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 COLD is written as DLOC, how is BOAT written in the same code? (a) SZNA (b) UBPC (c) TAOB (d) CPBU
- 2.If SHIP is written as TIJQ, how is PARK written in the same code? (a) RCTM (b) QBSL (c) OZQJ (d) LSBQ
- 3.If CAT is written as XZG, how is JUMP written in the same code? (a) RGOL (b) PEMJ (c) QFNK (d) KVNQ
- 4.If FROG is written as EQNF, how is DOG written in the same code? (a) DOG (b) EPH (c) CNF (d) BME
- 5.If SUN is written as VXQ, how is CAT written in the same code? (a) ECV (b) GEX (c) ZXQ (d) FDW
- 6.If STAR is written as QZSR, how is DRUM written in the same code? (a) NVSE (b) LTQC (c) MURD (d) CQTL
- 7.If MILK is written as KLIM, how is TOYS written in the same code? (a) UPZT (b) TZPU (c) SYOT (d) RXNS
- 8.If GOLD is written as DLOG, how is BOOK written in the same code? (a) JNNA (b) KOOB (c) LPPC (d) CPPL
- 9.If WIND is written as FPKY, how is BOOK written in the same code? (a) IMMZ (b) KOOB (c) MQQD (d) DQQM
- 10.If TOYS is written as GLBH, how is SUN written in the same code? (a) GEL (b) IGN (c) HFM (d) TVO
- 11.If MILK is written as KLIM, how is COLD written in the same code? (a) EMPD (b) DPME (c) DLOC (d) CKNB
- 12.If LAMP is written as QNBM, how is SHIP written in the same code? (a) TIJQ (b) QJIT (c) PIHS (d) OHGR
- 13.If FISH is written as HSIF, how is STAR written in the same code? (a) SBUT (b) QZSR (c) TUBS (d) RATS
- 14.If GOLD is written as IQNF, how is LION written in the same code? (a) NKQP (b) MJPO (c) JGML (d) OLRQ
- 15.If LION is written as JGML, how is GOLD written in the same code? (a) DLIA (b) FNKC (c) IQNF (d) EMJB
- 16.If GOLD is written as FNKC, how is BALL written in the same code? (a) BALL (b) CBMM (c) ZYJJ (d) AZKK
- 17.If DESK is written as EFTL, how is MILK written in the same code? (a) LHKJ (b) NJML (c) OKNM (d) LMJN
- 18.If BOAT is written as YLZG, how is FISH written in the same code? (a) TQGR (b) GJTI (c) URHS (d) VSIT
- 19.If KITE is written as PRGV, how is RAIN written in the same code? (a) IZRM (b) JASN (c) SBJO (d) HYQL
- 20.If TREE is written as VTGG, how is CAT written in the same code? (a) AYR (b) FDW (c) DBU (d) ECV
- 21.If PARK is written as LSBQ, how is JUMP written in the same code? (a) KVNQ (b) PMUJ (c) OLTI (d) QNVK
- 22.If BOOK is written as LPPC, how is COLD written in the same code? (a) DPME (b) EMPD (c) CKNB (d) DLOC
- 23.If FISH is written as ITJG, how is LAMP written in the same code? (a) MBNQ (b) OLZK (c) PMAL (d) QNBM
- 24.If BALL is written as KKZA, how is CAT written in the same code? (a) BZS (b) SZB (c) UBD (d) TAC
- 25.If PARK is written as LSBQ, how is FROG written in the same code? (a) FNQE (b) HPSG (c) GSPH (d) GORF
- 26.If STAR is written as RATS, how is PEN written in the same code? (a) QFO (b) NEP (c) OFQ (d) MDO
- 27.If DOG is written as HPE, how is TREE written in the same code? (a) USFF (b) DDQS (c) FFSU (d) EERT
- 28.If DRUM is written as MURD, how is BALL written in the same code? (a) KKZA (b) MMBC (c) CBMM (d) LLAB
- 29.If TOYS is written as SYOT, how is LAMP written in the same code? (a) QNBM (b) PMAL (c) OLZK (d) MBNQ
- 30.If JUMP is written as PMUJ, how is DESK written in the same code? (a) LTFE (b) JRDC (c) EFTL (d) KSED
- 31.If BELL is written as YVOO, how is WIND written in the same code? (a) ESNX (b) DRMW (c) XJOE (d) CQLV
- 32.If WIND is written as FPKY, how is SUN written in the same code? (a) UWP (b) NUS (c) PWU (d) LSQ
- 33.If BOAT is written as YLZG, how is PARK written in the same code? (a) QBSL (b) LAJQ (c) KZIP (d) JYHO
- 34.If TREE is written as EERT, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) UPZT (d) SYOT
- 35.If LAMP is written as QNBM, how is TREE written in the same code? (a) DDQS (b) FFSU (c) EERT (d) USFF
- 36.If BOAT is written as TAOB, how is TREE written in the same code? (a) FFSU (b) USFF (c) EERT (d) DDQS
- 37.If STAR is written as HGZI, how is WIND written in the same code? (a) XJOE (b) DRMW (c) CQLV (d) ESNX
- 38.If FROG is written as GSPH, how is LAMP written in the same code? (a) KZLO (b) QNBM (c) MBNQ (d) NCOR
- 39.If HAND is written as DNAH, how is BOAT written in the same code? (a) TAOB (b) SZNA (c) UBPC (d) CPBU
- 40.If PARK is written as LSBQ, how is SUN written in the same code? (a) OVT (b) NUS (c) TVO (d) MTR
Answer key
- TAOB
- QBSL
- QFNK
- CNF
- FDW
- LTQC
- SYOT
- KOOB
- MQQD
- HFM
- DLOC
- QJIT
- RATS
- NKQP
- EMJB
- AZKK
- NJML
- URHS
- IZRM
- ECV
- QNVK
- EMPD
- QNBM
- SZB
- HPSG
- NEP
- FFSU
- LLAB
- PMAL
- KSED
- DRMW
- PWU
- KZIP
- SYOT
- FFSU
- EERT
- DRMW
- MBNQ
- TAOB
- OVT
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