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 PARK is written as KZIP, how is WIND written in the same code? (a) DRMW (b) CQLV (c) XJOE (d) ESNX
- 2.If WIND is written as DRMW, how is DRUM written in the same code? (a) ESVN (b) VHEM (c) XJGO (d) WIFN
- 3.If JUMP is written as ITLO, how is BOAT written in the same code? (a) BOAT (b) ZMYR (c) ANZS (d) CPBU
- 4.If LAMP is written as KZLO, how is PEN written in the same code? (a) NCL (b) QFO (c) ODM (d) PEN
- 5.If LAMP is written as PMAL, how is PEN written in the same code? (a) NEP (b) QFO (c) MDO (d) OFQ
- 6.If NEST is written as MVHG, how is RAIN written in the same code? (a) IZRM (b) SBJO (c) JASN (d) HYQL
- 7.If NEST is written as TSEN, how is CAKE written in the same code? (a) DBLF (b) EKAC (c) DJZB (d) FLBD
- 8.If TREE is written as VTGG, how is MOON written in the same code? (a) OQQP (b) NPPO (c) KMML (d) PRRQ
- 9.If FISH is written as HSIF, how is BELL written in the same code? (a) KKDA (b) CFMM (c) LLEB (d) MMFC
- 10.If KITE is written as ETIK, how is SUN written in the same code? (a) MTR (b) OVT (c) TVO (d) NUS
- 11.If PARK is written as JQZO, how is DESK written in the same code? (a) LTFE (b) CDRJ (c) JRDC (d) KSED
- 12.If SUN is written as QSL, how is STAR written in the same code? (a) RSZQ (b) QRYP (c) PQXO (d) UVCT
- 13.If TREE is written as RPCC, how is SUN written in the same code? (a) PRK (b) QSL (c) UWP (d) RTM
- 14.If KITE is written as ETIK, how is TOYS written in the same code? (a) UPZT (b) SYOT (c) TZPU (d) RXNS
- 15.If CAKE is written as DBLF, how is MOON written in the same code? (a) OQQP (b) LNNM (c) OPPN (d) NPPO
- 16.If LION is written as MNHK, how is TREE written in the same code? (a) EERT (b) DDQS (c) FFSU (d) SQDD
- 17.If FISH is written as GJTI, how is BOAT written in the same code? (a) CPBU (b) ANZS (c) DQCV (d) UBPC
- 18.If DESK is written as WVHP, how is DOG written in the same code? (a) XMU (b) WLT (c) VKS (d) EPH
- 19.If SHIP is written as QJIT, how is FROG written in the same code? (a) GSPH (b) FNQE (c) GORF (d) HPSG
- 20.If BOAT is written as ZMYR, how is JUMP written in the same code? (a) LWOR (b) HSKN (c) GRJM (d) ITLO
- 21.If SUN is written as OVT, how is PARK written in the same code? (a) JQZO (b) LSBQ (c) QBSL (d) KRAP
- 22.If LION is written as MNHK, how is RAIN written in the same code? (a) NIAR (b) OJBS (c) MHZQ (d) QZHM
- 23.If DESK is written as KSED, how is TREE written in the same code? (a) DDQS (b) USFF (c) FFSU (d) EERT
- 24.If STAR is written as QZSR, how is PARK written in the same code? (a) JQZO (b) OZQJ (c) LSBQ (d) KRAP
- 25.If SHIP is written as HSRK, how is WIND written in the same code? (a) XJOE (b) CQLV (c) DRMW (d) ESNX
- 26.If TOYS is written as SYOT, how is MOON written in the same code? (a) OPPN (b) NOOM (c) MNNL (d) NPPO
- 27.If PEN is written as MDO, how is SUN written in the same code? (a) NUS (b) OVT (c) RTM (d) MTR
- 28.If SUN is written as PWU, how is CAT written in the same code? (a) ECV (b) RYA (c) TAC (d) VCE
- 29.If TREE is written as USFF, how is LAMP written in the same code? (a) QNBM (b) NCOR (c) KZLO (d) MBNQ
- 30.If FROG is written as UILT, how is BOAT written in the same code? (a) XKYF (b) CPBU (c) ZMAH (d) YLZG
- 31.If RAIN is written as PKCT, how is MOON written in the same code? (a) PQQO (b) NOOM (c) OQQP (d) LMMK
- 32.If PARK is written as RCTM, how is BOOK written in the same code? (a) ERRN (b) CPPL (c) DQQM (d) ZMMI
- 33.If HAND is written as SZMW, how is BOOK written in the same code? (a) YLLP (b) CPPL (c) XKKO (d) ZMMQ
- 34.If BOOK is written as MQQD, how is JUMP written in the same code? (a) PMUJ (b) ROWL (c) NKSH (d) LWOR
- 35.If BALL is written as LLAB, how is FISH written in the same code? (a) GJTI (b) ITJG (c) GRHE (d) HSIF
- 36.If SUN is written as OVT, how is LION written in the same code? (a) OPJM (b) NOIL (c) MNHK (d) MJPO
- 37.If HAND is written as EOBI, how is BALL written in the same code? (a) LLAB (b) KKZA (c) MMBC (d) CBMM
- 38.If DESK is written as JRDC, how is COLD written in the same code? (a) DLOC (b) EMPD (c) CKNB (d) BNKC
- 39.If BOOK is written as LPPC, how is KITE written in the same code? (a) ETIK (b) FUJL (c) DSHJ (d) LJUF
- 40.If DOG is written as WLT, how is BOOK written in the same code? (a) ZMMQ (b) XKKO (c) CPPL (d) YLLP
Answer key
- DRMW
- WIFN
- ANZS
- ODM
- NEP
- IZRM
- EKAC
- OQQP
- LLEB
- NUS
- JRDC
- QRYP
- QSL
- SYOT
- NPPO
- DDQS
- CPBU
- WLT
- HPSG
- HSKN
- LSBQ
- MHZQ
- EERT
- JQZO
- DRMW
- NOOM
- MTR
- VCE
- MBNQ
- YLZG
- PQQO
- DQQM
- YLLP
- ROWL
- HSIF
- OPJM
- MMBC
- CKNB
- FUJL
- YLLP
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