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 TOYS is written as WRBV, how is MILK written in the same code? (a) OKNM (b) QMPO (c) JFIH (d) PLON
- 2.If KITE is written as PRGV, how is RAIN written in the same code? (a) IZRM (b) HYQL (c) SBJO (d) JASN
- 3.If MOON is written as NOOM, how is SUN written in the same code? (a) TVO (b) OVT (c) NUS (d) MTR
- 4.If GOLD is written as FNQI, how is NEST written in the same code? (a) RQCL (b) TSEN (c) VUGP (d) PGUV
- 5.If RAIN is written as SBJO, how is GOLD written in the same code? (a) IQNF (b) EMPH (c) HPME (d) FNKC
- 6.If FISH is written as URHS, how is MOON written in the same code? (a) NPPO (b) OMMN (c) MKKL (d) NLLM
- 7.If CAT is written as XZG, how is NEST written in the same code? (a) LUGF (b) OFTU (c) MVHG (d) NWIH
- 8.If KITE is written as ETIK, how is BALL written in the same code? (a) CBMM (b) MMBC (c) KKZA (d) LLAB
- 9.If DESK is written as WVHP, how is GOLD written in the same code? (a) HPME (b) TLOW (c) SKNV (d) UMPX
- 10.If HAND is written as FYLB, how is FROG written in the same code? (a) DPME (b) COLD (c) HTQI (d) EQNF
- 11.If CAKE is written as DJZB, how is DESK written in the same code? (a) KSED (b) CDRJ (c) LTFE (d) JRDC
- 12.If TREE is written as GIVV, how is DRUM written in the same code? (a) ESVN (b) VHEM (c) XJGO (d) WIFN
- 13.If WIND is written as FPKY, how is SHIP written in the same code? (a) UJKR (b) NGFQ (c) RKJU (d) PIHS
- 14.If GOLD is written as HPME, how is HAND written in the same code? (a) GZMC (b) IBOE (c) EOBI (d) JCPF
- 15.If WIND is written as DNIW, how is MILK written in the same code? (a) LMJN (b) NJML (c) JKHL (d) KLIM
- 16.If BELL is written as EHOO, how is STAR written in the same code? (a) VWDU (b) UVCT (c) PQXO (d) WXEV
- 17.If GOLD is written as CKNF, how is FROG written in the same code? (a) HPSG (b) GORF (c) EQNF (d) FNQE
- 18.If LION is written as KHNM, how is MOON written in the same code? (a) MOON (b) NPPO (c) LNNM (d) KMML
- 19.If BOAT is written as TAOB, how is RAIN written in the same code? (a) OJBS (b) NIAR (c) SBJO (d) MHZQ
- 20.If KITE is written as PRGV, how is MOON written in the same code? (a) NLLM (b) OMMN (c) NPPO (d) MKKL
- 21.If DOG is written as GRJ, how is TREE written in the same code? (a) QOBB (b) WUHH (c) VTGG (d) XVII
- 22.If BELL is written as NNGD, how is TREE written in the same code? (a) CCPR (b) VTGG (c) EERT (d) GGTV
- 23.If KITE is written as ETIK, how is LAMP written in the same code? (a) OLZK (b) QNBM (c) PMAL (d) MBNQ
- 24.If BOAT is written as YLZG, how is KITE written in the same code? (a) LJUF (b) OQFU (c) PRGV (d) QSHW
- 25.If DESK is written as EFTL, how is PEN written in the same code? (a) ODM (b) OFQ (c) RGP (d) QFO
- 26.If LAMP is written as OZNK, how is HAND written in the same code? (a) SZMW (b) TANX (c) IBOE (d) RYLV
- 27.If MILK is written as JKHL, how is STAR written in the same code? (a) QZSR (b) RSZQ (c) SBUT (d) RATS
- 28.If SUN is written as HFM, how is SHIP written in the same code? (a) GRQJ (b) HSRK (c) TIJQ (d) ITSL
- 29.If NEST is written as VUGP, how is DRUM written in the same code? (a) OWTF (b) KSPB (c) FTWO (d) MURD
- 30.If MILK is written as KLIM, how is BOAT written in the same code? (a) CPBU (b) UBPC (c) TAOB (d) SZNA
- 31.If JUMP is written as QFNK, how is GOLD written in the same code? (a) UMPX (b) TLOW (c) HPME (d) SKNV
- 32.If GOLD is written as TLOW, how is COLD written in the same code? (a) YMPX (b) XLOW (c) WKNV (d) DPME
- 33.If LAMP is written as ROCN, how is LION written in the same code? (a) NOIL (b) NKQP (c) PQKN (d) LMGJ
- 34.If STAR is written as HGZI, how is RAIN written in the same code? (a) SBJO (b) IZRM (c) HYQL (d) JASN
- 35.If DRUM is written as NVSE, how is SUN written in the same code? (a) TVO (b) NUS (c) MTR (d) OVT
- 36.If FISH is written as URHS, how is NEST written in the same code? (a) NWIH (b) OFTU (c) LUGF (d) MVHG
- 37.If STAR is written as HGZI, how is FISH written in the same code? (a) GJTI (b) TQGR (c) VSIT (d) URHS
- 38.If BOAT is written as TAOB, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) PMUJ (d) QNVK
- 39.If WIND is written as DRMW, how is DOG written in the same code? (a) EPH (b) VKS (c) XMU (d) WLT
- 40.If DOG is written as GOD, how is JUMP written in the same code? (a) QNVK (b) KVNQ (c) OLTI (d) PMUJ
Answer key
- PLON
- IZRM
- NUS
- VUGP
- HPME
- NLLM
- MVHG
- LLAB
- TLOW
- DPME
- JRDC
- WIFN
- RKJU
- IBOE
- KLIM
- VWDU
- FNQE
- LNNM
- NIAR
- NLLM
- WUHH
- GGTV
- PMAL
- PRGV
- QFO
- SZMW
- QZSR
- HSRK
- OWTF
- TAOB
- TLOW
- XLOW
- PQKN
- IZRM
- OVT
- MVHG
- URHS
- PMUJ
- WLT
- PMUJ
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