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 DESK is written as WVHP, how is SUN written in the same code? (a) IGN (b) HFM (c) GEL (d) TVO
- 2.If HAND is written as FPCJ, how is KITE written in the same code? (a) MKVG (b) ETIK (c) CRGI (d) GVKM
- 3.If NEST is written as SRDM, how is BOAT written in the same code? (a) ANZS (b) TAOB (c) SZNA (d) UBPC
- 4.If BELL is written as YVOO, how is HAND written in the same code? (a) RYLV (b) SZMW (c) TANX (d) IBOE
- 5.If CAT is written as XZG, how is DOG written in the same code? (a) WLT (b) XMU (c) EPH (d) VKS
- 6.If RAIN is written as PKCT, how is TREE written in the same code? (a) GGTV (b) VTGG (c) CCPR (d) EERT
- 7.If BELL is written as ZCJJ, how is CAT written in the same code? (a) ZXQ (b) BZS (c) ECV (d) AYR
- 8.If PARK is written as SDUN, how is CAKE written in the same code? (a) GEOI (b) ZXHB (c) FDNH (d) ECMG
- 9.If JUMP is written as KVNQ, how is LAMP written in the same code? (a) NCOR (b) KZLO (c) QNBM (d) MBNQ
- 10.If FROG is written as GSPH, how is LAMP written in the same code? (a) NCOR (b) KZLO (c) QNBM (d) MBNQ
- 11.If CAKE is written as FLBD, how is JUMP written in the same code? (a) KVNQ (b) PMUJ (c) OLTI (d) QNVK
- 12.If SUN is written as QSL, how is LION written in the same code? (a) IFLK (b) KHNM (c) NKQP (d) JGML
- 13.If GOLD is written as EMPH, how is CAT written in the same code? (a) TAC (b) UBD (c) SZB (d) DBU
- 14.If DRUM is written as NVSE, how is LION written in the same code? (a) NOIL (b) MJPO (c) MNHK (d) OPJM
- 15.If HAND is written as EOBI, how is BALL written in the same code? (a) LLAB (b) MMBC (c) KKZA (d) CBMM
- 16.If LAMP is written as PMAL, how is PEN written in the same code? (a) OFQ (b) QFO (c) NEP (d) MDO
- 17.If BOOK is written as YLLP, how is PARK written in the same code? (a) KZIP (b) QBSL (c) LAJQ (d) JYHO
- 18.If LAMP is written as OZNK, how is BOAT written in the same code? (a) XKYF (b) ZMAH (c) YLZG (d) CPBU
- 19.If DRUM is written as WIFN, how is FROG written in the same code? (a) VJMU (b) GSPH (c) THKS (d) UILT
- 20.If CAT is written as DBU, how is LION written in the same code? (a) MJPO (b) KHNM (c) NKQP (d) OPJM
- 21.If COLD is written as XLOW, how is CAT written in the same code? (a) YAH (b) XZG (c) WYF (d) DBU
- 22.If LAMP is written as OLZK, how is BOAT written in the same code? (a) TAOB (b) UBPC (c) SZNA (d) ANZS
- 23.If DOG is written as FNC, how is BALL written in the same code? (a) MMBC (b) LLAB (c) AZKK (d) KKZA
- 24.If TREE is written as RPCC, how is TOYS written in the same code? (a) SNXR (b) RMWQ (c) QLVP (d) VQAU
- 25.If JUMP is written as KVNQ, how is DOG written in the same code? (a) HPE (b) FQI (c) EPH (d) CNF
- 26.If CAT is written as BZS, how is CAKE written in the same code? (a) BZJD (b) CAKE (c) AYIC (d) DBLF
- 27.If FROG is written as GSPH, how is NEST written in the same code? (a) MDRS (b) PGUV (c) OFTU (d) UTFO
- 28.If LION is written as OPJM, how is CAT written in the same code? (a) TAC (b) UBD (c) DBU (d) SZB
- 29.If PARK is written as JQZO, how is STAR written in the same code? (a) SBUT (b) QZSR (c) RATS (d) RSZQ
- 30.If BOOK is written as KOOB, how is MILK written in the same code? (a) LMJN (b) KLIM (c) NJML (d) JKHL
- 31.If PEN is written as ODM, how is TREE written in the same code? (a) USFF (b) RPCC (c) SQDD (d) TREE
- 32.If NEST is written as MDRS, how is WIND written in the same code? (a) WIND (b) XJOE (c) VHMC (d) UGLB
- 33.If KITE is written as FUJL, how is BOAT written in the same code? (a) CPBU (b) UBPC (c) TAOB (d) SZNA
- 34.If SHIP is written as PIHS, how is BALL written in the same code? (a) KKZA (b) MMBC (c) LLAB (d) CBMM
- 35.If JUMP is written as QNVK, how is MOON written in the same code? (a) OPPN (b) NPPO (c) NOOM (d) MNNL
- 36.If BOOK is written as MQQD, how is MILK written in the same code? (a) KLIM (b) OKNM (c) MNKO (d) IJGK
- 37.If RAIN is written as IZRM, how is KITE written in the same code? (a) OQFU (b) PRGV (c) QSHW (d) LJUF
- 38.If CAKE is written as XZPV, how is DOG written in the same code? (a) XMU (b) VKS (c) EPH (d) WLT
- 39.If MOON is written as NOOM, how is FISH written in the same code? (a) HSIF (b) GJTI (c) GRHE (d) ITJG
- 40.If DESK is written as JRDC, how is FROG written in the same code? (a) EQNF (b) FNQE (c) HPSG (d) GORF
Answer key
- HFM
- GVKM
- SZNA
- SZMW
- WLT
- GGTV
- AYR
- FDNH
- MBNQ
- MBNQ
- QNVK
- JGML
- UBD
- OPJM
- MMBC
- NEP
- KZIP
- YLZG
- UILT
- MJPO
- XZG
- SZNA
- KKZA
- RMWQ
- EPH
- BZJD
- OFTU
- UBD
- QZSR
- KLIM
- SQDD
- VHMC
- UBPC
- LLAB
- OPPN
- MNKO
- PRGV
- WLT
- HSIF
- FNQE
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