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 SUN is written as PWU, how is JUMP written in the same code? (a) PMUJ (b) LWOR (c) NKSH (d) ROWL
- 2.If CAT is written as TAC, how is STAR written in the same code? (a) SBUT (b) TUBS (c) QZSR (d) RATS
- 3.If MILK is written as NROP, how is BELL written in the same code? (a) ZWPP (b) CFMM (c) YVOO (d) XUNN
- 4.If PEN is written as RGP, how is DOG written in the same code? (a) GRJ (b) FQI (c) BME (d) EPH
- 5.If SUN is written as TVO, how is FROG written in the same code? (a) HTQI (b) EQNF (c) HPSG (d) GSPH
- 6.If GOLD is written as IQNF, how is JUMP written in the same code? (a) LWOR (b) MXPS (c) KVNQ (d) HSKN
- 7.If SHIP is written as PIHS, how is LAMP written in the same code? (a) MBNQ (b) QNBM (c) OLZK (d) PMAL
- 8.If BOAT is written as SZNA, how is FROG written in the same code? (a) HPSG (b) EQNF (c) FNQE (d) GORF
- 9.If TOYS is written as TZPU, how is SUN written in the same code? (a) NUS (b) TVO (c) MTR (d) OVT
- 10.If DOG is written as BME, how is TOYS written in the same code? (a) RMWQ (b) VQAU (c) SNXR (d) QLVP
- 11.If RAIN is written as SBJO, how is SHIP written in the same code? (a) TIJQ (b) UJKR (c) QJIT (d) RGHO
- 12.If TREE is written as GGTV, how is MILK written in the same code? (a) OKNM (b) IJGK (c) KLIM (d) MNKO
- 13.If BELL is written as LLEB, how is SUN written in the same code? (a) TVO (b) OVT (c) MTR (d) NUS
- 14.If TREE is written as GIVV, how is DOG written in the same code? (a) EPH (b) XMU (c) WLT (d) VKS
- 15.If GOLD is written as TLOW, how is CAT written in the same code? (a) XZG (b) WYF (c) YAH (d) DBU
- 16.If CAT is written as XZG, how is COLD written in the same code? (a) YMPX (b) WKNV (c) DPME (d) XLOW
- 17.If DOG is written as BME, how is MOON written in the same code? (a) LNNM (b) KMML (c) JLLK (d) OQQP
- 18.If HAND is written as SZMW, how is DESK written in the same code? (a) XWIQ (b) WVHP (c) VUGO (d) EFTL
- 19.If GOLD is written as CKNF, how is DRUM written in the same code? (a) CQTL (b) NVSE (c) MURD (d) LTQC
- 20.If STAR is written as HGZI, how is FISH written in the same code? (a) TQGR (b) VSIT (c) URHS (d) GJTI
- 21.If JUMP is written as PMUJ, how is DRUM written in the same code? (a) ESVN (b) LTQC (c) NVSE (d) MURD
- 22.If GOLD is written as DLOG, how is BOOK written in the same code? (a) KOOB (b) LPPC (c) CPPL (d) JNNA
- 23.If MILK is written as JKHL, how is BOAT written in the same code? (a) UBPC (b) SZNA (c) ANZS (d) TAOB
- 24.If TREE is written as EERT, how is CAKE written in the same code? (a) DBLF (b) DJZB (c) FLBD (d) EKAC
- 25.If BOOK is written as KOOB, how is HAND written in the same code? (a) CMZG (b) EOBI (c) DNAH (d) IBOE
- 26.If HAND is written as FPCJ, how is BOOK written in the same code? (a) DQQM (b) IMMZ (c) KOOB (d) MQQD
- 27.If BOAT is written as YLZG, how is NEST written in the same code? (a) MVHG (b) LUGF (c) NWIH (d) OFTU
- 28.If MILK is written as NROP, how is BOAT written in the same code? (a) XKYF (b) ZMAH (c) YLZG (d) CPBU
- 29.If BOAT is written as TAOB, how is GOLD written in the same code? (a) CKNF (b) HPME (c) EMPH (d) DLOG
- 30.If FROG is written as GORF, how is BOAT written in the same code? (a) SZNA (b) UBPC (c) CPBU (d) TAOB
- 31.If TREE is written as GIVV, how is LAMP written in the same code? (a) PAOL (b) MBNQ (c) OZNK (d) NYMJ
- 32.If MOON is written as NLLM, how is JUMP written in the same code? (a) QFNK (b) KVNQ (c) RGOL (d) PEMJ
- 33.If CAT is written as VCE, how is RAIN written in the same code? (a) TCKP (b) LGYP (c) PKCT (d) NIAR
- 34.If STAR is written as HGZI, how is DOG written in the same code? (a) VKS (b) XMU (c) WLT (d) EPH
- 35.If PARK is written as SDUN, how is DRUM written in the same code? (a) GUXP (b) AORJ (c) FTWO (d) HVYQ
- 36.If PEN is written as NCL, how is JUMP written in the same code? (a) LWOR (b) HSKN (c) ITLO (d) GRJM
- 37.If JUMP is written as MXPS, how is BALL written in the same code? (a) FEPP (b) EDOO (c) YXII (d) DCNN
- 38.If WIND is written as CMHV, how is CAKE written in the same code? (a) FLBD (b) BZJD (c) DJZB (d) EKAC
- 39.If COLD is written as FNQE, how is HAND written in the same code? (a) JCPF (b) FPCJ (c) BLYF (d) DNAH
- 40.If WIND is written as FPKY, how is BOAT written in the same code? (a) TAOB (b) VCQD (c) RYMZ (d) DQCV
Answer key
- ROWL
- RATS
- YVOO
- FQI
- GSPH
- LWOR
- PMAL
- FNQE
- OVT
- RMWQ
- TIJQ
- MNKO
- NUS
- WLT
- XZG
- XLOW
- KMML
- WVHP
- LTQC
- URHS
- MURD
- KOOB
- SZNA
- EKAC
- DNAH
- MQQD
- MVHG
- YLZG
- DLOG
- TAOB
- OZNK
- QFNK
- PKCT
- WLT
- GUXP
- HSKN
- EDOO
- DJZB
- FPCJ
- VCQD
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