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 HSRK, how is KITE written in the same code? (a) PRGV (b) QSHW (c) OQFU (d) LJUF
- 2.If CAKE is written as XZPV, how is GOLD written in the same code? (a) SKNV (b) UMPX (c) HPME (d) TLOW
- 3.If NEST is written as PGUV, how is BALL written in the same code? (a) EDOO (b) ZYJJ (c) CBMM (d) DCNN
- 4.If MILK is written as NJML, how is JUMP written in the same code? (a) LWOR (b) QNVK (c) KVNQ (d) ITLO
- 5.If KITE is written as NLWH, how is RAIN written in the same code? (a) VEMR (b) UDLQ (c) OXFK (d) TCKP
- 6.If WIND is written as CMHV, how is FISH written in the same code? (a) ITJG (b) GRHE (c) HSIF (d) EHRG
- 7.If CAKE is written as GMCE, how is LAMP written in the same code? (a) NCOR (b) PMAL (c) NKYJ (d) ROCN
- 8.If FROG is written as DPME, how is BOAT written in the same code? (a) YLXQ (b) ZMYR (c) DQCV (d) ANZS
- 9.If RAIN is written as SBJO, how is LAMP written in the same code? (a) NCOR (b) KZLO (c) MBNQ (d) QNBM
- 10.If FROG is written as HPSG, how is DOG written in the same code? (a) EPH (b) GOD (c) HPE (d) FNC
- 11.If FISH is written as HSIF, how is DESK written in the same code? (a) JRDC (b) EFTL (c) KSED (d) LTFE
- 12.If DOG is written as FQI, how is FISH written in the same code? (a) ILVK (b) DGQF (c) HKUJ (d) GJTI
- 13.If GOLD is written as TLOW, how is BOOK written in the same code? (a) ZMMQ (b) XKKO (c) CPPL (d) YLLP
- 14.If DOG is written as WLT, how is BALL written in the same code? (a) CBMM (b) ZAPP (c) YZOO (d) XYNN
- 15.If COLD is written as EMPD, how is WIND written in the same code? (a) EOJX (b) CMHV (c) DNIW (d) XJOE
- 16.If CAKE is written as AYIC, how is SUN written in the same code? (a) PRK (b) RTM (c) UWP (d) QSL
- 17.If TOYS is written as GLBH, how is DESK written in the same code? (a) VUGO (b) XWIQ (c) EFTL (d) WVHP
- 18.If TOYS is written as SYOT, how is BOAT written in the same code? (a) TAOB (b) SZNA (c) CPBU (d) UBPC
- 19.If LAMP is written as KZLO, how is COLD written in the same code? (a) COLD (b) BNKC (c) DPME (d) AMJB
- 20.If SUN is written as NUS, how is FROG written in the same code? (a) GSPH (b) HPSG (c) GORF (d) FNQE
- 21.If MOON is written as NLLM, how is FISH written in the same code? (a) VSIT (b) GJTI (c) TQGR (d) URHS
- 22.If SHIP is written as RKJU, how is FISH written in the same code? (a) HSIF (b) JUKH (c) FQGD (d) HKUJ
- 23.If PEN is written as ODM, how is RAIN written in the same code? (a) QZHM (b) PYGL (c) RAIN (d) SBJO
- 24.If FISH is written as JUKH, how is RAIN written in the same code? (a) PKCT (b) NIAR (c) TCKP (d) LGYP
- 25.If PEN is written as NEP, how is TOYS written in the same code? (a) UPZT (b) SYOT (c) TZPU (d) RXNS
- 26.If STAR is written as TUBS, how is BOOK written in the same code? (a) DQQM (b) LPPC (c) CPPL (d) ANNJ
- 27.If COLD is written as CKNB, how is HAND written in the same code? (a) EOBI (b) CMZG (c) GZMC (d) DNAH
- 28.If LAMP is written as OZNK, how is HAND written in the same code? (a) IBOE (b) RYLV (c) SZMW (d) TANX
- 29.If KITE is written as PRGV, how is RAIN written in the same code? (a) IZRM (b) HYQL (c) SBJO (d) JASN
- 30.If BOOK is written as KOOB, how is BALL written in the same code? (a) MMBC (b) KKZA (c) CBMM (d) LLAB
- 31.If LAMP is written as PMAL, how is PEN written in the same code? (a) OFQ (b) QFO (c) NEP (d) MDO
- 32.If GOLD is written as HPME, how is MOON written in the same code? (a) OQQP (b) NPPO (c) LNNM (d) OPPN
- 33.If MOON is written as NLLM, how is MILK written in the same code? (a) NJML (b) MQNO (c) OSPQ (d) NROP
- 34.If DOG is written as FNC, how is DESK written in the same code? (a) JRDC (b) KSED (c) CDRJ (d) LTFE
- 35.If MOON is written as OPPN, how is FROG written in the same code? (a) GORF (b) FNQE (c) HPSG (d) GSPH
- 36.If BELL is written as NNGD, how is LAMP written in the same code? (a) NCOR (b) PMAL (c) NKYJ (d) ROCN
- 37.If KITE is written as IGRC, how is CAKE written in the same code? (a) BZJD (b) ECMG (c) AYIC (d) ZXHB
- 38.If DESK is written as KSED, how is LION written in the same code? (a) MNHK (b) MJPO (c) OPJM (d) NOIL
- 39.If LAMP is written as NCOR, how is COLD written in the same code? (a) FROG (b) AMJB (c) EQNF (d) DPME
- 40.If DRUM is written as WIFN, how is PARK written in the same code? (a) QBSL (b) KZIP (c) JYHO (d) LAJQ
Answer key
- PRGV
- TLOW
- DCNN
- KVNQ
- UDLQ
- GRHE
- ROCN
- ZMYR
- MBNQ
- HPE
- KSED
- HKUJ
- YLLP
- YZOO
- EOJX
- QSL
- WVHP
- TAOB
- BNKC
- GORF
- URHS
- JUKH
- QZHM
- PKCT
- SYOT
- CPPL
- CMZG
- SZMW
- IZRM
- LLAB
- NEP
- NPPO
- NROP
- JRDC
- HPSG
- ROCN
- AYIC
- NOIL
- EQNF
- KZIP
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