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 GLBH, how is BELL written in the same code? (a) ZWPP (b) CFMM (c) YVOO (d) XUNN
- 2.If PARK is written as KRAP, how is BOAT written in the same code? (a) SZNA (b) UBPC (c) TAOB (d) CPBU
- 3.If SUN is written as TVO, how is LAMP written in the same code? (a) NCOR (b) KZLO (c) MBNQ (d) QNBM
- 4.If MOON is written as LNNM, how is BOOK written in the same code? (a) CPPL (b) ZMMI (c) BOOK (d) ANNJ
- 5.If BALL is written as ZYJJ, how is CAKE written in the same code? (a) ECMG (b) ZXHB (c) BZJD (d) AYIC
- 6.If FROG is written as FNQE, how is PEN written in the same code? (a) MDO (b) OFQ (c) ODM (d) NEP
- 7.If TREE is written as FFSU, how is DOG written in the same code? (a) GOD (b) FNC (c) HPE (d) EPH
- 8.If PARK is written as RCTM, how is STAR written in the same code? (a) QRYP (b) TUBS (c) UVCT (d) VWDU
- 9.If BOOK is written as MQQD, how is GOLD written in the same code? (a) FNQI (b) DLOG (c) IQNF (d) BJME
- 10.If BALL is written as YZOO, how is WIND written in the same code? (a) XJOE (b) ESNX (c) CQLV (d) DRMW
- 11.If BOOK is written as YLLP, how is JUMP written in the same code? (a) PEMJ (b) QFNK (c) KVNQ (d) RGOL
- 12.If STAR is written as SBUT, how is DRUM written in the same code? (a) MURD (b) NVSE (c) ESVN (d) LTQC
- 13.If HAND is written as DNAH, how is STAR written in the same code? (a) QZSR (b) RATS (c) TUBS (d) SBUT
- 14.If COLD is written as AMJB, how is PARK written in the same code? (a) RCTM (b) OZQJ (c) MXOH (d) NYPI
- 15.If FISH is written as URHS, how is WIND written in the same code? (a) CQLV (b) XJOE (c) DRMW (d) ESNX
- 16.If FISH is written as HSIF, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) LJUF (d) FUJL
- 17.If DRUM is written as FTWO, how is FROG written in the same code? (a) GSPH (b) HTQI (c) DPME (d) IURJ
- 18.If PEN is written as NEP, how is DESK written in the same code? (a) JRDC (b) KSED (c) EFTL (d) LTFE
- 19.If LION is written as NOIL, how is HAND written in the same code? (a) CMZG (b) IBOE (c) EOBI (d) DNAH
- 20.If BOAT is written as YLZG, how is DESK written in the same code? (a) WVHP (b) VUGO (c) XWIQ (d) EFTL
- 21.If LION is written as ORLM, how is DOG written in the same code? (a) VKS (b) XMU (c) EPH (d) WLT
- 22.If MILK is written as KLIM, how is DRUM written in the same code? (a) NVSE (b) LTQC (c) MURD (d) ESVN
- 23.If BOOK is written as JNNA, how is DESK written in the same code? (a) JRDC (b) KSED (c) CDRJ (d) LTFE
- 24.If FROG is written as FNQE, how is STAR written in the same code? (a) RATS (b) RSZQ (c) SBUT (d) QZSR
- 25.If SHIP is written as HSRK, how is FROG written in the same code? (a) UILT (b) GSPH (c) VJMU (d) THKS
- 26.If LAMP is written as OZNK, how is RAIN written in the same code? (a) IZRM (b) SBJO (c) JASN (d) HYQL
- 27.If NEST is written as SRDM, how is LAMP written in the same code? (a) QNBM (b) KZLO (c) OLZK (d) PMAL
- 28.If LAMP is written as KZLO, how is DOG written in the same code? (a) DOG (b) CNF (c) EPH (d) BME
- 29.If RAIN is written as NIAR, how is BOOK written in the same code? (a) JNNA (b) KOOB (c) LPPC (d) CPPL
- 30.If STAR is written as SBUT, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) KRAP (d) QBSL
- 31.If BOAT is written as CPBU, how is KITE written in the same code? (a) JHSD (b) LJUF (c) FUJL (d) MKVG
- 32.If MOON is written as OPPN, how is TREE written in the same code? (a) USFF (b) FFSU (c) DDQS (d) EERT
- 33.If COLD is written as EMPD, how is HAND written in the same code? (a) IBOE (b) DNAH (c) EOBI (d) CMZG
- 34.If RAIN is written as IZRM, how is LAMP written in the same code? (a) MBNQ (b) OZNK (c) NYMJ (d) PAOL
- 35.If TREE is written as GGTV, how is CAT written in the same code? (a) ECV (b) RYA (c) VCE (d) TAC
- 36.If PEN is written as KVM, how is CAKE written in the same code? (a) DBLF (b) WYOU (c) XZPV (d) YAQW
- 37.If MILK is written as LHKJ, how is PEN written in the same code? (a) QFO (b) PEN (c) ODM (d) NCL
- 38.If WIND is written as DNIW, how is MILK written in the same code? (a) KLIM (b) JKHL (c) LMJN (d) NJML
- 39.If KITE is written as PRGV, how is LION written in the same code? (a) ORLM (b) NQKL (c) PSMN (d) MJPO
- 40.If COLD is written as CKNB, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) DLOG (d) FNKC
Answer key
- YVOO
- TAOB
- MBNQ
- ANNJ
- AYIC
- MDO
- HPE
- UVCT
- FNQI
- DRMW
- QFNK
- NVSE
- RATS
- NYPI
- DRMW
- ETIK
- HTQI
- KSED
- DNAH
- WVHP
- WLT
- MURD
- JRDC
- QZSR
- UILT
- IZRM
- OLZK
- CNF
- KOOB
- LSBQ
- LJUF
- FFSU
- EOBI
- OZNK
- VCE
- XZPV
- ODM
- KLIM
- ORLM
- CKNF
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