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 MILK is written as NROP, how is JUMP written in the same code? (a) PEMJ (b) RGOL (c) KVNQ (d) QFNK
- 2.If BOOK is written as KOOB, how is TREE written in the same code? (a) FFSU (b) USFF (c) EERT (d) DDQS
- 3.If HAND is written as DNAH, how is MILK written in the same code? (a) LMJN (b) JKHL (c) KLIM (d) NJML
- 4.If TOYS is written as TZPU, how is GOLD written in the same code? (a) HPME (b) DLOG (c) EMPH (d) CKNF
- 5.If BOOK is written as YLLP, how is PARK written in the same code? (a) KZIP (b) LAJQ (c) JYHO (d) QBSL
- 6.If NEST is written as MDRS, how is TOYS written in the same code? (a) SNXR (b) TOYS (c) RMWQ (d) UPZT
- 7.If WIND is written as UGLB, how is HAND written in the same code? (a) EXKA (b) FYLB (c) JCPF (d) GZMC
- 8.If TOYS is written as GLBH, how is BALL written in the same code? (a) CBMM (b) YZOO (c) ZAPP (d) XYNN
- 9.If COLD is written as DLOC, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) PIHS (d) OHGR
- 10.If PARK is written as NYPI, how is SUN written in the same code? (a) QSL (b) RTM (c) UWP (d) PRK
- 11.If JUMP is written as QFNK, how is GOLD written in the same code? (a) HPME (b) TLOW (c) SKNV (d) UMPX
- 12.If BELL is written as ZCJJ, how is LION written in the same code? (a) JGML (b) NKQP (c) IFLK (d) KHNM
- 13.If STAR is written as HGZI, how is NEST written in the same code? (a) OFTU (b) LUGF (c) NWIH (d) MVHG
- 14.If SUN is written as MTR, how is LION written in the same code? (a) OPJM (b) NOIL (c) MNHK (d) KHNM
- 15.If MILK is written as LMJN, how is MOON written in the same code? (a) NPPO (b) OPPN (c) NOOM (d) MNNL
- 16.If MILK is written as KLIM, how is LION written in the same code? (a) OPJM (b) NOIL (c) MNHK (d) MJPO
- 17.If HAND is written as DNAH, how is CAT written in the same code? (a) UBD (b) DBU (c) TAC (d) SZB
- 18.If BELL is written as YVOO, how is TOYS written in the same code? (a) HMCI (b) UPZT (c) GLBH (d) FKAG
- 19.If MILK is written as LMJN, how is LAMP written in the same code? (a) MBNQ (b) PMAL (c) OLZK (d) QNBM
- 20.If MOON is written as NPPO, how is MILK written in the same code? (a) LHKJ (b) NJML (c) LMJN (d) OKNM
- 21.If TOYS is written as TZPU, how is BELL written in the same code? (a) MMFC (b) LLEB (c) KKDA (d) CFMM
- 22.If TREE is written as USFF, how is PARK written in the same code? (a) RCTM (b) LSBQ (c) QBSL (d) OZQJ
- 23.If SUN is written as HFM, how is MILK written in the same code? (a) NJML (b) OSPQ (c) MQNO (d) NROP
- 24.If MILK is written as KLIM, how is TOYS written in the same code? (a) TZPU (b) UPZT (c) SYOT (d) RXNS
- 25.If SHIP is written as QFGN, how is TREE written in the same code? (a) SQDD (b) QOBB (c) VTGG (d) RPCC
- 26.If BOOK is written as YLLP, how is BALL written in the same code? (a) YZOO (b) ZAPP (c) CBMM (d) XYNN
- 27.If BELL is written as MMFC, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) NIAR (d) MHZQ
- 28.If MILK is written as KGJI, how is BELL written in the same code? (a) ZCJJ (b) YBII (c) DGNN (d) ADKK
- 29.If BOOK is written as ERRN, how is BALL written in the same code? (a) EDOO (b) YXII (c) FEPP (d) DCNN
- 30.If TOYS is written as RXNS, how is DRUM written in the same code? (a) LTQC (b) CQTL (c) MURD (d) NVSE
- 31.If GOLD is written as DLOG, how is MOON written in the same code? (a) OPPN (b) MNNL (c) NPPO (d) NOOM
- 32.If MOON is written as NLLM, how is COLD written in the same code? (a) XLOW (b) WKNV (c) YMPX (d) DPME
- 33.If BELL is written as ADKK, how is BOOK written in the same code? (a) CPPL (b) BOOK (c) ANNJ (d) ZMMI
- 34.If CAKE is written as EKAC, how is BELL written in the same code? (a) LLEB (b) KKDA (c) CFMM (d) MMFC
- 35.If MILK is written as OKNM, how is BALL written in the same code? (a) EDOO (b) DCNN (c) CBMM (d) ZYJJ
- 36.If MOON is written as MNNL, how is DOG written in the same code? (a) CNF (b) GOD (c) HPE (d) FNC
- 37.If LION is written as MJPO, how is MILK written in the same code? (a) LMJN (b) OKNM (c) LHKJ (d) NJML
- 38.If NEST is written as MVHG, how is WIND written in the same code? (a) XJOE (b) ESNX (c) DRMW (d) CQLV
- 39.If WIND is written as DNIW, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) LJUF (d) FUJL
- 40.If MOON is written as NLLM, how is LION written in the same code? (a) ORLM (b) NQKL (c) MJPO (d) PSMN
Answer key
- QFNK
- EERT
- KLIM
- EMPH
- KZIP
- SNXR
- FYLB
- YZOO
- PIHS
- QSL
- TLOW
- JGML
- MVHG
- MNHK
- OPPN
- NOIL
- TAC
- GLBH
- QNBM
- NJML
- MMFC
- QBSL
- NROP
- SYOT
- RPCC
- YZOO
- OJBS
- ZCJJ
- EDOO
- LTQC
- NOOM
- XLOW
- ANNJ
- LLEB
- DCNN
- FNC
- NJML
- DRMW
- ETIK
- ORLM
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