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 BOOK is written as YLLP, how is BALL written in the same code? (a) XYNN (b) YZOO (c) ZAPP (d) CBMM
- 2.If CAKE is written as ECMG, how is HAND written in the same code? (a) KDQG (b) IBOE (c) JCPF (d) FYLB
- 3.If RAIN is written as IZRM, how is TREE written in the same code? (a) GIVV (b) HJWW (c) FHUU (d) USFF
- 4.If PARK is written as KRAP, how is DESK written in the same code? (a) KSED (b) LTFE (c) JRDC (d) EFTL
- 5.If BOOK is written as DQQM, how is DRUM written in the same code? (a) GUXP (b) FTWO (c) ESVN (d) BPSK
- 6.If SHIP is written as OHGR, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) KZLO (d) PMAL
- 7.If FROG is written as GORF, how is LION written in the same code? (a) NOIL (b) OPJM (c) MJPO (d) MNHK
- 8.If WIND is written as DNIW, how is RAIN written in the same code? (a) NIAR (b) OJBS (c) MHZQ (d) SBJO
- 9.If MILK is written as KGJI, how is FISH written in the same code? (a) EHRG (b) CFPE (c) DGQF (d) HKUJ
- 10.If CAKE is written as EKAC, how is TOYS written in the same code? (a) SYOT (b) UPZT (c) TZPU (d) RXNS
- 11.If BOOK is written as KOOB, how is BOAT written in the same code? (a) UBPC (b) SZNA (c) TAOB (d) CPBU
- 12.If DRUM is written as WIFN, how is COLD written in the same code? (a) YMPX (b) WKNV (c) XLOW (d) DPME
- 13.If LAMP is written as OZNK, how is MOON written in the same code? (a) NPPO (b) OMMN (c) MKKL (d) NLLM
- 14.If FISH is written as ITJG, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) SBJO (d) OJBS
- 15.If COLD is written as DLOC, how is CAKE written in the same code? (a) DBLF (b) DJZB (c) FLBD (d) EKAC
- 16.If FISH is written as GRHE, how is CAKE written in the same code? (a) EKAC (b) DJZB (c) BZJD (d) FLBD
- 17.If FROG is written as GSPH, how is NEST written in the same code? (a) UTFO (b) OFTU (c) MDRS (d) PGUV
- 18.If BOOK is written as KOOB, how is TREE written in the same code? (a) DDQS (b) FFSU (c) EERT (d) USFF
- 19.If PARK is written as KRAP, how is KITE written in the same code? (a) ETIK (b) DSHJ (c) LJUF (d) FUJL
- 20.If DOG is written as FNC, how is SHIP written in the same code? (a) QJIT (b) RGHO (c) PIHS (d) OHGR
- 21.If FROG is written as GORF, how is BELL written in the same code? (a) LLEB (b) MMFC (c) KKDA (d) CFMM
- 22.If BOOK is written as ZMMI, how is FROG written in the same code? (a) EQNF (b) COLD (c) DPME (d) HTQI
- 23.If SUN is written as NUS, how is PARK written in the same code? (a) QBSL (b) KRAP (c) JQZO (d) LSBQ
- 24.If PARK is written as KZIP, how is MILK written in the same code? (a) MQNO (b) OSPQ (c) NROP (d) NJML
- 25.If RAIN is written as OJBS, how is CAT written in the same code? (a) SZB (b) DBU (c) UBD (d) TAC
- 26.If TREE is written as GIVV, how is GOLD written in the same code? (a) SKNV (b) UMPX (c) TLOW (d) HPME
- 27.If KITE is written as PRGV, how is RAIN written in the same code? (a) JASN (b) SBJO (c) IZRM (d) HYQL
- 28.If HAND is written as JCPF, how is MILK written in the same code? (a) OKNM (b) KGJI (c) PLON (d) NJML
- 29.If NEST is written as OFTU, how is JUMP written in the same code? (a) LWOR (b) ITLO (c) QNVK (d) KVNQ
- 30.If BOOK is written as YLLP, how is FROG written in the same code? (a) UILT (b) GSPH (c) VJMU (d) THKS
- 31.If BALL is written as YZOO, how is FROG written in the same code? (a) THKS (b) GSPH (c) UILT (d) VJMU
- 32.If RAIN is written as SBJO, how is CAT written in the same code? (a) BZS (b) ECV (c) UBD (d) DBU
- 33.If STAR is written as RATS, how is WIND written in the same code? (a) CMHV (b) DNIW (c) XJOE (d) EOJX
- 34.If BOOK is written as DQQM, how is FISH written in the same code? (a) DGQF (b) ILVK (c) GJTI (d) HKUJ
- 35.If BOOK is written as ERRN, how is DOG written in the same code? (a) HSK (b) ALD (c) GRJ (d) FQI
- 36.If WIND is written as UGLB, how is BOOK written in the same code? (a) DQQM (b) YLLH (c) ZMMI (d) ANNJ
- 37.If BELL is written as ADKK, how is JUMP written in the same code? (a) HSKN (b) KVNQ (c) JUMP (d) ITLO
- 38.If MILK is written as OKNM, how is BELL written in the same code? (a) DGNN (b) ZCJJ (c) EHOO (d) CFMM
- 39.If JUMP is written as MXPS, how is TOYS written in the same code? (a) VQAU (b) QLVP (c) WRBV (d) XSCW
- 40.If SHIP is written as HSRK, how is NEST written in the same code? (a) MVHG (b) NWIH (c) LUGF (d) OFTU
Answer key
- YZOO
- JCPF
- GIVV
- KSED
- FTWO
- OLZK
- NOIL
- NIAR
- DGQF
- SYOT
- TAOB
- XLOW
- NLLM
- OJBS
- EKAC
- DJZB
- OFTU
- EERT
- ETIK
- OHGR
- LLEB
- DPME
- KRAP
- NROP
- UBD
- TLOW
- IZRM
- OKNM
- KVNQ
- UILT
- UILT
- DBU
- DNIW
- HKUJ
- GRJ
- ZMMI
- ITLO
- DGNN
- WRBV
- MVHG
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