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 FISH is written as HSIF, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) PMUJ (d) QNVK
- 2.If DRUM is written as MURD, how is LION written in the same code? (a) MNHK (b) MJPO (c) OPJM (d) NOIL
- 3.If SUN is written as NUS, how is COLD written in the same code? (a) DPME (b) EMPD (c) CKNB (d) DLOC
- 4.If TREE is written as WUHH, how is PEN written in the same code? (a) MBK (b) SHQ (c) RGP (d) TIR
- 5.If COLD is written as EQNF, how is LAMP written in the same code? (a) ODPS (b) MBNQ (c) NCOR (d) JYKN
- 6.If DESK is written as WVHP, how is NEST written in the same code? (a) OFTU (b) NWIH (c) LUGF (d) MVHG
- 7.If GOLD is written as IQNF, how is MOON written in the same code? (a) NPPO (b) OQQP (c) KMML (d) PRRQ
- 8.If PEN is written as KVM, how is MILK written in the same code? (a) NJML (b) NROP (c) MQNO (d) OSPQ
- 9.If TOYS is written as VQAU, how is KITE written in the same code? (a) NLWH (b) MKVG (c) LJUF (d) IGRC
- 10.If LION is written as NOIL, how is RAIN written in the same code? (a) NIAR (b) OJBS (c) SBJO (d) MHZQ
- 11.If SUN is written as OVT, how is BOAT written in the same code? (a) UBPC (b) CPBU (c) TAOB (d) SZNA
- 12.If DRUM is written as NVSE, how is TREE written in the same code? (a) DDQS (b) EERT (c) USFF (d) FFSU
- 13.If STAR is written as TCVU, how is FROG written in the same code? (a) HTQI (b) GORF (c) IQTH (d) EMPD
- 14.If SHIP is written as HSRK, how is PEN written in the same code? (a) QFO (b) KVM (c) JUL (d) LWN
- 15.If LION is written as ORLM, how is WIND written in the same code? (a) XJOE (b) ESNX (c) DRMW (d) CQLV
- 16.If SUN is written as TVO, how is BELL written in the same code? (a) ADKK (b) CFMM (c) DGNN (d) MMFC
- 17.If BOOK is written as ZMMI, how is PEN written in the same code? (a) MBK (b) NCL (c) ODM (d) RGP
- 18.If LAMP is written as QNBM, how is FROG written in the same code? (a) GSPH (b) HPSG (c) GORF (d) FNQE
- 19.If STAR is written as QZSR, how is WIND written in the same code? (a) VHMC (b) DNIW (c) CMHV (d) EOJX
- 20.If FROG is written as UILT, how is BOAT written in the same code? (a) CPBU (b) XKYF (c) YLZG (d) ZMAH
- 21.If STAR is written as QRYP, how is NEST written in the same code? (a) MDRS (b) PGUV (c) LCQR (d) KBPQ
- 22.If DOG is written as GOD, how is CAT written in the same code? (a) DBU (b) TAC (c) UBD (d) SZB
- 23.If TREE is written as GIVV, how is CAT written in the same code? (a) DBU (b) WYF (c) YAH (d) XZG
- 24.If DRUM is written as ESVN, how is HAND written in the same code? (a) JCPF (b) GZMC (c) EOBI (d) IBOE
- 25.If DESK is written as WVHP, how is FISH written in the same code? (a) URHS (b) GJTI (c) TQGR (d) VSIT
- 26.If DRUM is written as LTQC, how is DOG written in the same code? (a) GOD (b) FNC (c) HPE (d) CNF
- 27.If CAKE is written as EKAC, how is SUN written in the same code? (a) OVT (b) MTR (c) TVO (d) NUS
- 28.If MOON is written as OQQP, how is SHIP written in the same code? (a) UJKR (b) QFGN (c) TIJQ (d) VKLS
- 29.If JUMP is written as QNVK, how is PEN written in the same code? (a) NEP (b) OFQ (c) MDO (d) QFO
- 30.If COLD is written as FNQE, how is BOAT written in the same code? (a) TAOB (b) RYMZ (c) DQCV (d) VCQD
- 31.If RAIN is written as SBJO, how is STAR written in the same code? (a) UVCT (b) RSZQ (c) SBUT (d) TUBS
- 32.If DRUM is written as WIFN, how is COLD written in the same code? (a) DPME (b) XLOW (c) YMPX (d) WKNV
- 33.If CAT is written as TAC, how is DOG written in the same code? (a) FNC (b) EPH (c) GOD (d) HPE
- 34.If CAKE is written as DJZB, how is LION written in the same code? (a) KHNM (b) OPJM (c) NOIL (d) MNHK
- 35.If FISH is written as ILVK, how is STAR written in the same code? (a) WXEV (b) PQXO (c) VWDU (d) UVCT
- 36.If TREE is written as SQDD, how is COLD written in the same code? (a) BNKC (b) AMJB (c) DPME (d) COLD
- 37.If KITE is written as DSHJ, how is PEN written in the same code? (a) NEP (b) MDO (c) OFQ (d) ODM
- 38.If MILK is written as KLIM, how is PARK written in the same code? (a) KRAP (b) JQZO (c) LSBQ (d) QBSL
- 39.If TOYS is written as SYOT, how is DESK written in the same code? (a) LTFE (b) EFTL (c) JRDC (d) KSED
- 40.If SHIP is written as OHGR, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) EKAC (d) BZJD
Answer key
- PMUJ
- NOIL
- DLOC
- SHQ
- NCOR
- MVHG
- OQQP
- NROP
- MKVG
- NIAR
- UBPC
- FFSU
- IQTH
- KVM
- DRMW
- CFMM
- NCL
- HPSG
- CMHV
- YLZG
- LCQR
- TAC
- XZG
- IBOE
- URHS
- FNC
- NUS
- UJKR
- OFQ
- VCQD
- TUBS
- XLOW
- GOD
- MNHK
- VWDU
- BNKC
- MDO
- KRAP
- KSED
- DJZB
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