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 STAR is written as HGZI, how is SHIP written in the same code? (a) ITSL (b) GRQJ (c) TIJQ (d) HSRK
- 2.If JUMP is written as QNVK, how is PARK written in the same code? (a) KRAP (b) JQZO (c) LSBQ (d) QBSL
- 3.If FROG is written as HPSG, how is TOYS written in the same code? (a) TZPU (b) RXNS (c) SYOT (d) UPZT
- 4.If BOOK is written as YLLP, how is BELL written in the same code? (a) XUNN (b) ZWPP (c) YVOO (d) CFMM
- 5.If WIND is written as YKPF, how is COLD written in the same code? (a) EQNF (b) AMJB (c) FROG (d) DPME
- 6.If PARK is written as JQZO, how is JUMP written in the same code? (a) QNVK (b) PMUJ (c) OLTI (d) ITLO
- 7.If DOG is written as GOD, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) TIJQ (d) PIHS
- 8.If DRUM is written as MURD, how is BALL written in the same code? (a) CBMM (b) LLAB (c) KKZA (d) MMBC
- 9.If DESK is written as CDRJ, how is STAR written in the same code? (a) QRYP (b) STAR (c) TUBS (d) RSZQ
- 10.If MOON is written as NPPO, how is NEST written in the same code? (a) OFTU (b) UTFO (c) PGUV (d) MDRS
- 11.If SUN is written as UWP, how is DRUM written in the same code? (a) GUXP (b) ESVN (c) FTWO (d) BPSK
- 12.If BOAT is written as ERDW, how is FISH written in the same code? (a) JMWL (b) CFPE (c) HKUJ (d) ILVK
- 13.If STAR is written as RSZQ, how is PARK written in the same code? (a) PARK (b) NYPI (c) QBSL (d) OZQJ
- 14.If SHIP is written as OHGR, how is MOON written in the same code? (a) NOOM (b) OPPN (c) MNNL (d) LNNM
- 15.If STAR is written as RSZQ, how is CAT written in the same code? (a) DBU (b) BZS (c) AYR (d) CAT
- 16.If DESK is written as KSED, how is SHIP written in the same code? (a) TIJQ (b) QJIT (c) OHGR (d) PIHS
- 17.If TREE is written as FFSU, how is MILK written in the same code? (a) KLIM (b) NJML (c) LMJN (d) JKHL
- 18.If BOAT is written as CPBU, how is LAMP written in the same code? (a) NCOR (b) MBNQ (c) KZLO (d) QNBM
- 19.If BALL is written as YZOO, how is TOYS written in the same code? (a) HMCI (b) UPZT (c) FKAG (d) GLBH
- 20.If HAND is written as SZMW, how is KITE written in the same code? (a) LJUF (b) QSHW (c) PRGV (d) OQFU
- 21.If SUN is written as NUS, how is LION written in the same code? (a) MNHK (b) MJPO (c) NOIL (d) OPJM
- 22.If SHIP is written as PIHS, how is TREE written in the same code? (a) EERT (b) USFF (c) DDQS (d) FFSU
- 23.If STAR is written as QRYP, how is BOAT written in the same code? (a) ANZS (b) DQCV (c) ZMYR (d) YLXQ
- 24.If JUMP is written as PMUJ, how is PEN written in the same code? (a) MDO (b) NEP (c) OFQ (d) QFO
- 25.If BELL is written as LLEB, how is KITE written in the same code? (a) ETIK (b) FUJL (c) LJUF (d) DSHJ
- 26.If FISH is written as HSIF, how is MILK written in the same code? (a) NJML (b) JKHL (c) LMJN (d) KLIM
- 27.If MOON is written as OPPN, how is DOG written in the same code? (a) EPH (b) HPE (c) FNC (d) GOD
- 28.If DRUM is written as CQTL, how is SHIP written in the same code? (a) RGHO (b) TIJQ (c) SHIP (d) QFGN
- 29.If PEN is written as QFO, how is PARK written in the same code? (a) OZQJ (b) RCTM (c) LSBQ (d) QBSL
- 30.If NEST is written as OFTU, how is LION written in the same code? (a) KHNM (b) NKQP (c) OPJM (d) MJPO
- 31.If NEST is written as MVHG, how is HAND written in the same code? (a) SZMW (b) RYLV (c) IBOE (d) TANX
- 32.If PEN is written as SHQ, how is RAIN written in the same code? (a) UDLQ (b) VEMR (c) OXFK (d) TCKP
- 33.If LION is written as MJPO, how is BOOK written in the same code? (a) DQQM (b) CPPL (c) LPPC (d) ANNJ
- 34.If FROG is written as HTQI, how is FISH written in the same code? (a) GJTI (b) HKUJ (c) DGQF (d) ILVK
- 35.If HAND is written as DNAH, how is MOON written in the same code? (a) NPPO (b) MNNL (c) OPPN (d) NOOM
- 36.If DOG is written as IQF, how is TREE written in the same code? (a) EERT (b) CCPR (c) VTGG (d) GGTV
- 37.If PARK is written as KZIP, how is HAND written in the same code? (a) RYLV (b) SZMW (c) TANX (d) IBOE
- 38.If KITE is written as IGRC, how is RAIN written in the same code? (a) OXFK (b) TCKP (c) PYGL (d) QZHM
- 39.If LION is written as MJPO, how is DRUM written in the same code? (a) NVSE (b) CQTL (c) FTWO (d) ESVN
- 40.If TOYS is written as GLBH, how is CAT written in the same code? (a) YAH (b) WYF (c) DBU (d) XZG
Answer key
- HSRK
- LSBQ
- TZPU
- YVOO
- EQNF
- OLTI
- PIHS
- LLAB
- RSZQ
- OFTU
- FTWO
- ILVK
- OZQJ
- MNNL
- BZS
- PIHS
- LMJN
- MBNQ
- GLBH
- PRGV
- NOIL
- EERT
- ZMYR
- NEP
- ETIK
- KLIM
- HPE
- RGHO
- QBSL
- MJPO
- SZMW
- UDLQ
- CPPL
- HKUJ
- NOOM
- GGTV
- SZMW
- PYGL
- ESVN
- XZG
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