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 NYPI, how is TOYS written in the same code? (a) RMWQ (b) QLVP (c) SNXR (d) VQAU
- 2.If MOON is written as NPPO, how is DOG written in the same code? (a) FQI (b) CNF (c) EPH (d) HPE
- 3.If NEST is written as QHVW, how is LION written in the same code? (a) PMSR (b) OLRQ (c) NKQP (d) IFLK
- 4.If GOLD is written as TLOW, how is HAND written in the same code? (a) IBOE (b) RYLV (c) SZMW (d) TANX
- 5.If SUN is written as MTR, how is DESK written in the same code? (a) CDRJ (b) JRDC (c) KSED (d) LTFE
- 6.If DESK is written as KSED, how is TREE written in the same code? (a) EERT (b) USFF (c) DDQS (d) FFSU
- 7.If RAIN is written as NIAR, how is MOON written in the same code? (a) OPPN (b) MNNL (c) NPPO (d) NOOM
- 8.If CAT is written as BZS, how is SHIP written in the same code? (a) SHIP (b) QFGN (c) TIJQ (d) RGHO
- 9.If BALL is written as KKZA, how is FROG written in the same code? (a) EQNF (b) FNQE (c) GORF (d) HPSG
- 10.If STAR is written as TUBS, how is SUN written in the same code? (a) UWP (b) RTM (c) OVT (d) TVO
- 11.If BELL is written as KKDA, how is TREE written in the same code? (a) FFSU (b) SQDD (c) EERT (d) DDQS
- 12.If KITE is written as ETIK, how is TOYS written in the same code? (a) SYOT (b) TZPU (c) RXNS (d) UPZT
- 13.If FROG is written as HPSG, how is SUN written in the same code? (a) NUS (b) MTR (c) TVO (d) OVT
- 14.If BOOK is written as ZMMI, how is BOAT written in the same code? (a) YLXQ (b) DQCV (c) ZMYR (d) ANZS
- 15.If BALL is written as NNCD, how is MOON written in the same code? (a) PQQO (b) OQQP (c) NOOM (d) LMMK
- 16.If BELL is written as ZCJJ, how is WIND written in the same code? (a) VHMC (b) TFKA (c) YKPF (d) UGLB
- 17.If HAND is written as SZMW, how is DOG written in the same code? (a) EPH (b) WLT (c) VKS (d) XMU
- 18.If BOOK is written as YLLP, how is TREE written in the same code? (a) GIVV (b) FHUU (c) USFF (d) HJWW
- 19.If STAR is written as VWDU, how is GOLD written in the same code? (a) JROG (b) KSPH (c) DLIA (d) IQNF
- 20.If PARK is written as KRAP, how is DRUM written in the same code? (a) NVSE (b) ESVN (c) LTQC (d) MURD
- 21.If KITE is written as ETIK, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) MBNQ (d) PMAL
- 22.If JUMP is written as PMUJ, how is PEN written in the same code? (a) QFO (b) MDO (c) NEP (d) OFQ
- 23.If KITE is written as ETIK, how is SUN written in the same code? (a) OVT (b) MTR (c) TVO (d) NUS
- 24.If BOAT is written as TAOB, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) LPPC (d) KOOB
- 25.If FISH is written as GRHE, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) KZLO (d) PMAL
- 26.If PARK is written as KZIP, how is FISH written in the same code? (a) VSIT (b) TQGR (c) GJTI (d) URHS
- 27.If SUN is written as OVT, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) DBLF (d) EKAC
- 28.If SUN is written as HFM, how is BOOK written in the same code? (a) XKKO (b) CPPL (c) YLLP (d) ZMMQ
- 29.If COLD is written as DLOC, how is TREE written in the same code? (a) USFF (b) EERT (c) DDQS (d) FFSU
- 30.If FISH is written as GJTI, how is PEN written in the same code? (a) OFQ (b) ODM (c) QFO (d) RGP
- 31.If WIND is written as DNIW, how is SUN written in the same code? (a) MTR (b) OVT (c) TVO (d) NUS
- 32.If MILK is written as OKNM, how is BELL written in the same code? (a) EHOO (b) DGNN (c) ZCJJ (d) CFMM
- 33.If HAND is written as FYLB, how is CAKE written in the same code? (a) ZXHB (b) AYIC (c) BZJD (d) ECMG
- 34.If JUMP is written as QFNK, how is DESK written in the same code? (a) VUGO (b) XWIQ (c) WVHP (d) EFTL
- 35.If FROG is written as HPSG, how is DESK written in the same code? (a) JRDC (b) KSED (c) LTFE (d) EFTL
- 36.If RAIN is written as IZRM, how is WIND written in the same code? (a) ESNX (b) CQLV (c) DRMW (d) XJOE
- 37.If BOOK is written as YLLP, how is NEST written in the same code? (a) LUGF (b) MVHG (c) NWIH (d) OFTU
- 38.If HAND is written as CMZG, how is SUN written in the same code? (a) RTM (b) NUS (c) MTR (d) OVT
- 39.If HAND is written as DNAH, how is JUMP written in the same code? (a) KVNQ (b) OLTI (c) QNVK (d) PMUJ
- 40.If FISH is written as ILVK, how is PARK written in the same code? (a) RCTM (b) MXOH (c) TEVO (d) SDUN
Answer key
- RMWQ
- EPH
- OLRQ
- SZMW
- JRDC
- EERT
- NOOM
- RGHO
- FNQE
- TVO
- DDQS
- SYOT
- OVT
- ZMYR
- PQQO
- UGLB
- WLT
- GIVV
- JROG
- MURD
- PMAL
- NEP
- NUS
- KOOB
- OLZK
- URHS
- FLBD
- YLLP
- EERT
- QFO
- NUS
- DGNN
- AYIC
- WVHP
- LTFE
- DRMW
- MVHG
- MTR
- PMUJ
- SDUN
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