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 CAKE is written as GMCE, how is PEN written in the same code? (a) RGP (b) PGR (c) LCN (d) NEP
- 2.If LION is written as JGML, how is MOON written in the same code? (a) LNNM (b) OQQP (c) JLLK (d) KMML
- 3.If CAKE is written as DBLF, how is FISH written in the same code? (a) EHRG (b) HKUJ (c) GJTI (d) ITJG
- 4.If MILK is written as PLON, how is STAR written in the same code? (a) PQXO (b) VWDU (c) WXEV (d) UVCT
- 5.If CAT is written as UBD, how is HAND written in the same code? (a) DNAH (b) EOBI (c) CMZG (d) IBOE
- 6.If MOON is written as KMML, how is TOYS written in the same code? (a) SNXR (b) VQAU (c) RMWQ (d) QLVP
- 7.If CAT is written as XZG, how is BOAT written in the same code? (a) XKYF (b) ZMAH (c) CPBU (d) YLZG
- 8.If TREE is written as EERT, how is SUN written in the same code? (a) TVO (b) OVT (c) MTR (d) NUS
- 9.If CAT is written as TAC, how is STAR written in the same code? (a) SBUT (b) RATS (c) TUBS (d) QZSR
- 10.If BOOK is written as LPPC, how is MOON written in the same code? (a) MNNL (b) OPPN (c) NOOM (d) NPPO
- 11.If DOG is written as HPE, how is JUMP written in the same code? (a) PMUJ (b) QNVK (c) KVNQ (d) OLTI
- 12.If HAND is written as DNAH, how is JUMP written in the same code? (a) KVNQ (b) OLTI (c) PMUJ (d) QNVK
- 13.If HAND is written as EOBI, how is DRUM written in the same code? (a) MURD (b) LTQC (c) NVSE (d) ESVN
- 14.If DOG is written as GRJ, how is NEST written in the same code? (a) RIWX (b) PGUV (c) QHVW (d) KBPQ
- 15.If FISH is written as JUKH, how is COLD written in the same code? (a) DLOC (b) BJMA (c) EQNF (d) FNQE
- 16.If HAND is written as JCPF, how is FISH written in the same code? (a) DGQF (b) ILVK (c) GJTI (d) HKUJ
- 17.If FISH is written as GRHE, how is FROG written in the same code? (a) GORF (b) FNQE (c) EQNF (d) HPSG
- 18.If BOOK is written as CPPL, how is GOLD written in the same code? (a) IQNF (b) EMPH (c) HPME (d) FNKC
- 19.If RAIN is written as NIAR, how is COLD written in the same code? (a) CKNB (b) EMPD (c) DLOC (d) DPME
- 20.If BOAT is written as YLZG, how is TREE written in the same code? (a) HJWW (b) USFF (c) FHUU (d) GIVV
- 21.If TREE is written as FFSU, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) LJUF (d) ETIK
- 22.If BALL is written as YZOO, how is KITE written in the same code? (a) LJUF (b) PRGV (c) OQFU (d) QSHW
- 23.If BALL is written as NNCD, how is RAIN written in the same code? (a) NIAR (b) TCKP (c) LGYP (d) PKCT
- 24.If BELL is written as ZCJJ, how is PEN written in the same code? (a) ODM (b) MBK (c) RGP (d) NCL
- 25.If RAIN is written as MHZQ, how is MOON written in the same code? (a) NOOM (b) OPPN (c) LNNM (d) MNNL
- 26.If RAIN is written as NIAR, how is MILK written in the same code? (a) KLIM (b) NJML (c) LMJN (d) JKHL
- 27.If CAKE is written as DJZB, how is CAT written in the same code? (a) TAC (b) UBD (c) BZS (d) SZB
- 28.If PARK is written as LSBQ, how is FROG written in the same code? (a) GSPH (b) GORF (c) FNQE (d) HPSG
- 29.If BALL is written as MMBC, how is TOYS written in the same code? (a) SYOT (b) TZPU (c) UPZT (d) RXNS
- 30.If DRUM is written as WIFN, how is PEN written in the same code? (a) JUL (b) LWN (c) KVM (d) QFO
- 31.If TOYS is written as WRBV, how is KITE written in the same code? (a) HFQB (b) MKVG (c) NLWH (d) OMXI
- 32.If COLD is written as CKNB, how is NEST written in the same code? (a) UTFO (b) TSEN (c) MDRS (d) SRDM
- 33.If KITE is written as FUJL, how is CAT written in the same code? (a) UBD (b) SZB (c) DBU (d) TAC
- 34.If MILK is written as KLIM, how is DESK written in the same code? (a) LTFE (b) EFTL (c) KSED (d) JRDC
- 35.If STAR is written as UVCT, how is RAIN written in the same code? (a) UDLQ (b) TCKP (c) SBJO (d) PYGL
- 36.If MILK is written as OKNM, how is PARK written in the same code? (a) SDUN (b) NYPI (c) RCTM (d) QBSL
- 37.If KITE is written as DSHJ, how is CAT written in the same code? (a) UBD (b) TAC (c) SZB (d) BZS
- 38.If CAT is written as ECV, how is DRUM written in the same code? (a) GUXP (b) BPSK (c) ESVN (d) FTWO
- 39.If HAND is written as SZMW, how is PARK written in the same code? (a) QBSL (b) KZIP (c) LAJQ (d) JYHO
- 40.If NEST is written as TSEN, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) HPME (d) DLOG
Answer key
- PGR
- KMML
- GJTI
- VWDU
- EOBI
- RMWQ
- YLZG
- NUS
- RATS
- OPPN
- QNVK
- PMUJ
- NVSE
- QHVW
- FNQE
- HKUJ
- FNQE
- HPME
- DLOC
- GIVV
- FUJL
- PRGV
- PKCT
- NCL
- MNNL
- KLIM
- SZB
- HPSG
- TZPU
- KVM
- NLWH
- SRDM
- UBD
- KSED
- TCKP
- RCTM
- SZB
- FTWO
- KZIP
- DLOG
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