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 KRAP, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) PMUJ (d) KVNQ
- 2.If TOYS is written as VQAU, how is COLD written in the same code? (a) AMJB (b) EQNF (c) FROG (d) DPME
- 3.If SHIP is written as PIHS, how is CAKE written in the same code? (a) EKAC (b) DBLF (c) DJZB (d) FLBD
- 4.If LAMP is written as MBNQ, how is WIND written in the same code? (a) XJOE (b) YKPF (c) VHMC (d) EOJX
- 5.If KITE is written as PRGV, how is GOLD written in the same code? (a) HPME (b) SKNV (c) TLOW (d) UMPX
- 6.If DOG is written as HPE, how is BELL written in the same code? (a) CFMM (b) LLEB (c) KKDA (d) MMFC
- 7.If BOAT is written as DQCV, how is STAR written in the same code? (a) TUBS (b) QRYP (c) UVCT (d) VWDU
- 8.If WIND is written as DNIW, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) KOOB (d) LPPC
- 9.If GOLD is written as DLOG, how is PARK written in the same code? (a) JQZO (b) KRAP (c) QBSL (d) LSBQ
- 10.If PARK is written as RCTM, how is CAKE written in the same code? (a) AYIC (b) ECMG (c) DBLF (d) FDNH
- 11.If RAIN is written as NIAR, how is HAND written in the same code? (a) IBOE (b) EOBI (c) CMZG (d) DNAH
- 12.If BOOK is written as YLLP, how is MOON written in the same code? (a) MKKL (b) OMMN (c) NPPO (d) NLLM
- 13.If HAND is written as KDQG, how is NEST written in the same code? (a) RIWX (b) PGUV (c) KBPQ (d) QHVW
- 14.If MILK is written as KLIM, how is LION written in the same code? (a) OPJM (b) MNHK (c) MJPO (d) NOIL
- 15.If LION is written as NKQP, how is CAKE written in the same code? (a) DBLF (b) FDNH (c) ECMG (d) AYIC
- 16.If MILK is written as NROP, how is DOG written in the same code? (a) XMU (b) VKS (c) EPH (d) WLT
- 17.If WIND is written as CMHV, how is FROG written in the same code? (a) EQNF (b) HPSG (c) FNQE (d) GORF
- 18.If PARK is written as KRAP, how is DRUM written in the same code? (a) LTQC (b) MURD (c) NVSE (d) ESVN
- 19.If MILK is written as KLIM, how is BELL written in the same code? (a) LLEB (b) KKDA (c) MMFC (d) CFMM
- 20.If LION is written as NOIL, how is FISH written in the same code? (a) HSIF (b) GRHE (c) ITJG (d) GJTI
- 21.If LION is written as ORLM, how is PARK written in the same code? (a) JYHO (b) KZIP (c) QBSL (d) LAJQ
- 22.If DOG is written as GRJ, how is SHIP written in the same code? (a) VKLS (b) UJKR (c) WLMT (d) PEFM
- 23.If CAT is written as AYR, how is LION written in the same code? (a) IFLK (b) KHNM (c) NKQP (d) JGML
- 24.If CAT is written as TAC, how is LION written in the same code? (a) MNHK (b) NOIL (c) OPJM (d) MJPO
- 25.If BELL is written as YVOO, how is MILK written in the same code? (a) MQNO (b) NJML (c) NROP (d) OSPQ
- 26.If HAND is written as SZMW, how is PARK written in the same code? (a) JYHO (b) LAJQ (c) KZIP (d) QBSL
- 27.If PEN is written as OFQ, how is GOLD written in the same code? (a) DLOG (b) CKNF (c) EMPH (d) HPME
- 28.If LAMP is written as QNBM, how is DRUM written in the same code? (a) MURD (b) NVSE (c) ESVN (d) LTQC
- 29.If STAR is written as RATS, how is SUN written in the same code? (a) OVT (b) MTR (c) NUS (d) TVO
- 30.If BOAT is written as TAOB, how is JUMP written in the same code? (a) QNVK (b) PMUJ (c) OLTI (d) KVNQ
- 31.If RAIN is written as NIAR, how is FROG written in the same code? (a) GSPH (b) FNQE (c) HPSG (d) GORF
- 32.If DOG is written as EPH, how is BELL written in the same code? (a) MMFC (b) ADKK (c) DGNN (d) CFMM
- 33.If PEN is written as NEP, how is STAR written in the same code? (a) TUBS (b) QZSR (c) RATS (d) SBUT
- 34.If BOOK is written as KOOB, how is MILK written in the same code? (a) JKHL (b) NJML (c) KLIM (d) LMJN
- 35.If HAND is written as KDQG, how is TOYS written in the same code? (a) XSCW (b) VQAU (c) WRBV (d) QLVP
- 36.If HAND is written as EOBI, how is BOAT written in the same code? (a) UBPC (b) SZNA (c) TAOB (d) CPBU
- 37.If NEST is written as LCQR, how is HAND written in the same code? (a) FYLB (b) GZMC (c) JCPF (d) EXKA
- 38.If MOON is written as NOOM, how is PEN written in the same code? (a) QFO (b) OFQ (c) NEP (d) MDO
- 39.If SUN is written as HFM, how is NEST written in the same code? (a) NWIH (b) LUGF (c) MVHG (d) OFTU
- 40.If BELL is written as CFMM, how is NEST written in the same code? (a) UTFO (b) PGUV (c) MDRS (d) OFTU
Answer key
- PMUJ
- EQNF
- EKAC
- XJOE
- TLOW
- MMFC
- UVCT
- KOOB
- KRAP
- ECMG
- DNAH
- NLLM
- QHVW
- NOIL
- ECMG
- WLT
- FNQE
- MURD
- LLEB
- HSIF
- KZIP
- VKLS
- JGML
- NOIL
- NROP
- KZIP
- EMPH
- NVSE
- NUS
- PMUJ
- GORF
- CFMM
- RATS
- KLIM
- WRBV
- UBPC
- FYLB
- NEP
- MVHG
- OFTU
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