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 DESK is written as KSED, how is MILK written in the same code? (a) NJML (b) LMJN (c) KLIM (d) JKHL
- 2.If NEST is written as MVHG, how is BELL written in the same code? (a) ZWPP (b) XUNN (c) CFMM (d) YVOO
- 3.If CAKE is written as DJZB, how is STAR written in the same code? (a) SBUT (b) RATS (c) RSZQ (d) QZSR
- 4.If MOON is written as OPPN, how is PEN written in the same code? (a) NEP (b) QFO (c) MDO (d) OFQ
- 5.If BOOK is written as ANNJ, how is DESK written in the same code? (a) CDRJ (b) DESK (c) BCQI (d) EFTL
- 6.If TREE is written as EERT, how is FROG written in the same code? (a) FNQE (b) GSPH (c) HPSG (d) GORF
- 7.If TREE is written as GGTV, how is COLD written in the same code? (a) EQNF (b) BJMA (c) FNQE (d) DLOC
- 8.If COLD is written as DLOC, how is SHIP written in the same code? (a) TIJQ (b) PIHS (c) OHGR (d) QJIT
- 9.If TOYS is written as TZPU, how is NEST written in the same code? (a) UTFO (b) OFTU (c) TSEN (d) SRDM
- 10.If DOG is written as CNF, how is JUMP written in the same code? (a) HSKN (b) KVNQ (c) JUMP (d) ITLO
- 11.If STAR is written as TUBS, how is LION written in the same code? (a) NKQP (b) KHNM (c) OPJM (d) MJPO
- 12.If LION is written as ORLM, how is CAT written in the same code? (a) YAH (b) DBU (c) WYF (d) XZG
- 13.If BALL is written as YZOO, how is NEST written in the same code? (a) MVHG (b) NWIH (c) LUGF (d) OFTU
- 14.If NEST is written as SRDM, how is GOLD written in the same code? (a) DLOG (b) CKNF (c) FNKC (d) EMPH
- 15.If BALL is written as ZYJJ, how is MOON written in the same code? (a) OQQP (b) KMML (c) LNNM (d) JLLK
- 16.If SUN is written as NUS, how is GOLD written in the same code? (a) CKNF (b) HPME (c) DLOG (d) EMPH
- 17.If BOAT is written as UBPC, how is RAIN written in the same code? (a) NIAR (b) SBJO (c) OJBS (d) MHZQ
- 18.If FISH is written as GRHE, how is PEN written in the same code? (a) ODM (b) NEP (c) OFQ (d) MDO
- 19.If FROG is written as IURJ, how is SUN written in the same code? (a) VXQ (b) WYR (c) PRK (d) UWP
- 20.If MILK is written as NROP, how is CAKE written in the same code? (a) YAQW (b) WYOU (c) DBLF (d) XZPV
- 21.If TOYS is written as UAQV, how is RAIN written in the same code? (a) LGYP (b) TCKP (c) PKCT (d) NIAR
- 22.If DOG is written as WLT, how is CAKE written in the same code? (a) WYOU (b) DBLF (c) XZPV (d) YAQW
- 23.If WIND is written as DRMW, how is COLD written in the same code? (a) YMPX (b) XLOW (c) DPME (d) WKNV
- 24.If LAMP is written as MBNQ, how is GOLD written in the same code? (a) HPME (b) EMPH (c) IQNF (d) FNKC
- 25.If NEST is written as TSEN, how is FROG written in the same code? (a) HPSG (b) FNQE (c) GSPH (d) GORF
- 26.If MOON is written as NLLM, how is BALL written in the same code? (a) ZAPP (b) XYNN (c) YZOO (d) CBMM
- 27.If TREE is written as GIVV, how is MILK written in the same code? (a) MQNO (b) OSPQ (c) NJML (d) NROP
- 28.If FROG is written as GORF, how is PEN written in the same code? (a) NEP (b) QFO (c) MDO (d) OFQ
- 29.If SHIP is written as PIHS, how is NEST written in the same code? (a) SRDM (b) TSEN (c) OFTU (d) UTFO
- 30.If BALL is written as YZOO, how is SHIP written in the same code? (a) TIJQ (b) HSRK (c) GRQJ (d) ITSL
- 31.If COLD is written as EMPD, how is DOG written in the same code? (a) GOD (b) FNC (c) HPE (d) EPH
- 32.If WIND is written as XJOE, how is SUN written in the same code? (a) OVT (b) RTM (c) TVO (d) UWP
- 33.If WIND is written as ZLQG, how is RAIN written in the same code? (a) UDLQ (b) VEMR (c) TCKP (d) OXFK
- 34.If DRUM is written as OWTF, how is SHIP written in the same code? (a) PIHS (b) UJKR (c) NGFQ (d) RKJU
- 35.If TOYS is written as TZPU, how is FISH written in the same code? (a) ITJG (b) GRHE (c) GJTI (d) HSIF
- 36.If BOAT is written as VCQD, how is WIND written in the same code? (a) BLGU (b) DNIW (c) FPKY (d) YKPF
- 37.If DOG is written as FQI, how is COLD written in the same code? (a) AMJB (b) DPME (c) EQNF (d) FROG
- 38.If BOOK is written as MQQD, how is DOG written in the same code? (a) FQI (b) EMB (c) IQF (d) GOD
- 39.If STAR is written as RATS, how is NEST written in the same code? (a) UTFO (b) OFTU (c) SRDM (d) TSEN
- 40.If MILK is written as MNKO, how is PARK written in the same code? (a) KRAP (b) RCTM (c) MTCR (d) IPYN
Answer key
- KLIM
- YVOO
- QZSR
- OFQ
- CDRJ
- GORF
- FNQE
- PIHS
- UTFO
- ITLO
- MJPO
- XZG
- MVHG
- CKNF
- KMML
- DLOG
- OJBS
- MDO
- VXQ
- XZPV
- PKCT
- XZPV
- XLOW
- HPME
- GORF
- YZOO
- NROP
- NEP
- TSEN
- HSRK
- HPE
- TVO
- UDLQ
- RKJU
- ITJG
- FPKY
- EQNF
- IQF
- TSEN
- MTCR
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