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 GOLD is written as FNQI, how is JUMP written in the same code? (a) NKSH (b) PMUJ (c) ROWL (d) LWOR
- 2.If DESK is written as KSED, how is LAMP written in the same code? (a) QNBM (b) MBNQ (c) OLZK (d) PMAL
- 3.If GOLD is written as IQNF, how is WIND written in the same code? (a) XJOE (b) YKPF (c) ZLQG (d) UGLB
- 4.If NEST is written as SRDM, how is FISH written in the same code? (a) ITJG (b) GRHE (c) EHRG (d) HSIF
- 5.If PEN is written as NEP, how is DESK written in the same code? (a) EFTL (b) KSED (c) JRDC (d) LTFE
- 6.If DOG is written as FNC, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) DLOG (d) FNKC
- 7.If BALL is written as LLAB, how is MOON written in the same code? (a) NPPO (b) OPPN (c) MNNL (d) NOOM
- 8.If FISH is written as URHS, how is PARK written in the same code? (a) JYHO (b) KZIP (c) QBSL (d) LAJQ
- 9.If WIND is written as VHMC, how is DRUM written in the same code? (a) ESVN (b) BPSK (c) CQTL (d) DRUM
- 10.If BELL is written as ADKK, how is TOYS written in the same code? (a) RMWQ (b) SNXR (c) TOYS (d) UPZT
- 11.If MILK is written as NROP, how is SUN written in the same code? (a) HFM (b) IGN (c) GEL (d) TVO
- 12.If PARK is written as KRAP, how is TREE written in the same code? (a) DDQS (b) USFF (c) FFSU (d) EERT
- 13.If SUN is written as OVT, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) JQZO (d) QBSL
- 14.If COLD is written as DPME, how is LION written in the same code? (a) KHNM (b) OPJM (c) MJPO (d) NKQP
- 15.If PEN is written as QFO, how is MILK written in the same code? (a) OKNM (b) LHKJ (c) LMJN (d) NJML
- 16.If LION is written as NOIL, how is SHIP written in the same code? (a) OHGR (b) TIJQ (c) QJIT (d) PIHS
- 17.If PARK is written as QBSL, how is COLD written in the same code? (a) EQNF (b) DPME (c) EMPD (d) BNKC
- 18.If LION is written as ORLM, how is NEST written in the same code? (a) LUGF (b) NWIH (c) OFTU (d) MVHG
- 19.If PEN is written as OFQ, how is RAIN written in the same code? (a) SBJO (b) MHZQ (c) NIAR (d) OJBS
- 20.If BALL is written as CBMM, how is TREE written in the same code? (a) FFSU (b) USFF (c) VTGG (d) SQDD
- 21.If PEN is written as MDO, how is MOON written in the same code? (a) LNNM (b) NOOM (c) OPPN (d) MNNL
- 22.If GOLD is written as CKNF, how is DRUM written in the same code? (a) NVSE (b) LTQC (c) MURD (d) CQTL
- 23.If LION is written as ORLM, how is DESK written in the same code? (a) XWIQ (b) EFTL (c) VUGO (d) WVHP
- 24.If JUMP is written as KVNQ, how is DRUM written in the same code? (a) NVSE (b) CQTL (c) FTWO (d) ESVN
- 25.If STAR is written as QZSR, how is PEN written in the same code? (a) ODM (b) MDO (c) OFQ (d) NEP
- 26.If NEST is written as VUGP, how is SUN written in the same code? (a) UWP (b) NUS (c) LSQ (d) PWU
- 27.If BOOK is written as YLLP, how is LAMP written in the same code? (a) NYMJ (b) PAOL (c) OZNK (d) MBNQ
- 28.If CAT is written as FDW, how is CAKE written in the same code? (a) GEOI (b) ECMG (c) ZXHB (d) FDNH
- 29.If CAT is written as XZG, how is MOON written in the same code? (a) MKKL (b) NPPO (c) OMMN (d) NLLM
- 30.If BOOK is written as ZMMI, how is COLD written in the same code? (a) AMJB (b) BNKC (c) EQNF (d) ZLIA
- 31.If PEN is written as NEP, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) PMUJ (d) QNVK
- 32.If KITE is written as PRGV, how is BOOK written in the same code? (a) CPPL (b) ZMMQ (c) XKKO (d) YLLP
- 33.If LAMP is written as JYKN, how is HAND written in the same code? (a) JCPF (b) GZMC (c) EXKA (d) FYLB
- 34.If SUN is written as PWU, how is BOOK written in the same code? (a) IMMZ (b) KOOB (c) DQQM (d) MQQD
- 35.If DRUM is written as LTQC, how is PEN written in the same code? (a) NEP (b) OFQ (c) MDO (d) ODM
- 36.If DOG is written as CNF, how is SUN written in the same code? (a) RTM (b) QSL (c) TVO (d) SUN
- 37.If FISH is written as URHS, how is MILK written in the same code? (a) OSPQ (b) NROP (c) NJML (d) MQNO
- 38.If MILK is written as NJML, how is DESK written in the same code? (a) LTFE (b) CDRJ (c) FGUM (d) EFTL
- 39.If WIND is written as EOJX, how is FISH written in the same code? (a) GJTI (b) GRHE (c) ITJG (d) HSIF
- 40.If FISH is written as EHRG, how is LAMP written in the same code? (a) JYKN (b) LAMP (c) KZLO (d) MBNQ
Answer key
- ROWL
- PMAL
- YKPF
- GRHE
- KSED
- CKNF
- NOOM
- KZIP
- CQTL
- SNXR
- HFM
- EERT
- LSBQ
- MJPO
- NJML
- PIHS
- DPME
- MVHG
- OJBS
- USFF
- MNNL
- LTQC
- WVHP
- ESVN
- MDO
- PWU
- OZNK
- FDNH
- NLLM
- AMJB
- PMUJ
- YLLP
- FYLB
- MQQD
- MDO
- RTM
- NROP
- EFTL
- ITJG
- KZLO
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