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 DRUM is written as NVSE, how is BALL written in the same code? (a) LLAB (b) MMBC (c) CBMM (d) KKZA
- 2.If TOYS is written as SYOT, how is PARK written in the same code? (a) KRAP (b) JQZO (c) QBSL (d) LSBQ
- 3.If STAR is written as HGZI, how is COLD written in the same code? (a) DPME (b) YMPX (c) WKNV (d) XLOW
- 4.If SUN is written as TVO, how is GOLD written in the same code? (a) FNKC (b) IQNF (c) HPME (d) EMPH
- 5.If JUMP is written as QFNK, how is FROG written in the same code? (a) GSPH (b) VJMU (c) UILT (d) THKS
- 6.If CAT is written as TAC, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) FUJL (d) LJUF
- 7.If MILK is written as NROP, how is PARK written in the same code? (a) QBSL (b) LAJQ (c) KZIP (d) JYHO
- 8.If TOYS is written as GLBH, how is LION written in the same code? (a) MJPO (b) PSMN (c) ORLM (d) NQKL
- 9.If PARK is written as KZIP, how is FISH written in the same code? (a) GJTI (b) URHS (c) TQGR (d) VSIT
- 10.If RAIN is written as PKCT, how is MILK written in the same code? (a) IJGK (b) MNKO (c) OKNM (d) KLIM
- 11.If KITE is written as PRGV, how is DRUM written in the same code? (a) VHEM (b) ESVN (c) XJGO (d) WIFN
- 12.If BALL is written as YZOO, how is LAMP written in the same code? (a) NYMJ (b) MBNQ (c) PAOL (d) OZNK
- 13.If KITE is written as ETIK, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) PMUJ (d) QNVK
- 14.If BOOK is written as JNNA, how is PEN written in the same code? (a) ODM (b) OFQ (c) MDO (d) NEP
- 15.If SUN is written as UWP, how is MOON written in the same code? (a) PRRQ (b) KMML (c) NPPO (d) OQQP
- 16.If DOG is written as FNC, how is PARK written in the same code? (a) JQZO (b) KRAP (c) LSBQ (d) OZQJ
- 17.If PEN is written as SHQ, how is TREE written in the same code? (a) QOBB (b) WUHH (c) XVII (d) VTGG
- 18.If LION is written as ORLM, how is LAMP written in the same code? (a) OZNK (b) NYMJ (c) PAOL (d) MBNQ
- 19.If PEN is written as KVM, how is FISH written in the same code? (a) GJTI (b) VSIT (c) URHS (d) TQGR
- 20.If GOLD is written as IQNF, how is FISH written in the same code? (a) ILVK (b) GJTI (c) DGQF (d) HKUJ
- 21.If STAR is written as SBUT, how is DRUM written in the same code? (a) MURD (b) ESVN (c) LTQC (d) NVSE
- 22.If DOG is written as HPE, how is MOON written in the same code? (a) NOOM (b) OPPN (c) NPPO (d) MNNL
- 23.If LION is written as NOIL, how is HAND written in the same code? (a) CMZG (b) IBOE (c) EOBI (d) DNAH
- 24.If HAND is written as DNAH, how is SUN written in the same code? (a) MTR (b) OVT (c) TVO (d) NUS
- 25.If DOG is written as GOD, how is JUMP written in the same code? (a) KVNQ (b) QNVK (c) OLTI (d) PMUJ
- 26.If STAR is written as RATS, how is TREE written in the same code? (a) USFF (b) FFSU (c) DDQS (d) EERT
- 27.If SUN is written as HFM, how is FISH written in the same code? (a) VSIT (b) GJTI (c) URHS (d) TQGR
- 28.If DESK is written as EFTL, how is FROG written in the same code? (a) HTQI (b) GSPH (c) EQNF (d) HPSG
- 29.If LION is written as OPJM, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) CPPL (d) KOOB
- 30.If COLD is written as XLOW, how is TREE written in the same code? (a) GIVV (b) USFF (c) FHUU (d) HJWW
- 31.If FROG is written as UILT, how is PARK written in the same code? (a) QBSL (b) LAJQ (c) KZIP (d) JYHO
- 32.If MOON is written as MNNL, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) PIHS (d) RGHO
- 33.If DRUM is written as FTWO, how is WIND written in the same code? (a) UGLB (b) YKPF (c) XJOE (d) ZLQG
- 34.If MOON is written as MNNL, how is DESK written in the same code? (a) KSED (b) JRDC (c) CDRJ (d) LTFE
- 35.If NEST is written as MVHG, how is HAND written in the same code? (a) RYLV (b) SZMW (c) IBOE (d) TANX
- 36.If PARK is written as KRAP, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) ETIK (d) FUJL
- 37.If BOOK is written as KOOB, how is NEST written in the same code? (a) OFTU (b) TSEN (c) SRDM (d) UTFO
- 38.If MILK is written as KGJI, how is TREE written in the same code? (a) QOBB (b) SQDD (c) VTGG (d) RPCC
- 39.If WIND is written as CMHV, how is COLD written in the same code? (a) BNKC (b) DLOC (c) EMPD (d) CKNB
- 40.If PARK is written as OZQJ, how is FISH written in the same code? (a) FISH (b) DGQF (c) GJTI (d) EHRG
Answer key
- MMBC
- KRAP
- XLOW
- HPME
- UILT
- ETIK
- KZIP
- ORLM
- URHS
- MNKO
- WIFN
- OZNK
- PMUJ
- MDO
- OQQP
- JQZO
- WUHH
- OZNK
- URHS
- HKUJ
- NVSE
- OPPN
- DNAH
- NUS
- PMUJ
- EERT
- URHS
- GSPH
- LPPC
- GIVV
- KZIP
- OHGR
- YKPF
- JRDC
- SZMW
- ETIK
- TSEN
- RPCC
- CKNB
- EHRG
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