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 DESK is written as WVHP, how is DOG written in the same code? (a) XMU (b) VKS (c) EPH (d) WLT
- 2.If TOYS is written as UPZT, how is TREE written in the same code? (a) FFSU (b) SQDD (c) VTGG (d) USFF
- 3.If LION is written as OPJM, how is TREE written in the same code? (a) FFSU (b) USFF (c) DDQS (d) EERT
- 4.If DRUM is written as GUXP, how is CAKE written in the same code? (a) GEOI (b) ECMG (c) ZXHB (d) FDNH
- 5.If GOLD is written as TLOW, how is BALL written in the same code? (a) ZAPP (b) XYNN (c) CBMM (d) YZOO
- 6.If MOON is written as NOOM, how is BOAT written in the same code? (a) TAOB (b) CPBU (c) SZNA (d) UBPC
- 7.If COLD is written as DPME, how is DESK written in the same code? (a) CDRJ (b) EFTL (c) LTFE (d) FGUM
- 8.If PEN is written as MDO, how is FROG written in the same code? (a) HPSG (b) GORF (c) EQNF (d) FNQE
- 9.If BOOK is written as YLLP, how is FISH written in the same code? (a) URHS (b) GJTI (c) TQGR (d) VSIT
- 10.If WIND is written as DRMW, how is FISH written in the same code? (a) TQGR (b) URHS (c) GJTI (d) VSIT
- 11.If BOOK is written as JNNA, how is MILK written in the same code? (a) KLIM (b) LMJN (c) JKHL (d) LHKJ
- 12.If DRUM is written as BPSK, how is CAT written in the same code? (a) ECV (b) BZS (c) ZXQ (d) AYR
- 13.If MOON is written as NOOM, how is GOLD written in the same code? (a) HPME (b) DLOG (c) CKNF (d) EMPH
- 14.If BOOK is written as KOOB, how is TREE written in the same code? (a) FFSU (b) EERT (c) DDQS (d) USFF
- 15.If SUN is written as HFM, how is DRUM written in the same code? (a) VHEM (b) ESVN (c) XJGO (d) WIFN
- 16.If DOG is written as WLT, how is CAT written in the same code? (a) YAH (b) WYF (c) XZG (d) DBU
- 17.If CAKE is written as BZJD, how is HAND written in the same code? (a) FYLB (b) IBOE (c) GZMC (d) HAND
- 18.If CAKE is written as EKAC, how is NEST written in the same code? (a) OFTU (b) UTFO (c) TSEN (d) SRDM
- 19.If SHIP is written as RGHO, how is TOYS written in the same code? (a) RMWQ (b) TOYS (c) SNXR (d) UPZT
- 20.If DOG is written as FQI, how is BALL written in the same code? (a) DCNN (b) EDOO (c) CBMM (d) ZYJJ
- 21.If PEN is written as KVM, how is MILK written in the same code? (a) NJML (b) NROP (c) MQNO (d) OSPQ
- 22.If STAR is written as RSZQ, how is KITE written in the same code? (a) LJUF (b) KITE (c) IGRC (d) JHSD
- 23.If NEST is written as TSEN, how is CAT written in the same code? (a) UBD (b) SZB (c) TAC (d) DBU
- 24.If NEST is written as MDRS, how is SUN written in the same code? (a) QSL (b) RTM (c) SUN (d) TVO
- 25.If SHIP is written as UJKR, how is COLD written in the same code? (a) EQNF (b) DPME (c) FROG (d) AMJB
- 26.If PEN is written as SHQ, how is STAR written in the same code? (a) UVCT (b) PQXO (c) WXEV (d) VWDU
- 27.If BOOK is written as ERRN, how is BALL written in the same code? (a) YXII (b) DCNN (c) FEPP (d) EDOO
- 28.If LION is written as MJPO, how is FISH written in the same code? (a) EHRG (b) ITJG (c) GJTI (d) HKUJ
- 29.If BALL is written as YZOO, how is TOYS written in the same code? (a) HMCI (b) UPZT (c) FKAG (d) GLBH
- 30.If CAT is written as XZG, how is PEN written in the same code? (a) JUL (b) QFO (c) LWN (d) KVM
- 31.If MOON is written as KMML, how is BELL written in the same code? (a) DGNN (b) ADKK (c) ZCJJ (d) YBII
- 32.If BELL is written as EHOO, how is JUMP written in the same code? (a) GRJM (b) NYQT (c) LWOR (d) MXPS
- 33.If BOAT is written as ZMYR, how is DESK written in the same code? (a) FGUM (b) ABPH (c) CDRJ (d) BCQI
- 34.If GOLD is written as FNQI, how is COLD written in the same code? (a) DLOC (b) BJMA (c) FNQE (d) EQNF
- 35.If BALL is written as LLAB, how is PARK written in the same code? (a) QBSL (b) JQZO (c) LSBQ (d) KRAP
- 36.If BOAT is written as DQCV, how is LAMP written in the same code? (a) JYKN (b) ODPS (c) MBNQ (d) NCOR
- 37.If WIND is written as ZLQG, how is TREE written in the same code? (a) VTGG (b) QOBB (c) XVII (d) WUHH
- 38.If PEN is written as NEP, how is TREE written in the same code? (a) USFF (b) FFSU (c) EERT (d) DDQS
- 39.If MOON is written as NOOM, how is NEST written in the same code? (a) OFTU (b) SRDM (c) UTFO (d) TSEN
- 40.If GOLD is written as FNQI, how is BELL written in the same code? (a) DGNN (b) JJCZ (c) LLEB (d) NNGD
Answer key
- WLT
- USFF
- FFSU
- FDNH
- YZOO
- TAOB
- EFTL
- FNQE
- URHS
- URHS
- JKHL
- AYR
- DLOG
- EERT
- WIFN
- XZG
- GZMC
- TSEN
- SNXR
- DCNN
- NROP
- JHSD
- TAC
- RTM
- EQNF
- VWDU
- EDOO
- GJTI
- GLBH
- KVM
- ZCJJ
- MXPS
- BCQI
- FNQE
- KRAP
- NCOR
- WUHH
- EERT
- TSEN
- NNGD
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