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 BELL written in the same code? (a) CFMM (b) MMFC (c) LLEB (d) KKDA
- 2.If COLD is written as DLOC, how is LAMP written in the same code? (a) PMAL (b) MBNQ (c) QNBM (d) OLZK
- 3.If COLD is written as BNKC, how is BOAT written in the same code? (a) ANZS (b) BOAT (c) ZMYR (d) CPBU
- 4.If DRUM is written as MURD, how is FISH written in the same code? (a) HSIF (b) GRHE (c) ITJG (d) GJTI
- 5.If BOOK is written as YLLP, how is PEN written in the same code? (a) KVM (b) LWN (c) QFO (d) JUL
- 6.If PEN is written as KVM, how is NEST written in the same code? (a) LUGF (b) MVHG (c) NWIH (d) OFTU
- 7.If COLD is written as AMJB, how is HAND written in the same code? (a) EXKA (b) FYLB (c) GZMC (d) JCPF
- 8.If TOYS is written as WRBV, how is LION written in the same code? (a) OLRQ (b) PMSR (c) NKQP (d) IFLK
- 9.If WIND is written as DNIW, how is BALL written in the same code? (a) MMBC (b) KKZA (c) CBMM (d) LLAB
- 10.If TOYS is written as SYOT, how is CAKE written in the same code? (a) DJZB (b) FLBD (c) DBLF (d) EKAC
- 11.If TREE is written as EERT, how is DRUM written in the same code? (a) ESVN (b) MURD (c) NVSE (d) LTQC
- 12.If MOON is written as OQQP, how is STAR written in the same code? (a) TUBS (b) VWDU (c) QRYP (d) UVCT
- 13.If BALL is written as YZOO, how is KITE written in the same code? (a) LJUF (b) QSHW (c) PRGV (d) OQFU
- 14.If DESK is written as CDRJ, how is LION written in the same code? (a) LION (b) KHNM (c) JGML (d) MJPO
- 15.If RAIN is written as NIAR, how is MOON written in the same code? (a) OPPN (b) MNNL (c) NOOM (d) NPPO
- 16.If DRUM is written as LTQC, how is DESK written in the same code? (a) CDRJ (b) KSED (c) JRDC (d) LTFE
- 17.If DRUM is written as LTQC, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) PMUJ (d) ITLO
- 18.If JUMP is written as OLTI, how is HAND written in the same code? (a) GZMC (b) EOBI (c) DNAH (d) CMZG
- 19.If DESK is written as LTFE, how is HAND written in the same code? (a) IBOE (b) EOBI (c) CMZG (d) DNAH
- 20.If SUN is written as NUS, how is BELL written in the same code? (a) CFMM (b) LLEB (c) KKDA (d) MMFC
- 21.If NEST is written as TSEN, how is CAKE written in the same code? (a) DJZB (b) FLBD (c) EKAC (d) DBLF
- 22.If SUN is written as UWP, how is WIND written in the same code? (a) UGLB (b) XJOE (c) ZLQG (d) YKPF
- 23.If BELL is written as KKDA, how is PARK written in the same code? (a) KRAP (b) LSBQ (c) OZQJ (d) JQZO
- 24.If FISH is written as GJTI, how is STAR written in the same code? (a) SBUT (b) UVCT (c) TUBS (d) RSZQ
- 25.If COLD is written as FNQE, how is PEN written in the same code? (a) RGP (b) PGR (c) LCN (d) NEP
- 26.If LION is written as OPJM, how is TREE written in the same code? (a) EERT (b) FFSU (c) USFF (d) DDQS
- 27.If WIND is written as EOJX, how is FISH written in the same code? (a) GJTI (b) GRHE (c) HSIF (d) ITJG
- 28.If PEN is written as SHQ, how is BOOK written in the same code? (a) YLLH (b) FSSO (c) ERRN (d) DQQM
- 29.If NEST is written as SRDM, how is COLD written in the same code? (a) BNKC (b) EMPD (c) DLOC (d) CKNB
- 30.If JUMP is written as OLTI, how is PEN written in the same code? (a) NEP (b) MDO (c) ODM (d) OFQ
- 31.If BALL is written as YZOO, how is TOYS written in the same code? (a) HMCI (b) FKAG (c) UPZT (d) GLBH
- 32.If TOYS is written as GLBH, how is CAKE written in the same code? (a) XZPV (b) WYOU (c) YAQW (d) DBLF
- 33.If NEST is written as SRDM, how is CAT written in the same code? (a) TAC (b) BZS (c) UBD (d) SZB
- 34.If KITE is written as LJUF, how is CAT written in the same code? (a) ECV (b) UBD (c) BZS (d) DBU
- 35.If DESK is written as CDRJ, how is STAR written in the same code? (a) QRYP (b) TUBS (c) RSZQ (d) STAR
- 36.If BALL is written as LLAB, how is PEN written in the same code? (a) QFO (b) OFQ (c) NEP (d) MDO
- 37.If PEN is written as NEP, how is LAMP written in the same code? (a) MBNQ (b) QNBM (c) PMAL (d) OLZK
- 38.If SUN is written as HFM, how is JUMP written in the same code? (a) QFNK (b) KVNQ (c) PEMJ (d) RGOL
- 39.If CAKE is written as EKAC, how is FISH written in the same code? (a) HSIF (b) GRHE (c) ITJG (d) GJTI
- 40.If MILK is written as KLIM, how is RAIN written in the same code? (a) MHZQ (b) SBJO (c) NIAR (d) OJBS
Answer key
- LLEB
- PMAL
- ANZS
- HSIF
- KVM
- MVHG
- FYLB
- OLRQ
- LLAB
- EKAC
- MURD
- UVCT
- PRGV
- KHNM
- NOOM
- JRDC
- OLTI
- CMZG
- EOBI
- LLEB
- EKAC
- YKPF
- JQZO
- TUBS
- PGR
- FFSU
- ITJG
- ERRN
- CKNB
- MDO
- GLBH
- XZPV
- SZB
- DBU
- RSZQ
- NEP
- PMAL
- QFNK
- HSIF
- NIAR
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