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 CAKE is written as BZJD, how is BOAT written in the same code? (a) BOAT (b) CPBU (c) ANZS (d) ZMYR
- 2.If LION is written as OPJM, how is CAKE written in the same code? (a) DJZB (b) EKAC (c) FLBD (d) DBLF
- 3.If COLD is written as XLOW, how is STAR written in the same code? (a) TUBS (b) GFYH (c) HGZI (d) IHAJ
- 4.If BOOK is written as ERRN, how is BALL written in the same code? (a) DCNN (b) FEPP (c) YXII (d) EDOO
- 5.If LION is written as MNHK, how is NEST written in the same code? (a) MDRS (b) TSEN (c) UTFO (d) SRDM
- 6.If DESK is written as CDRJ, how is NEST written in the same code? (a) OFTU (b) MDRS (c) LCQR (d) NEST
- 7.If BELL is written as LLEB, how is PARK written in the same code? (a) JQZO (b) QBSL (c) LSBQ (d) KRAP
- 8.If SHIP is written as QFGN, how is BOOK written in the same code? (a) ANNJ (b) DQQM (c) YLLH (d) ZMMI
- 9.If BOAT is written as YLZG, how is LION written in the same code? (a) NQKL (b) MJPO (c) PSMN (d) ORLM
- 10.If BALL is written as LLAB, how is FROG written in the same code? (a) FNQE (b) GORF (c) HPSG (d) GSPH
- 11.If LION is written as OLRQ, how is MOON written in the same code? (a) OQQP (b) QSSR (c) PRRQ (d) JLLK
- 12.If BOOK is written as KOOB, how is DOG written in the same code? (a) FNC (b) HPE (c) GOD (d) EPH
- 13.If SUN is written as UWP, how is MILK written in the same code? (a) KGJI (b) NJML (c) OKNM (d) PLON
- 14.If FROG is written as GORF, how is DOG written in the same code? (a) FNC (b) GOD (c) HPE (d) EPH
- 15.If STAR is written as QZSR, how is BOAT written in the same code? (a) TAOB (b) SZNA (c) ANZS (d) UBPC
- 16.If TREE is written as WUHH, how is PEN written in the same code? (a) SHQ (b) MBK (c) RGP (d) TIR
- 17.If NEST is written as OFTU, how is STAR written in the same code? (a) RSZQ (b) SBUT (c) UVCT (d) TUBS
- 18.If CAT is written as TAC, how is SUN written in the same code? (a) OVT (b) MTR (c) TVO (d) NUS
- 19.If SHIP is written as OHGR, how is PEN written in the same code? (a) MDO (b) NEP (c) OFQ (d) ODM
- 20.If BALL is written as EDOO, how is PEN written in the same code? (a) RGP (b) MBK (c) TIR (d) SHQ
- 21.If WIND is written as YKPF, how is COLD written in the same code? (a) DPME (b) AMJB (c) EQNF (d) FROG
- 22.If LAMP is written as OZNK, how is DRUM written in the same code? (a) XJGO (b) VHEM (c) ESVN (d) WIFN
- 23.If DESK is written as KSED, how is WIND written in the same code? (a) CMHV (b) DNIW (c) EOJX (d) XJOE
- 24.If COLD is written as XLOW, how is CAKE written in the same code? (a) DBLF (b) YAQW (c) XZPV (d) WYOU
- 25.If JUMP is written as QFNK, how is COLD written in the same code? (a) YMPX (b) DPME (c) XLOW (d) WKNV
- 26.If SUN is written as TVO, how is MILK written in the same code? (a) NJML (b) OKNM (c) LMJN (d) LHKJ
- 27.If LAMP is written as PMAL, how is TREE written in the same code? (a) DDQS (b) FFSU (c) USFF (d) EERT
- 28.If COLD is written as AMJB, how is MOON written in the same code? (a) OQQP (b) LNNM (c) KMML (d) JLLK
- 29.If CAKE is written as BZJD, how is TOYS written in the same code? (a) UPZT (b) TOYS (c) RMWQ (d) SNXR
- 30.If TREE is written as GGTV, how is KITE written in the same code? (a) ETIK (b) MKVG (c) CRGI (d) GVKM
- 31.If FROG is written as GORF, how is LION written in the same code? (a) OPJM (b) NOIL (c) MNHK (d) MJPO
- 32.If DOG is written as BME, how is HAND written in the same code? (a) FYLB (b) EXKA (c) JCPF (d) GZMC
- 33.If FROG is written as HPSG, how is JUMP written in the same code? (a) PMUJ (b) QNVK (c) OLTI (d) KVNQ
- 34.If BOAT is written as UBPC, how is FROG written in the same code? (a) GORF (b) HPSG (c) GSPH (d) FNQE
- 35.If SUN is written as NUS, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) KVNQ (d) PMUJ
- 36.If JUMP is written as QFNK, how is PEN written in the same code? (a) LWN (b) JUL (c) QFO (d) KVM
- 37.If BOAT is written as SZNA, how is MOON written in the same code? (a) LNNM (b) MNNL (c) OPPN (d) NOOM
- 38.If NEST is written as MVHG, how is WIND written in the same code? (a) ESNX (b) CQLV (c) DRMW (d) XJOE
- 39.If KITE is written as PRGV, how is BELL written in the same code? (a) XUNN (b) CFMM (c) YVOO (d) ZWPP
- 40.If SUN is written as NUS, how is BOAT written in the same code? (a) TAOB (b) SZNA (c) CPBU (d) UBPC
Answer key
- ANZS
- FLBD
- HGZI
- EDOO
- SRDM
- MDRS
- KRAP
- ZMMI
- ORLM
- GORF
- PRRQ
- GOD
- OKNM
- GOD
- SZNA
- SHQ
- TUBS
- NUS
- MDO
- SHQ
- EQNF
- WIFN
- DNIW
- XZPV
- XLOW
- NJML
- EERT
- KMML
- SNXR
- GVKM
- NOIL
- FYLB
- QNVK
- HPSG
- PMUJ
- KVM
- MNNL
- DRMW
- YVOO
- TAOB
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