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 NROP, how is HAND written in the same code? (a) TANX (b) IBOE (c) RYLV (d) SZMW
- 2.If JUMP is written as OLTI, how is DESK written in the same code? (a) JRDC (b) LTFE (c) CDRJ (d) KSED
- 3.If TREE is written as SQDD, how is PARK written in the same code? (a) NYPI (b) OZQJ (c) PARK (d) QBSL
- 4.If COLD is written as AMJB, how is BALL written in the same code? (a) DCNN (b) YXII (c) AZKK (d) ZYJJ
- 5.If WIND is written as XJOE, how is PARK written in the same code? (a) LSBQ (b) OZQJ (c) QBSL (d) RCTM
- 6.If KITE is written as ETIK, how is FROG written in the same code? (a) FNQE (b) HPSG (c) GSPH (d) GORF
- 7.If COLD is written as BNKC, how is RAIN written in the same code? (a) RAIN (b) SBJO (c) PYGL (d) QZHM
- 8.If TOYS is written as SNXR, how is STAR written in the same code? (a) STAR (b) RSZQ (c) QRYP (d) TUBS
- 9.If TREE is written as VTGG, how is BOAT written in the same code? (a) CPBU (b) ERDW (c) ZMYR (d) DQCV
- 10.If BELL is written as LLEB, how is CAKE written in the same code? (a) DJZB (b) DBLF (c) EKAC (d) FLBD
- 11.If NEST is written as TSEN, how is GOLD written in the same code? (a) HPME (b) EMPH (c) CKNF (d) DLOG
- 12.If WIND is written as YKPF, how is SUN written in the same code? (a) TVO (b) VXQ (c) UWP (d) QSL
- 13.If KITE is written as GVKM, how is MILK written in the same code? (a) MNKO (b) KLIM (c) OKNM (d) IJGK
- 14.If TOYS is written as GLBH, how is MOON written in the same code? (a) NPPO (b) MKKL (c) OMMN (d) NLLM
- 15.If COLD is written as DLOC, how is DESK written in the same code? (a) EFTL (b) JRDC (c) KSED (d) LTFE
- 16.If NEST is written as UTFO, how is DESK written in the same code? (a) KSED (b) EFTL (c) LTFE (d) JRDC
- 17.If CAT is written as DBU, how is KITE written in the same code? (a) LJUF (b) FUJL (c) MKVG (d) JHSD
- 18.If LION is written as ORLM, how is CAT written in the same code? (a) XZG (b) DBU (c) YAH (d) WYF
- 19.If DOG is written as GOD, how is GOLD written in the same code? (a) DLOG (b) HPME (c) CKNF (d) EMPH
- 20.If HAND is written as DNAH, how is SUN written in the same code? (a) MTR (b) OVT (c) NUS (d) TVO
- 21.If DOG is written as IQF, how is GOLD written in the same code? (a) IQNF (b) DLOG (c) FNQI (d) BJME
- 22.If PARK is written as JQZO, how is BOAT written in the same code? (a) SZNA (b) ANZS (c) UBPC (d) TAOB
- 23.If JUMP is written as OLTI, how is BOAT written in the same code? (a) UBPC (b) ANZS (c) TAOB (d) SZNA
- 24.If SUN is written as RTM, how is TOYS written in the same code? (a) TOYS (b) UPZT (c) RMWQ (d) SNXR
- 25.If WIND is written as DRMW, how is DOG written in the same code? (a) EPH (b) VKS (c) WLT (d) XMU
- 26.If CAT is written as SZB, how is PARK written in the same code? (a) OZQJ (b) KRAP (c) LSBQ (d) JQZO
- 27.If CAT is written as BZS, how is CAKE written in the same code? (a) DBLF (b) AYIC (c) CAKE (d) BZJD
- 28.If JUMP is written as QFNK, how is LION written in the same code? (a) ORLM (b) NQKL (c) PSMN (d) MJPO
- 29.If BALL is written as DCNN, how is WIND written in the same code? (a) ZLQG (b) XJOE (c) YKPF (d) UGLB
- 30.If STAR is written as HGZI, how is RAIN written in the same code? (a) JASN (b) IZRM (c) HYQL (d) SBJO
- 31.If FROG is written as UILT, how is BELL written in the same code? (a) ZWPP (b) XUNN (c) YVOO (d) CFMM
- 32.If NEST is written as SRDM, how is TOYS written in the same code? (a) SYOT (b) TZPU (c) SNXR (d) RXNS
- 33.If SUN is written as RTM, how is CAKE written in the same code? (a) AYIC (b) BZJD (c) DBLF (d) CAKE
- 34.If KITE is written as FUJL, how is TREE written in the same code? (a) EERT (b) DDQS (c) FFSU (d) USFF
- 35.If BALL is written as YZOO, how is FROG written in the same code? (a) UILT (b) GSPH (c) VJMU (d) THKS
- 36.If CAT is written as SZB, how is MOON written in the same code? (a) MNNL (b) NOOM (c) LNNM (d) OPPN
- 37.If NEST is written as TSEN, how is FISH written in the same code? (a) GRHE (b) GJTI (c) ITJG (d) HSIF
- 38.If BELL is written as LLEB, how is MILK written in the same code? (a) NJML (b) LMJN (c) JKHL (d) KLIM
- 39.If RAIN is written as IZRM, how is TOYS written in the same code? (a) HMCI (b) GLBH (c) UPZT (d) FKAG
- 40.If BOOK is written as CPPL, how is LION written in the same code? (a) KHNM (b) NKQP (c) MJPO (d) OPJM
Answer key
- SZMW
- JRDC
- OZQJ
- ZYJJ
- QBSL
- GORF
- QZHM
- RSZQ
- DQCV
- EKAC
- DLOG
- UWP
- MNKO
- NLLM
- KSED
- LTFE
- LJUF
- XZG
- DLOG
- NUS
- FNQI
- SZNA
- SZNA
- SNXR
- WLT
- JQZO
- BZJD
- ORLM
- YKPF
- IZRM
- YVOO
- RXNS
- BZJD
- FFSU
- UILT
- MNNL
- HSIF
- KLIM
- GLBH
- MJPO
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