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 LAMP is written as PMAL, how is KITE written in the same code? (a) LJUF (b) FUJL (c) DSHJ (d) ETIK
- 2.If HAND is written as EOBI, how is BOAT written in the same code? (a) CPBU (b) SZNA (c) UBPC (d) TAOB
- 3.If COLD is written as XLOW, how is HAND written in the same code? (a) IBOE (b) RYLV (c) SZMW (d) TANX
- 4.If MILK is written as OKNM, how is TOYS written in the same code? (a) RMWQ (b) WRBV (c) VQAU (d) UPZT
- 5.If DOG is written as IQF, how is BALL written in the same code? (a) JJYZ (b) DCNN (c) LLAB (d) NNCD
- 6.If COLD is written as XLOW, how is FISH written in the same code? (a) GJTI (b) URHS (c) TQGR (d) VSIT
- 7.If BELL is written as KKDA, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) KRAP (d) OZQJ
- 8.If TREE is written as GGTV, how is JUMP written in the same code? (a) PMUJ (b) LWOR (c) NKSH (d) ROWL
- 9.If CAT is written as XZG, how is BOOK written in the same code? (a) ZMMQ (b) CPPL (c) XKKO (d) YLLP
- 10.If JUMP is written as OLTI, how is MILK written in the same code? (a) LHKJ (b) LMJN (c) JKHL (d) KLIM
- 11.If BELL is written as YVOO, how is GOLD written in the same code? (a) TLOW (b) HPME (c) SKNV (d) UMPX
- 12.If HAND is written as SZMW, how is PARK written in the same code? (a) JYHO (b) LAJQ (c) KZIP (d) QBSL
- 13.If PARK is written as QBSL, how is FISH written in the same code? (a) ITJG (b) HKUJ (c) EHRG (d) GJTI
- 14.If CAT is written as DBU, how is DESK written in the same code? (a) FGUM (b) LTFE (c) EFTL (d) CDRJ
- 15.If CAKE is written as EKAC, how is HAND written in the same code? (a) EOBI (b) DNAH (c) CMZG (d) IBOE
- 16.If COLD is written as CKNB, how is LION written in the same code? (a) OPJM (b) NOIL (c) MNHK (d) KHNM
- 17.If PARK is written as MTCR, how is CAT written in the same code? (a) RYA (b) TAC (c) ECV (d) VCE
- 18.If WIND is written as DRMW, how is BOAT written in the same code? (a) ZMAH (b) XKYF (c) CPBU (d) YLZG
- 19.If CAT is written as BZS, how is BALL written in the same code? (a) AZKK (b) CBMM (c) BALL (d) ZYJJ
- 20.If LAMP is written as PMAL, how is MOON written in the same code? (a) NPPO (b) NOOM (c) OPPN (d) MNNL
- 21.If PEN is written as NEP, how is STAR written in the same code? (a) TUBS (b) RATS (c) SBUT (d) QZSR
- 22.If PARK is written as KRAP, how is BELL written in the same code? (a) LLEB (b) KKDA (c) MMFC (d) CFMM
- 23.If SUN is written as HFM, how is MOON written in the same code? (a) NPPO (b) OMMN (c) NLLM (d) MKKL
- 24.If JUMP is written as PMUJ, how is LION written in the same code? (a) MNHK (b) NOIL (c) OPJM (d) MJPO
- 25.If MOON is written as PRRQ, how is LAMP written in the same code? (a) IXJM (b) ODPS (c) NCOR (d) PEQT
- 26.If COLD is written as CKNB, how is CAKE written in the same code? (a) FLBD (b) BZJD (c) DJZB (d) EKAC
- 27.If STAR is written as HGZI, how is NEST written in the same code? (a) LUGF (b) MVHG (c) OFTU (d) NWIH
- 28.If DOG is written as GOD, how is SUN written in the same code? (a) MTR (b) TVO (c) NUS (d) OVT
- 29.If BELL is written as YVOO, how is CAKE written in the same code? (a) WYOU (b) YAQW (c) DBLF (d) XZPV
- 30.If FISH is written as GRHE, how is TREE written in the same code? (a) DDQS (b) FFSU (c) SQDD (d) EERT
- 31.If SHIP is written as HSRK, how is BALL written in the same code? (a) ZAPP (b) CBMM (c) XYNN (d) YZOO
- 32.If CAKE is written as XZPV, how is FISH written in the same code? (a) URHS (b) TQGR (c) GJTI (d) VSIT
- 33.If HAND is written as FPCJ, how is BOOK written in the same code? (a) DQQM (b) MQQD (c) IMMZ (d) KOOB
- 34.If SUN is written as HFM, how is BOAT written in the same code? (a) XKYF (b) ZMAH (c) YLZG (d) CPBU
- 35.If BALL is written as LLAB, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) HPME (d) DLOG
- 36.If DOG is written as EPH, how is TOYS written in the same code? (a) SNXR (b) UPZT (c) TZPU (d) VQAU
- 37.If MOON is written as NLLM, how is PEN written in the same code? (a) JUL (b) KVM (c) LWN (d) QFO
- 38.If LION is written as JGML, how is LAMP written in the same code? (a) NCOR (b) IXJM (c) JYKN (d) KZLO
- 39.If MILK is written as NROP, how is TOYS written in the same code? (a) HMCI (b) FKAG (c) GLBH (d) UPZT
- 40.If SUN is written as TVO, how is PEN written in the same code? (a) RGP (b) ODM (c) QFO (d) OFQ
Answer key
- ETIK
- UBPC
- SZMW
- VQAU
- NNCD
- URHS
- JQZO
- ROWL
- YLLP
- JKHL
- TLOW
- KZIP
- GJTI
- EFTL
- DNAH
- MNHK
- VCE
- YLZG
- AZKK
- NOOM
- RATS
- LLEB
- NLLM
- NOIL
- ODPS
- DJZB
- MVHG
- NUS
- XZPV
- DDQS
- YZOO
- URHS
- MQQD
- YLZG
- DLOG
- UPZT
- KVM
- JYKN
- GLBH
- QFO
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