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 TREE is written as GIVV, how is PEN written in the same code? (a) LWN (b) KVM (c) JUL (d) QFO
- 2.If KITE is written as MKVG, how is PEN written in the same code? (a) QFO (b) SHQ (c) RGP (d) NCL
- 3.If WIND is written as YKPF, how is FROG written in the same code? (a) IURJ (b) HTQI (c) GSPH (d) DPME
- 4.If JUMP is written as PMUJ, how is MILK written in the same code? (a) KLIM (b) JKHL (c) NJML (d) LMJN
- 5.If NEST is written as SRDM, how is GOLD written in the same code? (a) EMPH (b) DLOG (c) CKNF (d) FNKC
- 6.If KITE is written as ETIK, how is DESK written in the same code? (a) EFTL (b) LTFE (c) JRDC (d) KSED
- 7.If GOLD is written as DLOG, how is MOON written in the same code? (a) NOOM (b) OPPN (c) MNNL (d) NPPO
- 8.If FROG is written as HPSG, how is GOLD written in the same code? (a) DLOG (b) HPME (c) EMPH (d) CKNF
- 9.If LION is written as NOIL, how is FISH written in the same code? (a) GJTI (b) ITJG (c) GRHE (d) HSIF
- 10.If KITE is written as NLWH, how is NEST written in the same code? (a) PGUV (b) RIWX (c) QHVW (d) KBPQ
- 11.If BALL is written as YZOO, how is STAR written in the same code? (a) IHAJ (b) GFYH (c) TUBS (d) HGZI
- 12.If DESK is written as KSED, how is SUN written in the same code? (a) OVT (b) MTR (c) TVO (d) NUS
- 13.If LAMP is written as OZNK, how is SUN written in the same code? (a) TVO (b) IGN (c) HFM (d) GEL
- 14.If BOOK is written as CPPL, how is PEN written in the same code? (a) OFQ (b) ODM (c) QFO (d) RGP
- 15.If CAT is written as TAC, how is DOG written in the same code? (a) EPH (b) GOD (c) HPE (d) FNC
- 16.If CAT is written as TAC, how is DESK written in the same code? (a) KSED (b) JRDC (c) EFTL (d) LTFE
- 17.If LAMP is written as OZNK, how is MOON written in the same code? (a) NLLM (b) OMMN (c) MKKL (d) NPPO
- 18.If LION is written as NOIL, how is COLD written in the same code? (a) DPME (b) EMPD (c) CKNB (d) DLOC
- 19.If BALL is written as ZYJJ, how is FROG written in the same code? (a) COLD (b) HTQI (c) DPME (d) EQNF
- 20.If GOLD is written as FNKC, how is BOOK written in the same code? (a) ZMMI (b) BOOK (c) ANNJ (d) CPPL
- 21.If NEST is written as TSEN, how is GOLD written in the same code? (a) HPME (b) DLOG (c) EMPH (d) CKNF
- 22.If TREE is written as RPCC, how is MILK written in the same code? (a) LHKJ (b) OKNM (c) KGJI (d) JFIH
- 23.If DESK is written as GHVN, how is DOG written in the same code? (a) HSK (b) FQI (c) GRJ (d) ALD
- 24.If PARK is written as KRAP, how is SHIP written in the same code? (a) TIJQ (b) OHGR (c) PIHS (d) QJIT
- 25.If GOLD is written as DLOG, how is BOOK written in the same code? (a) LPPC (b) CPPL (c) KOOB (d) JNNA
- 26.If NEST is written as OFTU, how is DESK written in the same code? (a) LTFE (b) CDRJ (c) EFTL (d) FGUM
- 27.If TREE is written as EERT, how is PEN written in the same code? (a) MDO (b) QFO (c) OFQ (d) NEP
- 28.If BALL is written as LLAB, how is PEN written in the same code? (a) NEP (b) QFO (c) MDO (d) OFQ
- 29.If BOAT is written as ZMYR, how is RAIN written in the same code? (a) TCKP (b) OXFK (c) QZHM (d) PYGL
- 30.If MOON is written as OQQP, how is TOYS written in the same code? (a) RMWQ (b) WRBV (c) VQAU (d) UPZT
- 31.If DESK is written as FGUM, how is LION written in the same code? (a) JGML (b) MJPO (c) OLRQ (d) NKQP
- 32.If KITE is written as PRGV, how is BOAT written in the same code? (a) ZMAH (b) CPBU (c) YLZG (d) XKYF
- 33.If STAR is written as VWDU, how is DRUM written in the same code? (a) AORJ (b) GUXP (c) FTWO (d) HVYQ
- 34.If PEN is written as NEP, how is CAT written in the same code? (a) UBD (b) DBU (c) TAC (d) SZB
- 35.If BELL is written as LLEB, how is DESK written in the same code? (a) EFTL (b) KSED (c) JRDC (d) LTFE
- 36.If JUMP is written as PMUJ, how is SHIP written in the same code? (a) PIHS (b) TIJQ (c) QJIT (d) OHGR
- 37.If PEN is written as OFQ, how is WIND written in the same code? (a) DNIW (b) XJOE (c) EOJX (d) CMHV
- 38.If NEST is written as TSEN, how is SUN written in the same code? (a) MTR (b) NUS (c) TVO (d) OVT
- 39.If LION is written as NOIL, how is KITE written in the same code? (a) ETIK (b) FUJL (c) LJUF (d) DSHJ
- 40.If MOON is written as NLLM, how is TREE written in the same code? (a) FHUU (b) HJWW (c) USFF (d) GIVV
Answer key
- KVM
- RGP
- HTQI
- KLIM
- CKNF
- KSED
- NOOM
- EMPH
- HSIF
- QHVW
- HGZI
- NUS
- HFM
- QFO
- GOD
- KSED
- NLLM
- DLOC
- DPME
- ANNJ
- DLOG
- KGJI
- GRJ
- PIHS
- KOOB
- EFTL
- NEP
- NEP
- PYGL
- VQAU
- NKQP
- YLZG
- GUXP
- TAC
- KSED
- PIHS
- EOJX
- NUS
- ETIK
- GIVV
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