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 BOAT is written as VCQD, how is BOOK written in the same code? (a) MQQD (b) DQQM (c) IMMZ (d) KOOB
- 2.If GOLD is written as TLOW, how is CAKE written in the same code? (a) WYOU (b) DBLF (c) YAQW (d) XZPV
- 3.If TOYS is written as SYOT, how is PEN written in the same code? (a) NEP (b) OFQ (c) MDO (d) QFO
- 4.If PEN is written as NEP, how is CAT written in the same code? (a) DBU (b) UBD (c) TAC (d) SZB
- 5.If COLD is written as DLOC, how is HAND written in the same code? (a) CMZG (b) DNAH (c) IBOE (d) EOBI
- 6.If HAND is written as KDQG, how is BOOK written in the same code? (a) YLLH (b) ERRN (c) FSSO (d) DQQM
- 7.If FISH is written as HSIF, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) LPPC (d) JNNA
- 8.If FROG is written as GORF, how is PEN written in the same code? (a) MDO (b) OFQ (c) NEP (d) QFO
- 9.If BOAT is written as YLZG, how is CAT written in the same code? (a) WYF (b) YAH (c) XZG (d) DBU
- 10.If MOON is written as OQQP, how is DRUM written in the same code? (a) GUXP (b) ESVN (c) BPSK (d) FTWO
- 11.If MILK is written as MNKO, how is PARK written in the same code? (a) KRAP (b) RCTM (c) IPYN (d) MTCR
- 12.If FISH is written as URHS, how is DRUM written in the same code? (a) WIFN (b) XJGO (c) VHEM (d) ESVN
- 13.If FISH is written as ITJG, how is NEST written in the same code? (a) TSEN (b) OFTU (c) UTFO (d) SRDM
- 14.If HAND is written as FYLB, how is GOLD written in the same code? (a) FNKC (b) EMJB (c) IQNF (d) DLIA
- 15.If BOAT is written as YLZG, how is FROG written in the same code? (a) UILT (b) GSPH (c) THKS (d) VJMU
- 16.If KITE is written as PRGV, how is RAIN written in the same code? (a) HYQL (b) IZRM (c) SBJO (d) JASN
- 17.If JUMP is written as QFNK, how is FISH written in the same code? (a) VSIT (b) TQGR (c) GJTI (d) URHS
- 18.If LION is written as KHNM, how is BOOK written in the same code? (a) BOOK (b) ANNJ (c) CPPL (d) ZMMI
- 19.If TREE is written as EERT, how is PARK written in the same code? (a) QBSL (b) JQZO (c) LSBQ (d) KRAP
- 20.If CAKE is written as FLBD, how is KITE written in the same code? (a) DSHJ (b) LJUF (c) FUJL (d) ETIK
- 21.If TREE is written as GIVV, how is JUMP written in the same code? (a) PEMJ (b) QFNK (c) KVNQ (d) RGOL
- 22.If CAT is written as TAC, how is FISH written in the same code? (a) HSIF (b) ITJG (c) GJTI (d) GRHE
- 23.If SUN is written as NUS, how is CAT written in the same code? (a) SZB (b) UBD (c) DBU (d) TAC
- 24.If CAT is written as VCE, how is GOLD written in the same code? (a) DLOG (b) IQNF (c) FNQI (d) BJME
- 25.If NEST is written as MVHG, how is LION written in the same code? (a) ORLM (b) PSMN (c) NQKL (d) MJPO
- 26.If PARK is written as KRAP, how is CAT written in the same code? (a) DBU (b) SZB (c) TAC (d) UBD
- 27.If MILK is written as OKNM, how is MOON written in the same code? (a) OQQP (b) NPPO (c) KMML (d) PRRQ
- 28.If MOON is written as NOOM, how is BOOK written in the same code? (a) JNNA (b) CPPL (c) LPPC (d) KOOB
- 29.If BALL is written as CBMM, how is CAKE written in the same code? (a) FLBD (b) ECMG (c) BZJD (d) DBLF
- 30.If WIND is written as DRMW, how is CAKE written in the same code? (a) XZPV (b) DBLF (c) YAQW (d) WYOU
- 31.If SUN is written as RTM, how is BOAT written in the same code? (a) BOAT (b) ANZS (c) CPBU (d) ZMYR
- 32.If SHIP is written as QJIT, how is BALL written in the same code? (a) KKZA (b) MMBC (c) CBMM (d) LLAB
- 33.If MOON is written as NOOM, how is PARK written in the same code? (a) LSBQ (b) QBSL (c) KRAP (d) JQZO
- 34.If FISH is written as GRHE, how is RAIN written in the same code? (a) QZHM (b) NIAR (c) OJBS (d) MHZQ
- 35.If DESK is written as KSED, how is COLD written in the same code? (a) DPME (b) EMPD (c) DLOC (d) CKNB
- 36.If PARK is written as KRAP, how is BOAT written in the same code? (a) UBPC (b) CPBU (c) SZNA (d) TAOB
- 37.If CAT is written as FDW, how is LAMP written in the same code? (a) PEQT (b) ODPS (c) IXJM (d) NCOR
- 38.If BOAT is written as YLZG, how is TREE written in the same code? (a) FHUU (b) HJWW (c) GIVV (d) USFF
- 39.If TREE is written as FFSU, how is COLD written in the same code? (a) CKNB (b) EMPD (c) DLOC (d) DPME
- 40.If RAIN is written as NIAR, how is FISH written in the same code? (a) ITJG (b) GRHE (c) GJTI (d) HSIF
Answer key
- MQQD
- XZPV
- NEP
- TAC
- DNAH
- ERRN
- KOOB
- NEP
- XZG
- FTWO
- MTCR
- WIFN
- UTFO
- EMJB
- UILT
- IZRM
- URHS
- ANNJ
- KRAP
- FUJL
- QFNK
- HSIF
- TAC
- FNQI
- ORLM
- TAC
- OQQP
- KOOB
- DBLF
- XZPV
- ANZS
- MMBC
- KRAP
- MHZQ
- DLOC
- TAOB
- ODPS
- GIVV
- EMPD
- HSIF
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