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 BALL is written as YZOO, how is DESK written in the same code? (a) EFTL (b) WVHP (c) VUGO (d) XWIQ
- 2.If GOLD is written as TLOW, how is CAKE written in the same code? (a) WYOU (b) DBLF (c) XZPV (d) YAQW
- 3.If SUN is written as NUS, how is LAMP written in the same code? (a) QNBM (b) MBNQ (c) PMAL (d) OLZK
- 4.If MILK is written as MNKO, how is DOG written in the same code? (a) IQF (b) FQI (c) GOD (d) EMB
- 5.If FISH is written as JUKH, how is BELL written in the same code? (a) NNGD (b) JJCZ (c) DGNN (d) LLEB
- 6.If RAIN is written as SBJO, how is TREE written in the same code? (a) SQDD (b) VTGG (c) FFSU (d) USFF
- 7.If HAND is written as EOBI, how is LION written in the same code? (a) MJPO (b) OPJM (c) NOIL (d) MNHK
- 8.If DRUM is written as WIFN, how is BELL written in the same code? (a) ZWPP (b) CFMM (c) YVOO (d) XUNN
- 9.If FROG is written as EQNF, how is CAT written in the same code? (a) DBU (b) AYR (c) CAT (d) BZS
- 10.If FISH is written as URHS, how is STAR written in the same code? (a) HGZI (b) TUBS (c) IHAJ (d) GFYH
- 11.If COLD is written as BNKC, how is CAKE written in the same code? (a) AYIC (b) DBLF (c) BZJD (d) CAKE
- 12.If LAMP is written as OZNK, how is SUN written in the same code? (a) IGN (b) TVO (c) GEL (d) HFM
- 13.If PARK is written as OZQJ, how is BOOK written in the same code? (a) BOOK (b) ANNJ (c) ZMMI (d) CPPL
- 14.If NEST is written as LCQR, how is STAR written in the same code? (a) RSZQ (b) UVCT (c) PQXO (d) QRYP
- 15.If LAMP is written as PMAL, how is TOYS written in the same code? (a) UPZT (b) SYOT (c) TZPU (d) RXNS
- 16.If DESK is written as WVHP, how is HAND written in the same code? (a) IBOE (b) TANX (c) SZMW (d) RYLV
- 17.If LION is written as ORLM, how is GOLD written in the same code? (a) TLOW (b) SKNV (c) UMPX (d) HPME
- 18.If BOAT is written as VCQD, how is COLD written in the same code? (a) DLOC (b) FNQE (c) EQNF (d) BJMA
- 19.If DESK is written as JRDC, how is CAT written in the same code? (a) TAC (b) BZS (c) UBD (d) SZB
- 20.If MILK is written as NROP, how is DESK written in the same code? (a) XWIQ (b) VUGO (c) EFTL (d) WVHP
- 21.If CAKE is written as ECMG, how is HAND written in the same code? (a) KDQG (b) FYLB (c) IBOE (d) JCPF
- 22.If COLD is written as EMPD, how is LAMP written in the same code? (a) MBNQ (b) OLZK (c) PMAL (d) QNBM
- 23.If PEN is written as KVM, how is TOYS written in the same code? (a) UPZT (b) FKAG (c) HMCI (d) GLBH
- 24.If CAKE is written as DJZB, how is PARK written in the same code? (a) JQZO (b) LSBQ (c) KRAP (d) OZQJ
- 25.If FISH is written as HSIF, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) HPME (d) DLOG
- 26.If TOYS is written as VQAU, how is FROG written in the same code? (a) GSPH (b) DPME (c) HTQI (d) IURJ
- 27.If MILK is written as LMJN, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) CPPL (d) JNNA
- 28.If GOLD is written as TLOW, how is BELL written in the same code? (a) ZWPP (b) CFMM (c) YVOO (d) XUNN
- 29.If SHIP is written as UJKR, how is CAT written in the same code? (a) AYR (b) FDW (c) DBU (d) ECV
- 30.If BOOK is written as ZMMI, how is DOG written in the same code? (a) BME (b) CNF (c) ALD (d) FQI
- 31.If TOYS is written as GLBH, how is SUN written in the same code? (a) TVO (b) GEL (c) IGN (d) HFM
- 32.If BOOK is written as MQQD, how is STAR written in the same code? (a) TCVU (b) UVCT (c) PYRQ (d) RATS
- 33.If LION is written as KHNM, how is CAT written in the same code? (a) AYR (b) CAT (c) BZS (d) DBU
- 34.If PARK is written as KRAP, how is BALL written in the same code? (a) MMBC (b) CBMM (c) KKZA (d) LLAB
- 35.If HAND is written as JCPF, how is TREE written in the same code? (a) USFF (b) VTGG (c) WUHH (d) RPCC
- 36.If STAR is written as TUBS, how is KITE written in the same code? (a) FUJL (b) MKVG (c) LJUF (d) JHSD
- 37.If CAT is written as XZG, how is LAMP written in the same code? (a) PAOL (b) OZNK (c) MBNQ (d) NYMJ
- 38.If NEST is written as MDRS, how is JUMP written in the same code? (a) KVNQ (b) HSKN (c) JUMP (d) ITLO
- 39.If FISH is written as JUKH, how is MILK written in the same code? (a) IJGK (b) KLIM (c) MNKO (d) OKNM
- 40.If FROG is written as GORF, how is HAND written in the same code? (a) CMZG (b) EOBI (c) DNAH (d) IBOE
Answer key
- WVHP
- XZPV
- PMAL
- IQF
- NNGD
- USFF
- OPJM
- YVOO
- BZS
- HGZI
- BZJD
- HFM
- ANNJ
- QRYP
- SYOT
- SZMW
- TLOW
- FNQE
- SZB
- WVHP
- JCPF
- QNBM
- GLBH
- JQZO
- DLOG
- HTQI
- LPPC
- YVOO
- ECV
- BME
- HFM
- TCVU
- BZS
- LLAB
- VTGG
- LJUF
- OZNK
- ITLO
- MNKO
- DNAH
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