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 FISH is written as URHS, how is WIND written in the same code? (a) CQLV (b) XJOE (c) DRMW (d) ESNX
- 2.If JUMP is written as QNVK, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) ETIK (d) FUJL
- 3.If WIND is written as EOJX, how is MILK written in the same code? (a) NJML (b) JKHL (c) LMJN (d) KLIM
- 4.If PEN is written as NEP, how is SUN written in the same code? (a) MTR (b) OVT (c) TVO (d) NUS
- 5.If DOG is written as WLT, how is FROG written in the same code? (a) THKS (b) GSPH (c) VJMU (d) UILT
- 6.If BOOK is written as YLLP, how is TREE written in the same code? (a) HJWW (b) GIVV (c) FHUU (d) USFF
- 7.If TOYS is written as RMWQ, how is NEST written in the same code? (a) LCQR (b) KBPQ (c) PGUV (d) MDRS
- 8.If KITE is written as ETIK, how is DOG written in the same code? (a) EPH (b) HPE (c) GOD (d) FNC
- 9.If PEN is written as KVM, how is FROG written in the same code? (a) THKS (b) VJMU (c) GSPH (d) UILT
- 10.If CAKE is written as GMCE, how is SHIP written in the same code? (a) NGFQ (b) UJKR (c) PIHS (d) RKJU
- 11.If BELL is written as YVOO, how is SUN written in the same code? (a) TVO (b) HFM (c) IGN (d) GEL
- 12.If LAMP is written as OLZK, how is MOON written in the same code? (a) MNNL (b) OPPN (c) LNNM (d) NOOM
- 13.If GOLD is written as EMJB, how is CAKE written in the same code? (a) ECMG (b) BZJD (c) AYIC (d) ZXHB
- 14.If RAIN is written as IZRM, how is BELL written in the same code? (a) ZWPP (b) XUNN (c) YVOO (d) CFMM
- 15.If NEST is written as TSEN, how is PARK written in the same code? (a) JQZO (b) QBSL (c) LSBQ (d) KRAP
- 16.If BOAT is written as YLZG, how is MILK written in the same code? (a) OSPQ (b) MQNO (c) NJML (d) NROP
- 17.If CAKE is written as ECMG, how is LION written in the same code? (a) MJPO (b) OLRQ (c) NKQP (d) JGML
- 18.If TOYS is written as TZPU, how is BELL written in the same code? (a) CFMM (b) MMFC (c) LLEB (d) KKDA
- 19.If DESK is written as MUGF, how is TREE written in the same code? (a) GGTV (b) EERT (c) VTGG (d) CCPR
- 20.If FISH is written as EHRG, how is CAT written in the same code? (a) CAT (b) DBU (c) AYR (d) BZS
- 21.If PEN is written as OFQ, how is BOAT written in the same code? (a) TAOB (b) UBPC (c) CPBU (d) SZNA
- 22.If BOAT is written as TAOB, how is CAT written in the same code? (a) DBU (b) SZB (c) TAC (d) UBD
- 23.If TOYS is written as SNXR, how is SHIP written in the same code? (a) SHIP (b) RGHO (c) TIJQ (d) QFGN
- 24.If TREE is written as GIVV, how is NEST written in the same code? (a) OFTU (b) LUGF (c) MVHG (d) NWIH
- 25.If BELL is written as KKDA, how is JUMP written in the same code? (a) OLTI (b) ITLO (c) PMUJ (d) QNVK
- 26.If MILK is written as KLIM, how is LAMP written in the same code? (a) QNBM (b) MBNQ (c) PMAL (d) OLZK
- 27.If CAT is written as TAC, how is NEST written in the same code? (a) SRDM (b) OFTU (c) UTFO (d) TSEN
- 28.If DOG is written as CNF, how is BELL written in the same code? (a) BELL (b) CFMM (c) ADKK (d) ZCJJ
- 29.If BALL is written as YZOO, how is DRUM written in the same code? (a) WIFN (b) XJGO (c) VHEM (d) ESVN
- 30.If FISH is written as HSIF, how is TREE written in the same code? (a) EERT (b) DDQS (c) USFF (d) FFSU
- 31.If CAT is written as XZG, how is JUMP written in the same code? (a) PEMJ (b) KVNQ (c) QFNK (d) RGOL
- 32.If DESK is written as KSED, how is CAKE written in the same code? (a) DBLF (b) FLBD (c) DJZB (d) EKAC
- 33.If WIND is written as DRMW, how is CAKE written in the same code? (a) YAQW (b) WYOU (c) DBLF (d) XZPV
- 34.If KITE is written as PRGV, how is STAR written in the same code? (a) IHAJ (b) TUBS (c) GFYH (d) HGZI
- 35.If PARK is written as KRAP, how is TREE written in the same code? (a) DDQS (b) FFSU (c) USFF (d) EERT
- 36.If DESK is written as MUGF, how is CAKE written in the same code? (a) EKAC (b) GMCE (c) CIYA (d) ECMG
- 37.If NEST is written as TSEN, how is LION written in the same code? (a) OPJM (b) MNHK (c) NOIL (d) MJPO
- 38.If DESK is written as FGUM, how is CAKE written in the same code? (a) DBLF (b) ECMG (c) FDNH (d) AYIC
- 39.If MOON is written as KMML, how is TOYS written in the same code? (a) VQAU (b) SNXR (c) RMWQ (d) QLVP
- 40.If SUN is written as TVO, how is CAT written in the same code? (a) ECV (b) UBD (c) DBU (d) BZS
Answer key
- DRMW
- FUJL
- LMJN
- NUS
- UILT
- GIVV
- LCQR
- GOD
- UILT
- RKJU
- HFM
- MNNL
- AYIC
- YVOO
- KRAP
- NROP
- NKQP
- MMFC
- GGTV
- BZS
- UBPC
- TAC
- RGHO
- MVHG
- OLTI
- PMAL
- TSEN
- ADKK
- WIFN
- EERT
- QFNK
- EKAC
- XZPV
- HGZI
- EERT
- GMCE
- NOIL
- ECMG
- RMWQ
- DBU
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