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 CAT is written as XZG, how is RAIN written in the same code? (a) SBJO (b) JASN (c) HYQL (d) IZRM
- 2.If JUMP is written as ROWL, how is TOYS written in the same code? (a) SYOT (b) VQAU (c) UAQV (d) QWMR
- 3.If LION is written as NOIL, how is COLD written in the same code? (a) DPME (b) DLOC (c) CKNB (d) EMPD
- 4.If BOAT is written as YLZG, how is LAMP written in the same code? (a) NYMJ (b) MBNQ (c) PAOL (d) OZNK
- 5.If DESK is written as GHVN, how is GOLD written in the same code? (a) IQNF (b) DLIA (c) KSPH (d) JROG
- 6.If LION is written as MNHK, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) BZJD (d) EKAC
- 7.If MILK is written as KLIM, how is TREE written in the same code? (a) FFSU (b) USFF (c) DDQS (d) EERT
- 8.If MILK is written as MNKO, how is SHIP written in the same code? (a) UJKR (b) NGFQ (c) PIHS (d) RKJU
- 9.If PARK is written as SDUN, how is KITE written in the same code? (a) NLWH (b) MKVG (c) OMXI (d) HFQB
- 10.If NEST is written as UTFO, how is TREE written in the same code? (a) DDQS (b) FFSU (c) EERT (d) USFF
- 11.If MOON is written as NOOM, how is STAR written in the same code? (a) SBUT (b) TUBS (c) RATS (d) QZSR
- 12.If TREE is written as WUHH, how is PEN written in the same code? (a) RGP (b) SHQ (c) TIR (d) MBK
- 13.If TREE is written as EERT, how is KITE written in the same code? (a) LJUF (b) FUJL (c) DSHJ (d) ETIK
- 14.If FISH is written as GJTI, how is JUMP written in the same code? (a) ITLO (b) QNVK (c) KVNQ (d) LWOR
- 15.If GOLD is written as DLOG, how is HAND written in the same code? (a) IBOE (b) CMZG (c) DNAH (d) EOBI
- 16.If LION is written as NOIL, how is PEN written in the same code? (a) MDO (b) OFQ (c) QFO (d) NEP
- 17.If PEN is written as KVM, how is MOON written in the same code? (a) MKKL (b) NLLM (c) OMMN (d) NPPO
- 18.If DRUM is written as ESVN, how is LAMP written in the same code? (a) QNBM (b) MBNQ (c) KZLO (d) NCOR
- 19.If PARK is written as NYPI, how is BOOK written in the same code? (a) ANNJ (b) DQQM (c) ZMMI (d) YLLH
- 20.If COLD is written as FNQE, how is BOOK written in the same code? (a) MQQD (b) IMMZ (c) DQQM (d) KOOB
- 21.If LION is written as NOIL, how is GOLD written in the same code? (a) CKNF (b) HPME (c) EMPH (d) DLOG
- 22.If RAIN is written as TCKP, how is CAKE written in the same code? (a) ECMG (b) FDNH (c) AYIC (d) DBLF
- 23.If GOLD is written as FNQI, how is DESK written in the same code? (a) FGUM (b) KSED (c) IQCB (d) MUGF
- 24.If WIND is written as DNIW, how is NEST written in the same code? (a) UTFO (b) SRDM (c) TSEN (d) OFTU
- 25.If BOOK is written as CPPL, how is MILK written in the same code? (a) LHKJ (b) OKNM (c) LMJN (d) NJML
- 26.If NEST is written as TSEN, how is LION written in the same code? (a) MJPO (b) NOIL (c) MNHK (d) OPJM
- 27.If FISH is written as GRHE, how is SHIP written in the same code? (a) OHGR (b) RGHO (c) PIHS (d) QJIT
- 28.If KITE is written as PRGV, how is LAMP written in the same code? (a) PAOL (b) OZNK (c) NYMJ (d) MBNQ
- 29.If LAMP is written as ODPS, how is DOG written in the same code? (a) ALD (b) FQI (c) GRJ (d) HSK
- 30.If DOG is written as GOD, how is STAR written in the same code? (a) TUBS (b) SBUT (c) QZSR (d) RATS
- 31.If LION is written as MNHK, how is NEST written in the same code? (a) UTFO (b) TSEN (c) MDRS (d) SRDM
- 32.If BALL is written as CBMM, how is NEST written in the same code? (a) PGUV (b) UTFO (c) OFTU (d) MDRS
- 33.If TREE is written as EERT, how is MOON written in the same code? (a) NPPO (b) NOOM (c) OPPN (d) MNNL
- 34.If BELL is written as LLEB, how is KITE written in the same code? (a) LJUF (b) ETIK (c) FUJL (d) DSHJ
- 35.If RAIN is written as QZHM, how is NEST written in the same code? (a) MDRS (b) NEST (c) OFTU (d) LCQR
- 36.If BOOK is written as DQQM, how is RAIN written in the same code? (a) TCKP (b) PYGL (c) SBJO (d) UDLQ
- 37.If FROG is written as GSPH, how is DRUM written in the same code? (a) FTWO (b) ESVN (c) CQTL (d) NVSE
- 38.If WIND is written as DRMW, how is PARK written in the same code? (a) LAJQ (b) KZIP (c) QBSL (d) JYHO
- 39.If PEN is written as NEP, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) KVNQ (d) PMUJ
- 40.If BOAT is written as YLZG, how is CAT written in the same code? (a) DBU (b) WYF (c) XZG (d) YAH
Answer key
- IZRM
- UAQV
- DLOC
- OZNK
- JROG
- DJZB
- EERT
- RKJU
- NLWH
- FFSU
- RATS
- SHQ
- ETIK
- KVNQ
- DNAH
- NEP
- NLLM
- MBNQ
- ZMMI
- MQQD
- DLOG
- ECMG
- MUGF
- TSEN
- NJML
- NOIL
- OHGR
- OZNK
- GRJ
- RATS
- SRDM
- OFTU
- NOOM
- ETIK
- MDRS
- TCKP
- ESVN
- KZIP
- PMUJ
- XZG
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