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 TOYS is written as SYOT, how is MILK written in the same code? (a) JKHL (b) LMJN (c) NJML (d) KLIM
- 2.If NEST is written as SRDM, how is LAMP written in the same code? (a) PMAL (b) QNBM (c) OLZK (d) KZLO
- 3.If JUMP is written as ROWL, how is HAND written in the same code? (a) FPCJ (b) DNAH (c) BLYF (d) JCPF
- 4.If SHIP is written as UJKR, how is MILK written in the same code? (a) PLON (b) NJML (c) OKNM (d) KGJI
- 5.If TREE is written as WUHH, how is JUMP written in the same code? (a) MXPS (b) NYQT (c) GRJM (d) LWOR
- 6.If BOAT is written as ANZS, how is SHIP written in the same code? (a) QFGN (b) TIJQ (c) SHIP (d) RGHO
- 7.If DRUM is written as CQTL, how is KITE written in the same code? (a) IGRC (b) JHSD (c) KITE (d) LJUF
- 8.If CAT is written as DBU, how is COLD written in the same code? (a) BNKC (b) EMPD (c) DPME (d) EQNF
- 9.If SUN is written as TVO, how is TREE written in the same code? (a) USFF (b) VTGG (c) FFSU (d) SQDD
- 10.If DESK is written as MUGF, how is STAR written in the same code? (a) UVCT (b) PYRQ (c) TCVU (d) RATS
- 11.If TOYS is written as GLBH, how is SUN written in the same code? (a) IGN (b) HFM (c) GEL (d) TVO
- 12.If STAR is written as VWDU, how is LAMP written in the same code? (a) IXJM (b) PEQT (c) ODPS (d) NCOR
- 13.If BELL is written as KKDA, how is FISH written in the same code? (a) HSIF (b) GRHE (c) EHRG (d) ITJG
- 14.If BOOK is written as JNNA, how is KITE written in the same code? (a) FUJL (b) ETIK (c) JHSD (d) DSHJ
- 15.If SUN is written as HFM, how is NEST written in the same code? (a) LUGF (b) NWIH (c) MVHG (d) OFTU
- 16.If CAT is written as SZB, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) JQZO (d) OZQJ
- 17.If LION is written as ORLM, how is MOON written in the same code? (a) NLLM (b) NPPO (c) OMMN (d) MKKL
- 18.If DRUM is written as BPSK, how is FISH written in the same code? (a) CFPE (b) DGQF (c) EHRG (d) HKUJ
- 19.If TREE is written as SQDD, how is RAIN written in the same code? (a) RAIN (b) SBJO (c) QZHM (d) PYGL
- 20.If JUMP is written as ROWL, how is DRUM written in the same code? (a) KSPB (b) FTWO (c) OWTF (d) MURD
- 21.If GOLD is written as FNKC, how is DOG written in the same code? (a) DOG (b) CNF (c) EPH (d) BME
- 22.If BALL is written as NNCD, how is FROG written in the same code? (a) EMPD (b) HTQI (c) IQTH (d) GORF
- 23.If TREE is written as USFF, how is RAIN written in the same code? (a) OJBS (b) QZHM (c) SBJO (d) TCKP
- 24.If GOLD is written as IQNF, how is WIND written in the same code? (a) UGLB (b) YKPF (c) ZLQG (d) XJOE
- 25.If TOYS is written as UAQV, how is HAND written in the same code? (a) BLYF (b) JCPF (c) DNAH (d) FPCJ
- 26.If LION is written as NOIL, how is TREE written in the same code? (a) EERT (b) DDQS (c) USFF (d) FFSU
- 27.If JUMP is written as QFNK, how is MILK written in the same code? (a) OSPQ (b) NROP (c) NJML (d) MQNO
- 28.If RAIN is written as IZRM, how is SUN written in the same code? (a) GEL (b) IGN (c) TVO (d) HFM
- 29.If BOOK is written as KOOB, how is TREE written in the same code? (a) USFF (b) DDQS (c) FFSU (d) EERT
- 30.If PARK is written as KZIP, how is CAKE written in the same code? (a) XZPV (b) DBLF (c) YAQW (d) WYOU
- 31.If MILK is written as MNKO, how is HAND written in the same code? (a) BLYF (b) DNAH (c) JCPF (d) FPCJ
- 32.If DESK is written as WVHP, how is CAT written in the same code? (a) WYF (b) XZG (c) DBU (d) YAH
- 33.If MILK is written as KLIM, how is SUN written in the same code? (a) NUS (b) MTR (c) OVT (d) TVO
- 34.If DOG is written as GOD, how is COLD written in the same code? (a) CKNB (b) DLOC (c) DPME (d) EMPD
- 35.If BELL is written as NNGD, how is BOAT written in the same code? (a) RYMZ (b) VCQD (c) DQCV (d) TAOB
- 36.If STAR is written as UVCT, how is BOAT written in the same code? (a) DQCV (b) ERDW (c) ZMYR (d) CPBU
- 37.If DRUM is written as LTQC, how is STAR written in the same code? (a) RATS (b) RSZQ (c) SBUT (d) QZSR
- 38.If STAR is written as TCVU, how is SHIP written in the same code? (a) NGFQ (b) RKJU (c) PIHS (d) UJKR
- 39.If FROG is written as IURJ, how is CAT written in the same code? (a) GEX (b) ZXQ (c) ECV (d) FDW
- 40.If LION is written as OLRQ, how is LAMP written in the same code? (a) PEQT (b) NCOR (c) IXJM (d) ODPS
Answer key
- KLIM
- OLZK
- FPCJ
- OKNM
- MXPS
- RGHO
- JHSD
- DPME
- USFF
- TCVU
- HFM
- ODPS
- GRHE
- DSHJ
- MVHG
- JQZO
- NLLM
- DGQF
- QZHM
- OWTF
- CNF
- IQTH
- SBJO
- YKPF
- FPCJ
- EERT
- NROP
- HFM
- EERT
- XZPV
- FPCJ
- XZG
- NUS
- DLOC
- VCQD
- DQCV
- QZSR
- RKJU
- FDW
- ODPS
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