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 PARK is written as SDUN, how is FISH written in the same code? (a) HKUJ (b) JMWL (c) ILVK (d) CFPE
- 2.If PARK is written as KRAP, how is CAT written in the same code? (a) UBD (b) DBU (c) SZB (d) TAC
- 3.If BELL is written as LLEB, how is MOON written in the same code? (a) MNNL (b) OPPN (c) NOOM (d) NPPO
- 4.If GOLD is written as DLOG, how is BOOK written in the same code? (a) JNNA (b) LPPC (c) CPPL (d) KOOB
- 5.If MOON is written as NPPO, how is FISH written in the same code? (a) EHRG (b) ITJG (c) HKUJ (d) GJTI
- 6.If SUN is written as VXQ, how is MOON written in the same code? (a) PRRQ (b) OQQP (c) QSSR (d) JLLK
- 7.If RAIN is written as NIAR, how is PARK written in the same code? (a) JQZO (b) QBSL (c) KRAP (d) LSBQ
- 8.If TOYS is written as GLBH, how is CAT written in the same code? (a) YAH (b) XZG (c) WYF (d) DBU
- 9.If LAMP is written as PMAL, how is TREE written in the same code? (a) USFF (b) FFSU (c) DDQS (d) EERT
- 10.If NEST is written as MVHG, how is DESK written in the same code? (a) XWIQ (b) EFTL (c) VUGO (d) WVHP
- 11.If JUMP is written as ROWL, how is DOG written in the same code? (a) GOD (b) FQI (c) EMB (d) IQF
- 12.If TREE is written as VTGG, how is HAND written in the same code? (a) KDQG (b) JCPF (c) IBOE (d) FYLB
- 13.If STAR is written as UVCT, how is MOON written in the same code? (a) PRRQ (b) NPPO (c) OQQP (d) KMML
- 14.If HAND is written as GZMC, how is LION written in the same code? (a) MJPO (b) KHNM (c) LION (d) JGML
- 15.If KITE is written as GVKM, how is CAT written in the same code? (a) ECV (b) VCE (c) TAC (d) RYA
- 16.If BELL is written as YVOO, how is RAIN written in the same code? (a) HYQL (b) JASN (c) SBJO (d) IZRM
- 17.If BELL is written as EHOO, how is RAIN written in the same code? (a) OXFK (b) VEMR (c) UDLQ (d) TCKP
- 18.If WIND is written as VHMC, how is HAND written in the same code? (a) IBOE (b) GZMC (c) FYLB (d) HAND
- 19.If TOYS is written as UAQV, how is JUMP written in the same code? (a) NKSH (b) ROWL (c) LWOR (d) PMUJ
- 20.If DRUM is written as FTWO, how is JUMP written in the same code? (a) HSKN (b) MXPS (c) LWOR (d) KVNQ
- 21.If BOAT is written as CPBU, how is MILK written in the same code? (a) NJML (b) OKNM (c) LMJN (d) LHKJ
- 22.If HAND is written as DNAH, how is FROG written in the same code? (a) HPSG (b) GSPH (c) GORF (d) FNQE
- 23.If DESK is written as CDRJ, how is MOON written in the same code? (a) KMML (b) NPPO (c) MOON (d) LNNM
- 24.If BELL is written as ADKK, how is SUN written in the same code? (a) TVO (b) RTM (c) QSL (d) SUN
- 25.If KITE is written as ETIK, how is SUN written in the same code? (a) OVT (b) NUS (c) TVO (d) MTR
- 26.If STAR is written as SBUT, how is MILK written in the same code? (a) NJML (b) KLIM (c) JKHL (d) LMJN
- 27.If LAMP is written as PMAL, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) DLOG (d) HPME
- 28.If DESK is written as EFTL, how is STAR written in the same code? (a) UVCT (b) RSZQ (c) SBUT (d) TUBS
- 29.If WIND is written as VHMC, how is STAR written in the same code? (a) TUBS (b) RSZQ (c) STAR (d) QRYP
- 30.If DOG is written as GRJ, how is CAT written in the same code? (a) ZXQ (b) GEX (c) ECV (d) FDW
- 31.If FROG is written as GORF, how is RAIN written in the same code? (a) MHZQ (b) NIAR (c) SBJO (d) OJBS
- 32.If DRUM is written as CQTL, how is MILK written in the same code? (a) KGJI (b) NJML (c) LHKJ (d) MILK
- 33.If BOOK is written as YLLP, how is FROG written in the same code? (a) UILT (b) VJMU (c) THKS (d) GSPH
- 34.If MILK is written as KLIM, how is SHIP written in the same code? (a) PIHS (b) TIJQ (c) QJIT (d) OHGR
- 35.If CAT is written as FDW, how is RAIN written in the same code? (a) UDLQ (b) OXFK (c) VEMR (d) TCKP
- 36.If KITE is written as DSHJ, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) PIHS (d) RGHO
- 37.If COLD is written as FNQE, how is BELL written in the same code? (a) NNGD (b) DGNN (c) JJCZ (d) LLEB
- 38.If FISH is written as HSIF, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) PMUJ (d) KVNQ
- 39.If MOON is written as NOOM, how is NEST written in the same code? (a) UTFO (b) OFTU (c) TSEN (d) SRDM
- 40.If SUN is written as OVT, how is BOAT written in the same code? (a) SZNA (b) TAOB (c) UBPC (d) CPBU
Answer key
- ILVK
- TAC
- NOOM
- KOOB
- GJTI
- PRRQ
- KRAP
- XZG
- EERT
- WVHP
- IQF
- JCPF
- OQQP
- KHNM
- VCE
- IZRM
- UDLQ
- GZMC
- ROWL
- LWOR
- NJML
- GORF
- LNNM
- RTM
- NUS
- LMJN
- DLOG
- TUBS
- RSZQ
- FDW
- NIAR
- LHKJ
- UILT
- PIHS
- UDLQ
- OHGR
- NNGD
- PMUJ
- TSEN
- UBPC
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