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 TZPU, how is KITE written in the same code? (a) ETIK (b) LJUF (c) DSHJ (d) FUJL
- 2.If PARK is written as KRAP, how is STAR written in the same code? (a) QZSR (b) TUBS (c) SBUT (d) RATS
- 3.If TREE is written as GIVV, how is FISH written in the same code? (a) URHS (b) GJTI (c) TQGR (d) VSIT
- 4.If DESK is written as WVHP, how is CAT written in the same code? (a) YAH (b) XZG (c) WYF (d) DBU
- 5.If PARK is written as KRAP, how is BOAT written in the same code? (a) SZNA (b) TAOB (c) CPBU (d) UBPC
- 6.If FROG is written as HTQI, how is BOOK written in the same code? (a) ERRN (b) CPPL (c) DQQM (d) ZMMI
- 7.If LAMP is written as KZLO, how is GOLD written in the same code? (a) HPME (b) EMJB (c) FNKC (d) GOLD
- 8.If LAMP is written as ROCN, how is CAT written in the same code? (a) VCE (b) RYA (c) ECV (d) TAC
- 9.If BOOK is written as ANNJ, how is LAMP written in the same code? (a) JYKN (b) KZLO (c) LAMP (d) MBNQ
- 10.If CAKE is written as EKAC, how is LION written in the same code? (a) OPJM (b) MJPO (c) NOIL (d) MNHK
- 11.If FISH is written as HSIF, how is DOG written in the same code? (a) GOD (b) EPH (c) FNC (d) HPE
- 12.If BELL is written as YVOO, how is LAMP written in the same code? (a) PAOL (b) NYMJ (c) MBNQ (d) OZNK
- 13.If LION is written as ORLM, how is DOG written in the same code? (a) EPH (b) XMU (c) WLT (d) VKS
- 14.If CAT is written as XZG, how is DOG written in the same code? (a) XMU (b) WLT (c) EPH (d) VKS
- 15.If GOLD is written as TLOW, how is STAR written in the same code? (a) HGZI (b) IHAJ (c) TUBS (d) GFYH
- 16.If GOLD is written as JROG, how is JUMP written in the same code? (a) MXPS (b) GRJM (c) NYQT (d) LWOR
- 17.If JUMP is written as OLTI, how is TOYS written in the same code? (a) RXNS (b) SYOT (c) TZPU (d) SNXR
- 18.If FISH is written as HKUJ, how is TREE written in the same code? (a) VTGG (b) USFF (c) WUHH (d) RPCC
- 19.If DOG is written as GRJ, how is PARK written in the same code? (a) RCTM (b) SDUN (c) MXOH (d) TEVO
- 20.If COLD is written as XLOW, how is BOOK written in the same code? (a) ZMMQ (b) XKKO (c) CPPL (d) YLLP
- 21.If COLD is written as AMJB, how is MOON written in the same code? (a) LNNM (b) JLLK (c) KMML (d) OQQP
- 22.If CAKE is written as BZJD, how is DESK written in the same code? (a) EFTL (b) BCQI (c) DESK (d) CDRJ
- 23.If SUN is written as RTM, how is NEST written in the same code? (a) OFTU (b) LCQR (c) MDRS (d) NEST
- 24.If STAR is written as SBUT, how is PEN written in the same code? (a) NEP (b) MDO (c) QFO (d) OFQ
- 25.If FROG is written as FNQE, how is MILK written in the same code? (a) LHKJ (b) JKHL (c) LMJN (d) KLIM
- 26.If NEST is written as SRDM, how is MILK written in the same code? (a) LMJN (b) LHKJ (c) KLIM (d) JKHL
- 27.If KITE is written as PRGV, how is CAKE written in the same code? (a) XZPV (b) WYOU (c) DBLF (d) YAQW
- 28.If BOAT is written as ERDW, how is PARK written in the same code? (a) TEVO (b) RCTM (c) MXOH (d) SDUN
- 29.If SUN is written as MTR, how is PARK written in the same code? (a) JQZO (b) LSBQ (c) KRAP (d) OZQJ
- 30.If DOG is written as HPE, how is CAT written in the same code? (a) TAC (b) SZB (c) DBU (d) UBD
- 31.If DOG is written as FQI, how is WIND written in the same code? (a) UGLB (b) YKPF (c) ZLQG (d) XJOE
- 32.If JUMP is written as QFNK, how is DRUM written in the same code? (a) WIFN (b) ESVN (c) VHEM (d) XJGO
- 33.If CAT is written as TAC, how is STAR written in the same code? (a) RATS (b) TUBS (c) QZSR (d) SBUT
- 34.If FISH is written as HSIF, how is NEST written in the same code? (a) OFTU (b) UTFO (c) SRDM (d) TSEN
- 35.If CAT is written as XZG, how is TREE written in the same code? (a) USFF (b) FHUU (c) GIVV (d) HJWW
- 36.If CAKE is written as DBLF, how is BOOK written in the same code? (a) CPPL (b) DQQM (c) ANNJ (d) LPPC
- 37.If BOAT is written as SZNA, how is LAMP written in the same code? (a) OLZK (b) KZLO (c) PMAL (d) QNBM
- 38.If CAT is written as TAC, how is PARK written in the same code? (a) KRAP (b) QBSL (c) LSBQ (d) JQZO
- 39.If FROG is written as UILT, how is DOG written in the same code? (a) EPH (b) VKS (c) XMU (d) WLT
- 40.If RAIN is written as MHZQ, how is NEST written in the same code? (a) MDRS (b) TSEN (c) UTFO (d) SRDM
Answer key
- FUJL
- RATS
- URHS
- XZG
- TAOB
- DQQM
- FNKC
- VCE
- KZLO
- NOIL
- GOD
- OZNK
- WLT
- WLT
- HGZI
- MXPS
- RXNS
- VTGG
- SDUN
- YLLP
- KMML
- CDRJ
- MDRS
- OFQ
- JKHL
- JKHL
- XZPV
- SDUN
- JQZO
- UBD
- YKPF
- WIFN
- RATS
- TSEN
- GIVV
- CPPL
- OLZK
- KRAP
- WLT
- SRDM
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