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 KITE is written as ETIK, how is MILK written in the same code? (a) KLIM (b) NJML (c) JKHL (d) LMJN
- 2.If DOG is written as HPE, how is BALL written in the same code? (a) KKZA (b) CBMM (c) MMBC (d) LLAB
- 3.If KITE is written as GVKM, how is WIND written in the same code? (a) BLGU (b) FPKY (c) YKPF (d) DNIW
- 4.If DESK is written as FGUM, how is BOAT written in the same code? (a) DQCV (b) ZMYR (c) CPBU (d) ERDW
- 5.If FISH is written as URHS, how is NEST written in the same code? (a) NWIH (b) LUGF (c) OFTU (d) MVHG
- 6.If MILK is written as JKHL, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) DLOG (d) FNKC
- 7.If DRUM is written as FTWO, how is BALL written in the same code? (a) CBMM (b) DCNN (c) EDOO (d) ZYJJ
- 8.If GOLD is written as IQNF, how is DOG written in the same code? (a) GRJ (b) BME (c) EPH (d) FQI
- 9.If PEN is written as MDO, how is MILK written in the same code? (a) LMJN (b) KLIM (c) JKHL (d) LHKJ
- 10.If LAMP is written as PMAL, how is JUMP written in the same code? (a) KVNQ (b) QNVK (c) OLTI (d) PMUJ
- 11.If STAR is written as HGZI, how is BALL written in the same code? (a) YZOO (b) CBMM (c) XYNN (d) ZAPP
- 12.If DESK is written as WVHP, how is FISH written in the same code? (a) GJTI (b) URHS (c) TQGR (d) VSIT
- 13.If NEST is written as MVHG, how is SHIP written in the same code? (a) HSRK (b) ITSL (c) TIJQ (d) GRQJ
- 14.If SUN is written as OVT, how is TOYS written in the same code? (a) TZPU (b) SYOT (c) RXNS (d) UPZT
- 15.If STAR is written as TCVU, how is MILK written in the same code? (a) IJGK (b) MNKO (c) KLIM (d) OKNM
- 16.If SUN is written as NUS, how is DESK written in the same code? (a) KSED (b) JRDC (c) LTFE (d) EFTL
- 17.If STAR is written as VWDU, how is MOON written in the same code? (a) QSSR (b) JLLK (c) OQQP (d) PRRQ
- 18.If LAMP is written as KZLO, how is BOAT written in the same code? (a) ZMYR (b) CPBU (c) BOAT (d) ANZS
- 19.If GOLD is written as DLOG, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) CPPL (d) JNNA
- 20.If FISH is written as GRHE, how is DOG written in the same code? (a) HPE (b) FNC (c) GOD (d) CNF
- 21.If WIND is written as DNIW, how is TREE written in the same code? (a) USFF (b) EERT (c) FFSU (d) DDQS
- 22.If NEST is written as TSEN, how is SHIP written in the same code? (a) PIHS (b) QJIT (c) TIJQ (d) OHGR
- 23.If CAT is written as ECV, how is MOON written in the same code? (a) KMML (b) PRRQ (c) NPPO (d) OQQP
- 24.If MILK is written as KLIM, how is DESK written in the same code? (a) LTFE (b) JRDC (c) EFTL (d) KSED
- 25.If TREE is written as SQDD, how is FISH written in the same code? (a) GJTI (b) DGQF (c) EHRG (d) FISH
- 26.If BOOK is written as KOOB, how is PEN written in the same code? (a) MDO (b) OFQ (c) QFO (d) NEP
- 27.If BALL is written as KKZA, how is PEN written in the same code? (a) ODM (b) NEP (c) OFQ (d) MDO
- 28.If COLD is written as DLOC, how is WIND written in the same code? (a) EOJX (b) CMHV (c) DNIW (d) XJOE
- 29.If DRUM is written as CQTL, how is FROG written in the same code? (a) EQNF (b) DPME (c) FROG (d) GSPH
- 30.If RAIN is written as MHZQ, how is DOG written in the same code? (a) CNF (b) FNC (c) HPE (d) GOD
- 31.If FISH is written as URHS, how is PARK written in the same code? (a) KZIP (b) JYHO (c) LAJQ (d) QBSL
- 32.If DESK is written as WVHP, how is NEST written in the same code? (a) LUGF (b) OFTU (c) NWIH (d) MVHG
- 33.If LAMP is written as NCOR, how is BELL written in the same code? (a) CFMM (b) EHOO (c) DGNN (d) ZCJJ
- 34.If DOG is written as WLT, how is LAMP written in the same code? (a) PAOL (b) MBNQ (c) NYMJ (d) OZNK
- 35.If LION is written as NOIL, how is JUMP written in the same code? (a) PMUJ (b) KVNQ (c) QNVK (d) OLTI
- 36.If CAKE is written as XZPV, how is STAR written in the same code? (a) HGZI (b) GFYH (c) IHAJ (d) TUBS
- 37.If SHIP is written as HSRK, how is FROG written in the same code? (a) THKS (b) UILT (c) VJMU (d) GSPH
- 38.If KITE is written as NLWH, how is TOYS written in the same code? (a) XSCW (b) VQAU (c) QLVP (d) WRBV
- 39.If DOG is written as FQI, how is BELL written in the same code? (a) ZCJJ (b) EHOO (c) CFMM (d) DGNN
- 40.If CAKE is written as FLBD, how is SUN written in the same code? (a) NUS (b) TVO (c) OVT (d) MTR
Answer key
- KLIM
- MMBC
- FPKY
- DQCV
- MVHG
- CKNF
- DCNN
- FQI
- JKHL
- PMUJ
- YZOO
- URHS
- HSRK
- TZPU
- MNKO
- KSED
- PRRQ
- ANZS
- KOOB
- FNC
- EERT
- PIHS
- OQQP
- KSED
- EHRG
- NEP
- MDO
- DNIW
- EQNF
- FNC
- KZIP
- MVHG
- DGNN
- OZNK
- PMUJ
- HGZI
- UILT
- WRBV
- DGNN
- OVT
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