If BALL is written as YZOO, how is COLD written in the same code? (a) WKNV (b) YMPX (c) DPME (d) XLOW
- 34.If BALL is written as EDOO, how is GOLD written in the same code? (a) KSPH (b) DLIA (c) IQNF (d) JROG
- 35.If SUN is written as VXQ, how is COLD written in the same code? (a) FROG (b) ZLIA (c) GSPH (d) EQNF
- 36.If WIND is written as DRMW, how is FROG written in the same code? (a) GSPH (b) VJMU (c) THKS (d) UILT
- 37.If DRUM is written as WIFN, how is LAMP written in the same code? (a) PAOL (b) MBNQ (c) NYMJ (d) OZNK
- 38.If DESK is written as KSED, how is LION written in the same code? (a) MNHK (b) MJPO (c) NOIL (d) OPJM
- 39.If CAKE is written as FDNH, how is TOYS written in the same code? (a) QLVP (b) VQAU (c) WRBV (d) XSCW
- 40.If WIND is written as DRMW, how is MOON written in the same code? (a) OMMN (b) NPPO (c) MKKL (d) NLLM
Answer key
- GZMC
- OKNM
- PWU
- OFQ
- MVHG
- RATS
- YZOO
- OVT
- JKHL
- EKAC
- LCQR
- DSHJ
- WVHP
- IQF
- MNKO
- EQNF
- LLEB
- AZKK
- PIHS
- LLAB
- PMUJ
- KLIM
- QFNK
- SZB
- WIFN
- OWTF
- PQKN
- BPSK
- KSED
- MURD
- ETIK
- OZNK
- XLOW
- JROG
- FROG
- UILT
- OZNK
- NOIL
- WRBV
- NLLM
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