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 MILK is written as LHKJ, how is NEST written in the same code? (a) NEST (b) LCQR (c) MDRS (d) OFTU
- 2.If MILK is written as JKHL, how is NEST written in the same code? (a) MDRS (b) TSEN (c) UTFO (d) SRDM
- 3.If TREE is written as USFF, how is KITE written in the same code? (a) FUJL (b) JHSD (c) MKVG (d) LJUF
- 4.If SUN is written as RTM, how is DESK written in the same code? (a) BCQI (b) DESK (c) CDRJ (d) EFTL
- 5.If SUN is written as HFM, how is NEST written in the same code? (a) OFTU (b) LUGF (c) MVHG (d) NWIH
- 6.If NEST is written as MVHG, how is JUMP written in the same code? (a) PEMJ (b) RGOL (c) KVNQ (d) QFNK
- 7.If GOLD is written as EMPH, how is FROG written in the same code? (a) HPSG (b) GORF (c) FNQE (d) GSPH
- 8.If SUN is written as NUS, how is DOG written in the same code? (a) HPE (b) GOD (c) FNC (d) EPH
- 9.If PARK is written as RCTM, how is PEN written in the same code? (a) QFO (b) NCL (c) RGP (d) SHQ
- 10.If CAKE is written as AYIC, how is DOG written in the same code? (a) BME (b) ALD (c) FQI (d) CNF
- 11.If SUN is written as PWU, how is KITE written in the same code? (a) CRGI (b) ETIK (c) GVKM (d) MKVG
- 12.If TOYS is written as SYOT, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) LPPC (d) JNNA
- 13.If LION is written as MNHK, how is FROG written in the same code? (a) FNQE (b) EQNF (c) HPSG (d) GORF
- 14.If FROG is written as FNQE, how is SUN written in the same code? (a) NUS (b) MTR (c) RTM (d) OVT
- 15.If COLD is written as EMPD, how is WIND written in the same code? (a) DNIW (b) XJOE (c) EOJX (d) CMHV
- 16.If MOON is written as LNNM, how is KITE written in the same code? (a) JHSD (b) LJUF (c) KITE (d) IGRC
- 17.If CAT is written as XZG, how is RAIN written in the same code? (a) JASN (b) IZRM (c) HYQL (d) SBJO
- 18.If JUMP is written as PMUJ, how is BOOK written in the same code? (a) KOOB (b) LPPC (c) CPPL (d) JNNA
- 19.If FROG is written as UILT, how is LAMP written in the same code? (a) MBNQ (b) NYMJ (c) OZNK (d) PAOL
- 20.If CAKE is written as ECMG, how is FISH written in the same code? (a) ILVK (b) HKUJ (c) DGQF (d) GJTI
- 21.If CAT is written as XZG, how is PARK written in the same code? (a) JYHO (b) QBSL (c) KZIP (d) LAJQ
- 22.If WIND is written as DRMW, how is PEN written in the same code? (a) KVM (b) QFO (c) LWN (d) JUL
- 23.If COLD is written as EMPD, how is BOAT written in the same code? (a) TAOB (b) UBPC (c) SZNA (d) CPBU
- 24.If FISH is written as HSIF, how is SUN written in the same code? (a) MTR (b) NUS (c) TVO (d) OVT
- 25.If FROG is written as UILT, how is TOYS written in the same code? (a) FKAG (b) GLBH (c) HMCI (d) UPZT
- 26.If CAKE is written as ECMG, how is SUN written in the same code? (a) UWP (b) VXQ (c) TVO (d) QSL
- 27.If CAT is written as TAC, how is BALL written in the same code? (a) CBMM (b) MMBC (c) LLAB (d) KKZA
- 28.If TOYS is written as GLBH, how is DOG written in the same code? (a) VKS (b) XMU (c) EPH (d) WLT
- 29.If KITE is written as ETIK, how is HAND written in the same code? (a) IBOE (b) DNAH (c) CMZG (d) EOBI
- 30.If SHIP is written as TIJQ, how is TREE written in the same code? (a) USFF (b) FFSU (c) SQDD (d) VTGG
- 31.If DOG is written as GOD, how is MILK written in the same code? (a) NJML (b) KLIM (c) JKHL (d) LMJN
- 32.If MOON is written as NLLM, how is JUMP written in the same code? (a) RGOL (b) QFNK (c) PEMJ (d) KVNQ
- 33.If DESK is written as MUGF, how is PARK written in the same code? (a) MTCR (b) IPYN (c) RCTM (d) KRAP
- 34.If LAMP is written as MBNQ, how is DRUM written in the same code? (a) FTWO (b) CQTL (c) NVSE (d) ESVN
- 35.If KITE is written as PRGV, how is CAT written in the same code? (a) DBU (b) XZG (c) YAH (d) WYF
- 36.If KITE is written as DSHJ, how is TOYS written in the same code? (a) TZPU (b) SYOT (c) RXNS (d) SNXR
- 37.If GOLD is written as TLOW, how is PARK written in the same code? (a) LAJQ (b) JYHO (c) QBSL (d) KZIP
- 38.If RAIN is written as IZRM, how is DESK written in the same code? (a) XWIQ (b) VUGO (c) EFTL (d) WVHP
- 39.If RAIN is written as OJBS, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) FUJL (d) ETIK
- 40.If JUMP is written as QNVK, how is PEN written in the same code? (a) NEP (b) QFO (c) OFQ (d) MDO
Answer key
- MDRS
- SRDM
- LJUF
- CDRJ
- MVHG
- QFNK
- HPSG
- GOD
- RGP
- BME
- GVKM
- KOOB
- FNQE
- MTR
- EOJX
- JHSD
- IZRM
- KOOB
- OZNK
- HKUJ
- KZIP
- KVM
- UBPC
- NUS
- GLBH
- UWP
- LLAB
- WLT
- DNAH
- USFF
- KLIM
- QFNK
- MTCR
- ESVN
- XZG
- RXNS
- KZIP
- WVHP
- FUJL
- OFQ
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