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 DOG is written as GOD, how is BOAT written in the same code? (a) CPBU (b) SZNA (c) TAOB (d) UBPC
- 2.If SUN is written as UWP, how is DRUM written in the same code? (a) BPSK (b) ESVN (c) FTWO (d) GUXP
- 3.If KITE is written as DSHJ, how is DRUM written in the same code? (a) LTQC (b) NVSE (c) MURD (d) CQTL
- 4.If BALL is written as EDOO, how is TOYS written in the same code? (a) VQAU (b) QLVP (c) XSCW (d) WRBV
- 5.If STAR is written as TCVU, how is FISH written in the same code? (a) JUKH (b) HSIF (c) FQGD (d) HKUJ
- 6.If BELL is written as LLEB, how is COLD written in the same code? (a) CKNB (b) DLOC (c) DPME (d) EMPD
- 7.If DRUM is written as LTQC, how is MILK written in the same code? (a) KLIM (b) JKHL (c) LMJN (d) LHKJ
- 8.If BALL is written as KKZA, how is WIND written in the same code? (a) CMHV (b) EOJX (c) DNIW (d) VHMC
- 9.If BALL is written as NNCD, how is RAIN written in the same code? (a) LGYP (b) TCKP (c) NIAR (d) PKCT
- 10.If FISH is written as GRHE, how is PEN written in the same code? (a) MDO (b) ODM (c) NEP (d) OFQ
- 11.If LAMP is written as PMAL, how is CAT written in the same code? (a) UBD (b) SZB (c) DBU (d) TAC
- 12.If DOG is written as WLT, how is BOAT written in the same code? (a) ZMAH (b) CPBU (c) YLZG (d) XKYF
- 13.If COLD is written as BNKC, how is MOON written in the same code? (a) MOON (b) NPPO (c) LNNM (d) KMML
- 14.If FROG is written as GSPH, how is PARK written in the same code? (a) QBSL (b) LSBQ (c) OZQJ (d) RCTM
- 15.If PARK is written as JQZO, how is LION written in the same code? (a) OPJM (b) MNHK (c) KHNM (d) NOIL
- 16.If FROG is written as GSPH, how is DESK written in the same code? (a) LTFE (b) FGUM (c) CDRJ (d) EFTL
- 17.If BOOK is written as YLLP, how is PARK written in the same code? (a) LAJQ (b) JYHO (c) QBSL (d) KZIP
- 18.If BOOK is written as KOOB, how is TOYS written in the same code? (a) RXNS (b) UPZT (c) TZPU (d) SYOT
- 19.If CAKE is written as ECMG, how is WIND written in the same code? (a) ZLQG (b) XJOE (c) YKPF (d) UGLB
- 20.If BOAT is written as VCQD, how is MILK written in the same code? (a) OKNM (b) KLIM (c) MNKO (d) IJGK
- 21.If SHIP is written as PIHS, how is FISH written in the same code? (a) ITJG (b) GRHE (c) HSIF (d) GJTI
- 22.If DRUM is written as FTWO, how is KITE written in the same code? (a) LJUF (b) NLWH (c) IGRC (d) MKVG
- 23.If BOAT is written as TAOB, how is TREE written in the same code? (a) USFF (b) DDQS (c) FFSU (d) EERT
- 24.If BOOK is written as CPPL, how is LAMP written in the same code? (a) MBNQ (b) NCOR (c) QNBM (d) KZLO
- 25.If DOG is written as GOD, how is KITE written in the same code? (a) ETIK (b) FUJL (c) DSHJ (d) LJUF
- 26.If SUN is written as NUS, how is BALL written in the same code? (a) MMBC (b) CBMM (c) KKZA (d) LLAB
- 27.If DRUM is written as WIFN, how is BOAT written in the same code? (a) ZMAH (b) CPBU (c) YLZG (d) XKYF
- 28.If SUN is written as UWP, how is PEN written in the same code? (a) QFO (b) NCL (c) RGP (d) SHQ
- 29.If PEN is written as KVM, how is FISH written in the same code? (a) VSIT (b) TQGR (c) GJTI (d) URHS
- 30.If DOG is written as WLT, how is NEST written in the same code? (a) NWIH (b) MVHG (c) LUGF (d) OFTU
- 31.If STAR is written as TCVU, how is RAIN written in the same code? (a) PKCT (b) LGYP (c) NIAR (d) TCKP
- 32.If CAT is written as SZB, how is STAR written in the same code? (a) SBUT (b) RSZQ (c) QZSR (d) RATS
- 33.If BOOK is written as KOOB, how is FROG written in the same code? (a) HPSG (b) GSPH (c) GORF (d) FNQE
- 34.If HAND is written as KDQG, how is FROG written in the same code? (a) IURJ (b) COLD (c) HTQI (d) JVSK
- 35.If PEN is written as KVM, how is CAKE written in the same code? (a) YAQW (b) DBLF (c) XZPV (d) WYOU
- 36.If HAND is written as JCPF, how is PEN written in the same code? (a) QFO (b) SHQ (c) RGP (d) NCL
- 37.If FISH is written as GJTI, how is GOLD written in the same code? (a) HPME (b) IQNF (c) EMPH (d) FNKC
- 38.If COLD is written as BNKC, how is PEN written in the same code? (a) PEN (b) QFO (c) NCL (d) ODM
- 39.If CAT is written as UBD, how is PEN written in the same code? (a) MDO (b) QFO (c) OFQ (d) NEP
- 40.If FISH is written as URHS, how is CAKE written in the same code? (a) WYOU (b) DBLF (c) YAQW (d) XZPV
Answer key
- TAOB
- FTWO
- LTQC
- WRBV
- JUKH
- DLOC
- JKHL
- CMHV
- PKCT
- MDO
- TAC
- YLZG
- LNNM
- QBSL
- MNHK
- EFTL
- KZIP
- SYOT
- YKPF
- MNKO
- HSIF
- MKVG
- EERT
- MBNQ
- ETIK
- LLAB
- YLZG
- RGP
- URHS
- MVHG
- PKCT
- QZSR
- GORF
- IURJ
- XZPV
- RGP
- HPME
- ODM
- OFQ
- XZPV
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