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 BOOK is written as CPPL, how is BELL written in the same code? (a) MMFC (b) DGNN (c) ADKK (d) CFMM
- 2.If PEN is written as OFQ, how is SUN written in the same code? (a) NUS (b) OVT (c) TVO (d) MTR
- 3.If LION is written as ORLM, how is COLD written in the same code? (a) YMPX (b) WKNV (c) DPME (d) XLOW
- 4.If NEST is written as MVHG, how is LAMP written in the same code? (a) OZNK (b) NYMJ (c) MBNQ (d) PAOL
- 5.If SHIP is written as PIHS, how is MOON written in the same code? (a) MNNL (b) NPPO (c) OPPN (d) NOOM
- 6.If FROG is written as UILT, how is SUN written in the same code? (a) IGN (b) HFM (c) GEL (d) TVO
- 7.If LION is written as MJPO, how is DRUM written in the same code? (a) ESVN (b) NVSE (c) CQTL (d) FTWO
- 8.If CAT is written as FDW, how is HAND written in the same code? (a) EXKA (b) KDQG (c) JCPF (d) LERH
- 9.If RAIN is written as PYGL, how is SHIP written in the same code? (a) UJKR (b) RGHO (c) PEFM (d) QFGN
- 10.If LION is written as PQKN, how is SUN written in the same code? (a) UWP (b) PWU (c) NUS (d) LSQ
- 11.If STAR is written as HGZI, how is DOG written in the same code? (a) XMU (b) VKS (c) WLT (d) EPH
- 12.If BELL is written as YVOO, how is MILK written in the same code? (a) MQNO (b) NROP (c) OSPQ (d) NJML
- 13.If RAIN is written as PYGL, how is FROG written in the same code? (a) DPME (b) EQNF (c) COLD (d) HTQI
- 14.If SUN is written as HFM, how is DESK written in the same code? (a) XWIQ (b) EFTL (c) WVHP (d) VUGO
- 15.If BOAT is written as UBPC, how is FROG written in the same code? (a) HPSG (b) GORF (c) FNQE (d) GSPH
- 16.If CAKE is written as DJZB, how is BALL written in the same code? (a) LLAB (b) MMBC (c) KKZA (d) AZKK
- 17.If JUMP is written as HSKN, how is GOLD written in the same code? (a) IQNF (b) FNKC (c) EMJB (d) DLIA
- 18.If TOYS is written as SYOT, how is CAT written in the same code? (a) DBU (b) SZB (c) TAC (d) UBD
- 19.If STAR is written as HGZI, how is BOAT written in the same code? (a) CPBU (b) YLZG (c) ZMAH (d) XKYF
- 20.If COLD is written as XLOW, how is TOYS written in the same code? (a) FKAG (b) GLBH (c) UPZT (d) HMCI
- 21.If COLD is written as XLOW, how is CAKE written in the same code? (a) DBLF (b) YAQW (c) XZPV (d) WYOU
- 22.If GOLD is written as HPME, how is SUN written in the same code? (a) OVT (b) UWP (c) TVO (d) RTM
- 23.If SUN is written as HFM, how is SHIP written in the same code? (a) GRQJ (b) HSRK (c) TIJQ (d) ITSL
- 24.If NEST is written as MVHG, how is CAKE written in the same code? (a) WYOU (b) YAQW (c) XZPV (d) DBLF
- 25.If NEST is written as TSEN, how is SUN written in the same code? (a) TVO (b) MTR (c) OVT (d) NUS
- 26.If DOG is written as HPE, how is PEN written in the same code? (a) QFO (b) OFQ (c) MDO (d) NEP
- 27.If BOAT is written as YLZG, how is MOON written in the same code? (a) OMMN (b) NPPO (c) NLLM (d) MKKL
- 28.If HAND is written as FYLB, how is PEN written in the same code? (a) ODM (b) RGP (c) NCL (d) MBK
- 29.If RAIN is written as NIAR, how is BOAT written in the same code? (a) UBPC (b) SZNA (c) CPBU (d) TAOB
- 30.If GOLD is written as CKNF, how is MOON written in the same code? (a) LNNM (b) NOOM (c) OPPN (d) MNNL
- 31.If TOYS is written as SNXR, how is NEST written in the same code? (a) NEST (b) OFTU (c) LCQR (d) MDRS
- 32.If COLD is written as DLOC, how is SUN written in the same code? (a) TVO (b) MTR (c) NUS (d) OVT
- 33.If CAT is written as XZG, how is STAR written in the same code? (a) HGZI (b) TUBS (c) GFYH (d) IHAJ
- 34.If LION is written as MNHK, how is TOYS written in the same code? (a) TZPU (b) SNXR (c) RXNS (d) SYOT
- 35.If COLD is written as BNKC, how is RAIN written in the same code? (a) QZHM (b) PYGL (c) SBJO (d) RAIN
- 36.If BELL is written as LLEB, how is WIND written in the same code? (a) CMHV (b) DNIW (c) EOJX (d) XJOE
- 37.If KITE is written as ETIK, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) JNNA (d) LPPC
- 38.If BOOK is written as ZMMI, how is BOAT written in the same code? (a) YLXQ (b) DQCV (c) ZMYR (d) ANZS
- 39.If CAT is written as VCE, how is COLD written in the same code? (a) DLOC (b) EQNF (c) BJMA (d) FNQE
- 40.If PEN is written as NEP, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) JNNA (d) CPPL
Answer key
- CFMM
- OVT
- XLOW
- OZNK
- NOOM
- HFM
- ESVN
- KDQG
- QFGN
- PWU
- WLT
- NROP
- DPME
- WVHP
- HPSG
- KKZA
- EMJB
- TAC
- YLZG
- GLBH
- XZPV
- TVO
- HSRK
- XZPV
- NUS
- OFQ
- NLLM
- NCL
- TAOB
- MNNL
- MDRS
- NUS
- HGZI
- RXNS
- QZHM
- DNIW
- KOOB
- ZMYR
- FNQE
- KOOB
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