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 DRUM is written as OWTF, how is DOG written in the same code? (a) GOD (b) FQI (c) IQF (d) EMB
- 2.If CAKE is written as FLBD, how is FISH written in the same code? (a) GJTI (b) HSIF (c) GRHE (d) ITJG
- 3.If DRUM is written as MURD, how is WIND written in the same code? (a) DNIW (b) CMHV (c) EOJX (d) XJOE
- 4.If TREE is written as USFF, how is BALL written in the same code? (a) MMBC (b) CBMM (c) AZKK (d) DCNN
- 5.If TREE is written as VTGG, how is BALL written in the same code? (a) CBMM (b) DCNN (c) ZYJJ (d) EDOO
- 6.If DOG is written as FQI, how is TREE written in the same code? (a) WUHH (b) RPCC (c) USFF (d) VTGG
- 7.If DOG is written as CNF, how is BOAT written in the same code? (a) CPBU (b) BOAT (c) ZMYR (d) ANZS
- 8.If MOON is written as NLLM, how is NEST written in the same code? (a) NWIH (b) LUGF (c) OFTU (d) MVHG
- 9.If BOAT is written as DQCV, how is SUN written in the same code? (a) VXQ (b) QSL (c) UWP (d) TVO
- 10.If KITE is written as GVKM, how is PEN written in the same code? (a) PGR (b) RGP (c) NEP (d) LCN
- 11.If JUMP is written as MXPS, how is PARK written in the same code? (a) SDUN (b) MXOH (c) TEVO (d) RCTM
- 12.If LAMP is written as QNBM, how is SUN written in the same code? (a) NUS (b) TVO (c) OVT (d) MTR
- 13.If FISH is written as DGQF, how is CAT written in the same code? (a) ECV (b) AYR (c) BZS (d) ZXQ
- 14.If TREE is written as EERT, how is DRUM written in the same code? (a) NVSE (b) MURD (c) LTQC (d) ESVN
- 15.If BOAT is written as SZNA, how is DRUM written in the same code? (a) NVSE (b) CQTL (c) MURD (d) LTQC
- 16.If JUMP is written as MXPS, how is RAIN written in the same code? (a) OXFK (b) TCKP (c) UDLQ (d) VEMR
- 17.If BALL is written as MMBC, how is PARK written in the same code? (a) QBSL (b) KRAP (c) LSBQ (d) JQZO
- 18.If SUN is written as OVT, how is FISH written in the same code? (a) GJTI (b) GRHE (c) ITJG (d) HSIF
- 19.If KITE is written as JHSD, how is MILK written in the same code? (a) KGJI (b) LHKJ (c) MILK (d) NJML
- 20.If DESK is written as WVHP, how is TOYS written in the same code? (a) UPZT (b) GLBH (c) HMCI (d) FKAG
- 21.If BELL is written as DGNN, how is CAT written in the same code? (a) ECV (b) DBU (c) FDW (d) AYR
- 22.If MILK is written as KLIM, how is BALL written in the same code? (a) MMBC (b) KKZA (c) CBMM (d) LLAB
- 23.If SUN is written as OVT, how is LION written in the same code? (a) MNHK (b) OPJM (c) NOIL (d) MJPO
- 24.If SUN is written as HFM, how is JUMP written in the same code? (a) PEMJ (b) QFNK (c) RGOL (d) KVNQ
- 25.If SUN is written as QSL, how is TOYS written in the same code? (a) SNXR (b) RMWQ (c) VQAU (d) QLVP
- 26.If MOON is written as NOOM, how is BELL written in the same code? (a) CFMM (b) MMFC (c) LLEB (d) KKDA
- 27.If GOLD is written as TLOW, how is DOG written in the same code? (a) WLT (b) XMU (c) EPH (d) VKS
- 28.If BOOK is written as YLLP, how is MOON written in the same code? (a) OMMN (b) MKKL (c) NPPO (d) NLLM
- 29.If LION is written as OLRQ, how is DESK written in the same code? (a) GHVN (b) HIWO (c) ABPH (d) FGUM
- 30.If WIND is written as FPKY, how is HAND written in the same code? (a) BLYF (b) DNAH (c) JCPF (d) FPCJ
- 31.If CAT is written as UBD, how is BOOK written in the same code? (a) KOOB (b) JNNA (c) LPPC (d) CPPL
- 32.If MILK is written as OKNM, how is TREE written in the same code? (a) USFF (b) VTGG (c) WUHH (d) RPCC
- 33.If TOYS is written as SNXR, how is PEN written in the same code? (a) ODM (b) QFO (c) PEN (d) NCL
- 34.If CAKE is written as DJZB, how is FISH written in the same code? (a) EHRG (b) HSIF (c) ITJG (d) GRHE
- 35.If BOAT is written as TAOB, how is FISH written in the same code? (a) ITJG (b) GRHE (c) GJTI (d) HSIF
- 36.If MILK is written as JKHL, how is COLD written in the same code? (a) BNKC (b) CKNB (c) EMPD (d) DLOC
- 37.If WIND is written as DRMW, how is GOLD written in the same code? (a) HPME (b) TLOW (c) UMPX (d) SKNV
- 38.If BALL is written as YZOO, how is LAMP written in the same code? (a) MBNQ (b) NYMJ (c) OZNK (d) PAOL
- 39.If BELL is written as ADKK, how is COLD written in the same code? (a) AMJB (b) COLD (c) DPME (d) BNKC
- 40.If LION is written as MJPO, how is TOYS written in the same code? (a) UPZT (b) VQAU (c) TZPU (d) SNXR
Answer key
- IQF
- ITJG
- DNIW
- CBMM
- DCNN
- VTGG
- ANZS
- MVHG
- UWP
- PGR
- SDUN
- OVT
- AYR
- MURD
- LTQC
- UDLQ
- LSBQ
- ITJG
- LHKJ
- GLBH
- ECV
- LLAB
- OPJM
- QFNK
- RMWQ
- LLEB
- WLT
- NLLM
- GHVN
- FPCJ
- LPPC
- VTGG
- ODM
- GRHE
- HSIF
- CKNB
- TLOW
- OZNK
- BNKC
- UPZT
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