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 KITE is written as PRGV, how is NEST written in the same code? (a) LUGF (b) MVHG (c) OFTU (d) NWIH
- 2.If DESK is written as KSED, how is LAMP written in the same code? (a) PMAL (b) QNBM (c) OLZK (d) MBNQ
- 3.If TOYS is written as WRBV, how is NEST written in the same code? (a) KBPQ (b) QHVW (c) PGUV (d) RIWX
- 4.If MILK is written as NROP, how is STAR written in the same code? (a) TUBS (b) IHAJ (c) GFYH (d) HGZI
- 5.If PARK is written as JQZO, how is HAND written in the same code? (a) DNAH (b) EOBI (c) CMZG (d) GZMC
- 6.If FISH is written as DGQF, how is MILK written in the same code? (a) OKNM (b) JFIH (c) KGJI (d) LHKJ
- 7.If MILK is written as KLIM, how is STAR written in the same code? (a) QZSR (b) RATS (c) TUBS (d) SBUT
- 8.If BALL is written as KKZA, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) OZQJ (d) JQZO
- 9.If PEN is written as MDO, how is MOON written in the same code? (a) MNNL (b) NOOM (c) LNNM (d) OPPN
- 10.If PEN is written as NEP, how is HAND written in the same code? (a) IBOE (b) EOBI (c) DNAH (d) CMZG
- 11.If MILK is written as NJML, how is LION written in the same code? (a) KHNM (b) MJPO (c) NKQP (d) OPJM
- 12.If DOG is written as HPE, how is BELL written in the same code? (a) LLEB (b) KKDA (c) MMFC (d) CFMM
- 13.If GOLD is written as TLOW, how is NEST written in the same code? (a) NWIH (b) MVHG (c) OFTU (d) LUGF
- 14.If BELL is written as LLEB, how is FISH written in the same code? (a) GJTI (b) HSIF (c) ITJG (d) GRHE
- 15.If LION is written as NOIL, how is TOYS written in the same code? (a) TZPU (b) RXNS (c) UPZT (d) SYOT
- 16.If STAR is written as QZSR, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) OZQJ (d) KRAP
- 17.If BELL is written as MMFC, how is SUN written in the same code? (a) MTR (b) OVT (c) TVO (d) NUS
- 18.If SHIP is written as UJKR, how is JUMP written in the same code? (a) MXPS (b) HSKN (c) KVNQ (d) LWOR
- 19.If FISH is written as ILVK, how is CAKE written in the same code? (a) GEOI (b) FDNH (c) ECMG (d) ZXHB
- 20.If CAT is written as SZB, how is DESK written in the same code? (a) JRDC (b) KSED (c) LTFE (d) CDRJ
- 21.If BELL is written as YVOO, how is HAND written in the same code? (a) RYLV (b) TANX (c) SZMW (d) IBOE
- 22.If CAT is written as UBD, how is STAR written in the same code? (a) QZSR (b) SBUT (c) RATS (d) TUBS
- 23.If MILK is written as NROP, how is BOAT written in the same code? (a) ZMAH (b) XKYF (c) CPBU (d) YLZG
- 24.If BOOK is written as KOOB, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) LJUF (d) FUJL
- 25.If MOON is written as NOOM, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) NIAR (d) MHZQ
- 26.If RAIN is written as TCKP, how is FROG written in the same code? (a) DPME (b) IURJ (c) GSPH (d) HTQI
- 27.If DESK is written as KSED, how is COLD written in the same code? (a) EMPD (b) DLOC (c) CKNB (d) DPME
- 28.If CAKE is written as EKAC, how is LAMP written in the same code? (a) QNBM (b) PMAL (c) OLZK (d) MBNQ
- 29.If NEST is written as TSEN, how is COLD written in the same code? (a) EMPD (b) DPME (c) DLOC (d) CKNB
- 30.If DOG is written as IQF, how is TREE written in the same code? (a) GGTV (b) CCPR (c) EERT (d) VTGG
- 31.If BALL is written as DCNN, how is BOOK written in the same code? (a) CPPL (b) ZMMI (c) ERRN (d) DQQM
- 32.If RAIN is written as NIAR, how is SHIP written in the same code? (a) QJIT (b) PIHS (c) TIJQ (d) OHGR
- 33.If DOG is written as CNF, how is LAMP written in the same code? (a) KZLO (b) MBNQ (c) JYKN (d) LAMP
- 34.If CAT is written as TAC, how is LAMP written in the same code? (a) MBNQ (b) PMAL (c) QNBM (d) OLZK
- 35.If CAKE is written as FDNH, how is DOG written in the same code? (a) ALD (b) HSK (c) FQI (d) GRJ
- 36.If COLD is written as DLOC, how is JUMP written in the same code? (a) OLTI (b) PMUJ (c) QNVK (d) KVNQ
- 37.If MOON is written as OPPN, how is GOLD written in the same code? (a) EMPH (b) HPME (c) DLOG (d) CKNF
- 38.If COLD is written as DLOC, how is SUN written in the same code? (a) NUS (b) TVO (c) MTR (d) OVT
- 39.If STAR is written as TUBS, how is BELL written in the same code? (a) MMFC (b) DGNN (c) CFMM (d) ADKK
- 40.If STAR is written as RSZQ, how is COLD written in the same code? (a) COLD (b) BNKC (c) AMJB (d) DPME
Answer key
- MVHG
- PMAL
- QHVW
- HGZI
- CMZG
- KGJI
- RATS
- JQZO
- MNNL
- DNAH
- MJPO
- MMFC
- MVHG
- HSIF
- SYOT
- JQZO
- OVT
- LWOR
- FDNH
- JRDC
- SZMW
- SBUT
- YLZG
- ETIK
- NIAR
- HTQI
- DLOC
- PMAL
- DLOC
- GGTV
- DQQM
- PIHS
- KZLO
- PMAL
- GRJ
- PMUJ
- EMPH
- NUS
- CFMM
- BNKC
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