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 TREE is written as VTGG, how is CAT written in the same code? (a) ECV (b) DBU (c) FDW (d) AYR
- 2.If RAIN is written as SBJO, how is TREE written in the same code? (a) SQDD (b) VTGG (c) USFF (d) FFSU
- 3.If BOAT is written as VCQD, how is PARK written in the same code? (a) MTCR (b) RCTM (c) IPYN (d) KRAP
- 4.If MILK is written as LHKJ, how is LAMP written in the same code? (a) JYKN (b) KZLO (c) MBNQ (d) LAMP
- 5.If CAKE is written as FLBD, how is PARK written in the same code? (a) JQZO (b) QBSL (c) KRAP (d) LSBQ
- 6.If FISH is written as URHS, how is MILK written in the same code? (a) NROP (b) MQNO (c) OSPQ (d) NJML
- 7.If FISH is written as HKUJ, how is SUN written in the same code? (a) UWP (b) TVO (c) VXQ (d) QSL
- 8.If CAKE is written as XZPV, how is MILK written in the same code? (a) OSPQ (b) MQNO (c) NROP (d) NJML
- 9.If NEST is written as TSEN, how is KITE written in the same code? (a) DSHJ (b) LJUF (c) FUJL (d) ETIK
- 10.If MOON is written as NOOM, how is JUMP written in the same code? (a) OLTI (b) PMUJ (c) KVNQ (d) QNVK
- 11.If TREE is written as FFSU, how is SHIP written in the same code? (a) OHGR (b) PIHS (c) TIJQ (d) QJIT
- 12.If PEN is written as NEP, how is FROG written in the same code? (a) FNQE (b) HPSG (c) GORF (d) GSPH
- 13.If STAR is written as RATS, how is PEN written in the same code? (a) OFQ (b) MDO (c) NEP (d) QFO
- 14.If GOLD is written as DLOG, how is PEN written in the same code? (a) NEP (b) MDO (c) QFO (d) OFQ
- 15.If LAMP is written as OZNK, how is BOOK written in the same code? (a) CPPL (b) ZMMQ (c) YLLP (d) XKKO
- 16.If PEN is written as NEP, how is LION written in the same code? (a) NOIL (b) MJPO (c) OPJM (d) MNHK
- 17.If LAMP is written as ROCN, how is PARK written in the same code? (a) KRAP (b) MTCR (c) RCTM (d) IPYN
- 18.If RAIN is written as NIAR, how is WIND written in the same code? (a) EOJX (b) DNIW (c) XJOE (d) CMHV
- 19.If BOOK is written as MQQD, how is BALL written in the same code? (a) LLAB (b) DCNN (c) JJYZ (d) NNCD
- 20.If WIND is written as FPKY, how is BOAT written in the same code? (a) RYMZ (b) VCQD (c) DQCV (d) TAOB
- 21.If COLD is written as BNKC, how is SUN written in the same code? (a) RTM (b) TVO (c) SUN (d) QSL
- 22.If SHIP is written as RKJU, how is FROG written in the same code? (a) GORF (b) HTQI (c) IQTH (d) EMPD
- 23.If TOYS is written as RMWQ, how is GOLD written in the same code? (a) EMJB (b) FNKC (c) DLIA (d) IQNF
- 24.If FISH is written as ITJG, how is TOYS written in the same code? (a) UPZT (b) SYOT (c) RXNS (d) TZPU
- 25.If DRUM is written as ESVN, how is LAMP written in the same code? (a) KZLO (b) NCOR (c) QNBM (d) MBNQ
- 26.If MILK is written as NJML, how is WIND written in the same code? (a) YKPF (b) XJOE (c) EOJX (d) VHMC
- 27.If WIND is written as DNIW, how is COLD written in the same code? (a) EMPD (b) DPME (c) DLOC (d) CKNB
- 28.If HAND is written as SZMW, how is FROG written in the same code? (a) VJMU (b) UILT (c) THKS (d) GSPH
- 29.If MILK is written as KLIM, how is BOAT written in the same code? (a) TAOB (b) SZNA (c) CPBU (d) UBPC
- 30.If CAKE is written as XZPV, how is WIND written in the same code? (a) ESNX (b) CQLV (c) DRMW (d) XJOE
- 31.If STAR is written as QZSR, how is SUN written in the same code? (a) MTR (b) OVT (c) NUS (d) RTM
- 32.If FISH is written as GJTI, how is DESK written in the same code? (a) EFTL (b) CDRJ (c) LTFE (d) FGUM
- 33.If COLD is written as FNQE, how is PARK written in the same code? (a) RCTM (b) MTCR (c) IPYN (d) KRAP
- 34.If LAMP is written as QNBM, how is TOYS written in the same code? (a) RXNS (b) UPZT (c) TZPU (d) SYOT
- 35.If DOG is written as GRJ, how is FISH written in the same code? (a) ILVK (b) JMWL (c) HKUJ (d) CFPE
- 36.If FROG is written as DPME, how is STAR written in the same code? (a) PQXO (b) QRYP (c) RSZQ (d) UVCT
- 37.If HAND is written as SZMW, how is STAR written in the same code? (a) IHAJ (b) TUBS (c) GFYH (d) HGZI
- 38.If NEST is written as VUGP, how is WIND written in the same code? (a) FPKY (b) BLGU (c) DNIW (d) YKPF
- 39.If KITE is written as FUJL, how is STAR written in the same code? (a) RATS (b) SBUT (c) TUBS (d) QZSR
- 40.If FROG is written as EQNF, how is NEST written in the same code? (a) NEST (b) MDRS (c) OFTU (d) LCQR
Answer key
- ECV
- USFF
- MTCR
- KZLO
- LSBQ
- NROP
- UWP
- NROP
- ETIK
- PMUJ
- QJIT
- GORF
- NEP
- NEP
- YLLP
- NOIL
- MTCR
- DNIW
- NNCD
- VCQD
- RTM
- IQTH
- EMJB
- TZPU
- MBNQ
- XJOE
- DLOC
- UILT
- TAOB
- DRMW
- MTR
- EFTL
- MTCR
- TZPU
- ILVK
- QRYP
- HGZI
- FPKY
- SBUT
- MDRS
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