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 LAMP is written as OZNK, how is HAND written in the same code? (a) RYLV (b) SZMW (c) TANX (d) IBOE
- 2.If RAIN is written as IZRM, how is HAND written in the same code? (a) SZMW (b) IBOE (c) RYLV (d) TANX
- 3.If BOOK is written as LPPC, how is KITE written in the same code? (a) FUJL (b) LJUF (c) ETIK (d) DSHJ
- 4.If NEST is written as SRDM, how is STAR written in the same code? (a) RATS (b) RSZQ (c) SBUT (d) QZSR
- 5.If SHIP is written as QJIT, how is TREE written in the same code? (a) DDQS (b) USFF (c) EERT (d) FFSU
- 6.If JUMP is written as OLTI, how is BALL written in the same code? (a) LLAB (b) AZKK (c) MMBC (d) KKZA
- 7.If NEST is written as TSEN, how is KITE written in the same code? (a) ETIK (b) DSHJ (c) FUJL (d) LJUF
- 8.If PARK is written as LSBQ, how is PEN written in the same code? (a) OFQ (b) MDO (c) NEP (d) QFO
- 9.If JUMP is written as KVNQ, how is STAR written in the same code? (a) SBUT (b) TUBS (c) UVCT (d) RSZQ
- 10.If FISH is written as HSIF, how is TREE written in the same code? (a) USFF (b) FFSU (c) DDQS (d) EERT
- 11.If BOOK is written as KOOB, how is WIND written in the same code? (a) DNIW (b) EOJX (c) XJOE (d) CMHV
- 12.If TREE is written as FFSU, how is BOAT written in the same code? (a) SZNA (b) CPBU (c) UBPC (d) TAOB
- 13.If TREE is written as VTGG, how is LAMP written in the same code? (a) JYKN (b) NCOR (c) MBNQ (d) ODPS
- 14.If FISH is written as HSIF, how is LION written in the same code? (a) OPJM (b) NOIL (c) MJPO (d) MNHK
- 15.If SUN is written as HFM, how is KITE written in the same code? (a) QSHW (b) OQFU (c) LJUF (d) PRGV
- 16.If COLD is written as XLOW, how is PEN written in the same code? (a) JUL (b) LWN (c) QFO (d) KVM
- 17.If FROG is written as GORF, how is WIND written in the same code? (a) CMHV (b) XJOE (c) DNIW (d) EOJX
- 18.If DESK is written as MUGF, how is TREE written in the same code? (a) GGTV (b) EERT (c) VTGG (d) CCPR
- 19.If TREE is written as USFF, how is BALL written in the same code? (a) AZKK (b) DCNN (c) MMBC (d) CBMM
- 20.If NEST is written as OFTU, how is MILK written in the same code? (a) NJML (b) LHKJ (c) LMJN (d) OKNM
- 21.If LION is written as JGML, how is COLD written in the same code? (a) EQNF (b) ZLIA (c) BNKC (d) AMJB
- 22.If BELL is written as YVOO, how is CAT written in the same code? (a) XZG (b) DBU (c) WYF (d) YAH
- 23.If TOYS is written as SYOT, how is NEST written in the same code? (a) SRDM (b) UTFO (c) TSEN (d) OFTU
- 24.If DRUM is written as WIFN, how is SUN written in the same code? (a) IGN (b) TVO (c) GEL (d) HFM
- 25.If PEN is written as NEP, how is GOLD written in the same code? (a) HPME (b) CKNF (c) EMPH (d) DLOG
- 26.If WIND is written as XJOE, how is CAT written in the same code? (a) ECV (b) UBD (c) BZS (d) DBU
- 27.If LAMP is written as PMAL, how is TREE written in the same code? (a) DDQS (b) FFSU (c) EERT (d) USFF
- 28.If JUMP is written as LWOR, how is LAMP written in the same code? (a) NCOR (b) ODPS (c) JYKN (d) MBNQ
- 29.If STAR is written as VWDU, how is JUMP written in the same code? (a) NYQT (b) LWOR (c) GRJM (d) MXPS
- 30.If SUN is written as PWU, how is MOON written in the same code? (a) PQQO (b) OQQP (c) LMMK (d) NOOM
- 31.If MILK is written as MNKO, how is FROG written in the same code? (a) IQTH (b) EMPD (c) GORF (d) HTQI
- 32.If FISH is written as JUKH, how is WIND written in the same code? (a) YKPF (b) DNIW (c) FPKY (d) BLGU
- 33.If FISH is written as URHS, how is RAIN written in the same code? (a) HYQL (b) JASN (c) SBJO (d) IZRM
- 34.If HAND is written as DNAH, how is GOLD written in the same code? (a) CKNF (b) HPME (c) EMPH (d) DLOG
- 35.If TREE is written as GIVV, how is LION written in the same code? (a) MJPO (b) PSMN (c) NQKL (d) ORLM
- 36.If BOAT is written as SZNA, how is PEN written in the same code? (a) ODM (b) OFQ (c) NEP (d) MDO
- 37.If LION is written as MJPO, how is MOON written in the same code? (a) OQQP (b) OPPN (c) NPPO (d) LNNM
- 38.If CAKE is written as DJZB, how is LION written in the same code? (a) MNHK (b) OPJM (c) KHNM (d) NOIL
- 39.If RAIN is written as NIAR, how is FROG written in the same code? (a) FNQE (b) GORF (c) HPSG (d) GSPH
- 40.If MILK is written as KLIM, how is BOOK written in the same code? (a) LPPC (b) CPPL (c) KOOB (d) JNNA
Answer key
- SZMW
- SZMW
- FUJL
- QZSR
- FFSU
- KKZA
- ETIK
- OFQ
- TUBS
- EERT
- DNIW
- UBPC
- NCOR
- NOIL
- PRGV
- KVM
- DNIW
- GGTV
- CBMM
- NJML
- AMJB
- XZG
- TSEN
- HFM
- DLOG
- DBU
- EERT
- NCOR
- MXPS
- PQQO
- IQTH
- FPKY
- IZRM
- DLOG
- ORLM
- MDO
- NPPO
- MNHK
- GORF
- KOOB
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