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 NEST is written as MVHG, how is DRUM written in the same code? (a) WIFN (b) XJGO (c) VHEM (d) ESVN
- 2.If CAT is written as XZG, how is BALL written in the same code? (a) XYNN (b) YZOO (c) ZAPP (d) CBMM
- 3.If MOON is written as NOOM, how is TREE written in the same code? (a) FFSU (b) USFF (c) DDQS (d) EERT
- 4.If BOAT is written as YLZG, how is BOOK written in the same code? (a) CPPL (b) ZMMQ (c) XKKO (d) YLLP
- 5.If HAND is written as GZMC, how is RAIN written in the same code? (a) SBJO (b) QZHM (c) PYGL (d) RAIN
- 6.If GOLD is written as EMJB, how is FROG written in the same code? (a) HTQI (b) DPME (c) COLD (d) EQNF
- 7.If DRUM is written as WIFN, how is WIND written in the same code? (a) ESNX (b) XJOE (c) DRMW (d) CQLV
- 8.If CAKE is written as EKAC, how is SUN written in the same code? (a) MTR (b) TVO (c) OVT (d) NUS
- 9.If SHIP is written as PIHS, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) DBLF (d) EKAC
- 10.If MOON is written as MNNL, how is PEN written in the same code? (a) MDO (b) OFQ (c) NEP (d) ODM
- 11.If BOOK is written as YLLP, how is JUMP written in the same code? (a) KVNQ (b) QFNK (c) RGOL (d) PEMJ
- 12.If FISH is written as ITJG, how is PEN written in the same code? (a) OFQ (b) MDO (c) QFO (d) NEP
- 13.If MILK is written as NROP, how is BALL written in the same code? (a) YZOO (b) XYNN (c) CBMM (d) ZAPP
- 14.If MILK is written as LMJN, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) KOOB (d) LPPC
- 15.If CAT is written as UBD, how is LION written in the same code? (a) MJPO (b) NOIL (c) MNHK (d) OPJM
- 16.If NEST is written as SRDM, how is LION written in the same code? (a) OPJM (b) MNHK (c) KHNM (d) NOIL
- 17.If FROG is written as GORF, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) KRAP (d) QBSL
- 18.If DESK is written as EFTL, how is GOLD written in the same code? (a) HPME (b) EMPH (c) IQNF (d) FNKC
- 19.If CAT is written as TAC, how is JUMP written in the same code? (a) PMUJ (b) OLTI (c) QNVK (d) KVNQ
- 20.If CAKE is written as DBLF, how is FROG written in the same code? (a) EQNF (b) GSPH (c) HTQI (d) HPSG
- 21.If NEST is written as QHVW, how is FROG written in the same code? (a) COLD (b) JVSK (c) IURJ (d) HTQI
- 22.If STAR is written as RATS, how is DRUM written in the same code? (a) NVSE (b) MURD (c) ESVN (d) LTQC
- 23.If FISH is written as HSIF, how is TOYS written in the same code? (a) RXNS (b) UPZT (c) SYOT (d) TZPU
- 24.If STAR is written as RATS, how is HAND written in the same code? (a) EOBI (b) DNAH (c) IBOE (d) CMZG
- 25.If LION is written as JGML, how is WIND written in the same code? (a) VHMC (b) TFKA (c) UGLB (d) YKPF
- 26.If GOLD is written as DLOG, how is RAIN written in the same code? (a) MHZQ (b) OJBS (c) NIAR (d) SBJO
- 27.If KITE is written as MKVG, how is PARK written in the same code? (a) NYPI (b) RCTM (c) SDUN (d) QBSL
- 28.If STAR is written as HGZI, how is PARK written in the same code? (a) QBSL (b) LAJQ (c) JYHO (d) KZIP
- 29.If GOLD is written as JROG, how is MILK written in the same code? (a) JFIH (b) QMPO (c) OKNM (d) PLON
- 30.If PEN is written as MDO, how is CAT written in the same code? (a) TAC (b) BZS (c) UBD (d) SZB
- 31.If CAT is written as BZS, how is SHIP written in the same code? (a) TIJQ (b) RGHO (c) SHIP (d) QFGN
- 32.If COLD is written as EMPD, how is DRUM written in the same code? (a) ESVN (b) LTQC (c) NVSE (d) MURD
- 33.If JUMP is written as QFNK, how is DESK written in the same code? (a) VUGO (b) WVHP (c) EFTL (d) XWIQ
- 34.If KITE is written as PRGV, how is BOAT written in the same code? (a) CPBU (b) ZMAH (c) XKYF (d) YLZG
- 35.If LION is written as OPJM, how is MILK written in the same code? (a) KLIM (b) JKHL (c) LMJN (d) NJML
- 36.If RAIN is written as IZRM, how is SUN written in the same code? (a) GEL (b) IGN (c) TVO (d) HFM
- 37.If WIND is written as CMHV, how is COLD written in the same code? (a) BNKC (b) CKNB (c) EMPD (d) DLOC
- 38.If TREE is written as EERT, how is HAND written in the same code? (a) CMZG (b) IBOE (c) EOBI (d) DNAH
- 39.If TREE is written as SQDD, how is FROG written in the same code? (a) DPME (b) GSPH (c) FROG (d) EQNF
- 40.If SHIP is written as OHGR, how is LION written in the same code? (a) OPJM (b) MNHK (c) KHNM (d) NOIL
Answer key
- WIFN
- YZOO
- EERT
- YLLP
- QZHM
- DPME
- DRMW
- NUS
- EKAC
- MDO
- QFNK
- OFQ
- YZOO
- LPPC
- OPJM
- MNHK
- KRAP
- HPME
- PMUJ
- GSPH
- IURJ
- MURD
- SYOT
- DNAH
- UGLB
- NIAR
- RCTM
- KZIP
- PLON
- SZB
- RGHO
- NVSE
- WVHP
- YLZG
- LMJN
- HFM
- CKNB
- DNAH
- EQNF
- MNHK
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