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 MOON is written as NLLM, how is COLD written in the same code? (a) YMPX (b) XLOW (c) WKNV (d) DPME
- 2.If CAKE is written as FLBD, how is FROG written in the same code? (a) FNQE (b) GSPH (c) HPSG (d) GORF
- 3.If SUN is written as HFM, how is FROG written in the same code? (a) GSPH (b) THKS (c) VJMU (d) UILT
- 4.If GOLD is written as EMJB, how is DESK written in the same code? (a) FGUM (b) BCQI (c) ABPH (d) CDRJ
- 5.If SUN is written as NUS, how is DRUM written in the same code? (a) NVSE (b) LTQC (c) ESVN (d) MURD
- 6.If SUN is written as PWU, how is DRUM written in the same code? (a) FTWO (b) KSPB (c) OWTF (d) MURD
- 7.If CAT is written as XZG, how is STAR written in the same code? (a) TUBS (b) GFYH (c) IHAJ (d) HGZI
- 8.If TOYS is written as SYOT, how is BALL written in the same code? (a) MMBC (b) LLAB (c) KKZA (d) CBMM
- 9.If BOOK is written as YLLP, how is PEN written in the same code? (a) LWN (b) QFO (c) KVM (d) JUL
- 10.If COLD is written as EMPD, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) PMUJ (d) KVNQ
- 11.If JUMP is written as KVNQ, how is DRUM written in the same code? (a) FTWO (b) CQTL (c) ESVN (d) NVSE
- 12.If TREE is written as GIVV, how is HAND written in the same code? (a) TANX (b) IBOE (c) RYLV (d) SZMW
- 13.If HAND is written as SZMW, how is DRUM written in the same code? (a) WIFN (b) VHEM (c) ESVN (d) XJGO
- 14.If FISH is written as GRHE, how is SHIP written in the same code? (a) QJIT (b) RGHO (c) PIHS (d) OHGR
- 15.If STAR is written as SBUT, how is NEST written in the same code? (a) SRDM (b) TSEN (c) OFTU (d) UTFO
- 16.If FISH is written as ITJG, how is TREE written in the same code? (a) DDQS (b) USFF (c) EERT (d) FFSU
- 17.If DESK is written as WVHP, how is WIND written in the same code? (a) CQLV (b) XJOE (c) DRMW (d) ESNX
- 18.If SHIP is written as QFGN, how is TREE written in the same code? (a) RPCC (b) SQDD (c) VTGG (d) QOBB
- 19.If PEN is written as KVM, how is MOON written in the same code? (a) MKKL (b) NPPO (c) NLLM (d) OMMN
- 20.If DOG is written as GOD, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) CPPL (d) JNNA
- 21.If BALL is written as CBMM, how is GOLD written in the same code? (a) EMPH (b) IQNF (c) FNKC (d) HPME
- 22.If LION is written as ORLM, how is CAT written in the same code? (a) DBU (b) YAH (c) WYF (d) XZG
- 23.If STAR is written as SBUT, how is BELL written in the same code? (a) CFMM (b) KKDA (c) MMFC (d) LLEB
- 24.If PEN is written as NEP, how is TREE written in the same code? (a) EERT (b) DDQS (c) USFF (d) FFSU
- 25.If LAMP is written as OLZK, how is PARK written in the same code? (a) JQZO (b) OZQJ (c) KRAP (d) LSBQ
- 26.If TOYS is written as RXNS, how is STAR written in the same code? (a) RSZQ (b) SBUT (c) QZSR (d) RATS
- 27.If PEN is written as KVM, how is KITE written in the same code? (a) OQFU (b) LJUF (c) PRGV (d) QSHW
- 28.If COLD is written as EQNF, how is CAKE written in the same code? (a) DBLF (b) ECMG (c) AYIC (d) FDNH
- 29.If DOG is written as BME, how is MOON written in the same code? (a) OQQP (b) KMML (c) LNNM (d) JLLK
- 30.If WIND is written as DRMW, how is HAND written in the same code? (a) RYLV (b) IBOE (c) SZMW (d) TANX
- 31.If BOAT is written as UBPC, how is NEST written in the same code? (a) TSEN (b) OFTU (c) SRDM (d) UTFO
- 32.If GOLD is written as FNKC, how is BOOK written in the same code? (a) BOOK (b) ANNJ (c) ZMMI (d) CPPL
- 33.If STAR is written as QRYP, how is COLD written in the same code? (a) ZLIA (b) AMJB (c) EQNF (d) BNKC
- 34.If MILK is written as LMJN, how is DESK written in the same code? (a) EFTL (b) JRDC (c) LTFE (d) KSED
- 35.If RAIN is written as NIAR, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) HPME (d) DLOG
- 36.If PEN is written as NEP, how is BALL written in the same code? (a) CBMM (b) KKZA (c) LLAB (d) MMBC
- 37.If JUMP is written as PMUJ, how is BELL written in the same code? (a) KKDA (b) CFMM (c) LLEB (d) MMFC
- 38.If TREE is written as GGTV, how is STAR written in the same code? (a) PYRQ (b) TCVU (c) RATS (d) UVCT
- 39.If FISH is written as EHRG, how is CAKE written in the same code? (a) BZJD (b) AYIC (c) CAKE (d) DBLF
- 40.If WIND is written as XJOE, how is JUMP written in the same code? (a) LWOR (b) ITLO (c) QNVK (d) KVNQ
Answer key
- XLOW
- HPSG
- UILT
- BCQI
- MURD
- OWTF
- HGZI
- LLAB
- KVM
- QNVK
- ESVN
- SZMW
- WIFN
- OHGR
- UTFO
- FFSU
- DRMW
- RPCC
- NLLM
- KOOB
- HPME
- XZG
- MMFC
- EERT
- JQZO
- QZSR
- PRGV
- ECMG
- KMML
- SZMW
- UTFO
- ANNJ
- AMJB
- LTFE
- DLOG
- LLAB
- LLEB
- TCVU
- BZJD
- KVNQ
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