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 HAND is written as DNAH, how is TREE written in the same code? (a) DDQS (b) EERT (c) FFSU (d) USFF
- 2.If CAKE is written as FLBD, how is GOLD written in the same code? (a) DLOG (b) HPME (c) CKNF (d) EMPH
- 3.If LION is written as OPJM, how is TOYS written in the same code? (a) RXNS (b) UPZT (c) SYOT (d) TZPU
- 4.If PARK is written as JQZO, how is BELL written in the same code? (a) MMFC (b) LLEB (c) KKDA (d) ADKK
- 5.If CAT is written as XZG, how is GOLD written in the same code? (a) HPME (b) UMPX (c) TLOW (d) SKNV
- 6.If DESK is written as WVHP, how is HAND written in the same code? (a) TANX (b) RYLV (c) IBOE (d) SZMW
- 7.If CAT is written as XZG, how is SUN written in the same code? (a) IGN (b) TVO (c) GEL (d) HFM
- 8.If BOOK is written as YLLP, how is FROG written in the same code? (a) THKS (b) GSPH (c) VJMU (d) UILT
- 9.If COLD is written as DPME, how is DOG written in the same code? (a) CNF (b) FQI (c) HPE (d) EPH
- 10.If KITE is written as NLWH, how is CAKE written in the same code? (a) GEOI (b) ZXHB (c) FDNH (d) ECMG
- 11.If WIND is written as EOJX, how is SHIP written in the same code? (a) TIJQ (b) PIHS (c) OHGR (d) QJIT
- 12.If FROG is written as FNQE, how is SUN written in the same code? (a) MTR (b) OVT (c) RTM (d) NUS
- 13.If WIND is written as DNIW, how is DOG written in the same code? (a) HPE (b) EPH (c) GOD (d) FNC
- 14.If SUN is written as RTM, how is FISH written in the same code? (a) DGQF (b) FISH (c) EHRG (d) GJTI
- 15.If CAT is written as XZG, how is BOAT written in the same code? (a) YLZG (b) ZMAH (c) CPBU (d) XKYF
- 16.If HAND is written as DNAH, how is SUN written in the same code? (a) OVT (b) NUS (c) MTR (d) TVO
- 17.If RAIN is written as MHZQ, how is JUMP written in the same code? (a) ITLO (b) PMUJ (c) OLTI (d) QNVK
- 18.If KITE is written as PRGV, how is DESK written in the same code? (a) XWIQ (b) VUGO (c) EFTL (d) WVHP
- 19.If KITE is written as JHSD, how is PEN written in the same code? (a) PEN (b) QFO (c) NCL (d) ODM
- 20.If SUN is written as NUS, how is DOG written in the same code? (a) GOD (b) HPE (c) FNC (d) EPH
- 21.If SUN is written as UWP, how is DRUM written in the same code? (a) FTWO (b) BPSK (c) GUXP (d) ESVN
- 22.If COLD is written as XLOW, how is LION written in the same code? (a) NQKL (b) PSMN (c) MJPO (d) ORLM
- 23.If GOLD is written as CKNF, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) JHSD (d) ETIK
- 24.If BOOK is written as KOOB, how is FROG written in the same code? (a) GSPH (b) GORF (c) HPSG (d) FNQE
- 25.If GOLD is written as TLOW, how is TREE written in the same code? (a) GIVV (b) HJWW (c) FHUU (d) USFF
- 26.If GOLD is written as TLOW, how is DOG written in the same code? (a) XMU (b) VKS (c) WLT (d) EPH
- 27.If LAMP is written as PMAL, how is NEST written in the same code? (a) SRDM (b) UTFO (c) OFTU (d) TSEN
- 28.If NEST is written as UTFO, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) ETIK (d) LJUF
- 29.If LION is written as ORLM, how is DRUM written in the same code? (a) WIFN (b) ESVN (c) XJGO (d) VHEM
- 30.If SUN is written as OVT, how is FISH written in the same code? (a) ITJG (b) GJTI (c) GRHE (d) HSIF
- 31.If PEN is written as MDO, how is BELL written in the same code? (a) KKDA (b) MMFC (c) LLEB (d) ADKK
- 32.If NEST is written as TSEN, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) KOOB (d) CPPL
- 33.If BALL is written as LLAB, how is CAKE written in the same code? (a) EKAC (b) DBLF (c) FLBD (d) DJZB
- 34.If PEN is written as QFO, how is BALL written in the same code? (a) DCNN (b) CBMM (c) AZKK (d) MMBC
- 35.If SUN is written as MTR, how is SHIP written in the same code? (a) PIHS (b) OHGR (c) QJIT (d) RGHO
- 36.If BOOK is written as YLLP, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) TIJQ (d) HSRK
- 37.If GOLD is written as DLOG, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) QBSL (d) KRAP
- 38.If TOYS is written as WRBV, how is GOLD written in the same code? (a) KSPH (b) DLIA (c) IQNF (d) JROG
- 39.If JUMP is written as QFNK, how is HAND written in the same code? (a) IBOE (b) RYLV (c) SZMW (d) TANX
- 40.If COLD is written as XLOW, how is CAKE written in the same code? (a) YAQW (b) XZPV (c) WYOU (d) DBLF
Answer key
- EERT
- EMPH
- TZPU
- KKDA
- TLOW
- SZMW
- HFM
- UILT
- EPH
- FDNH
- QJIT
- MTR
- GOD
- EHRG
- YLZG
- NUS
- OLTI
- WVHP
- ODM
- GOD
- FTWO
- ORLM
- DSHJ
- GORF
- GIVV
- WLT
- TSEN
- FUJL
- WIFN
- ITJG
- KKDA
- KOOB
- EKAC
- CBMM
- OHGR
- HSRK
- KRAP
- JROG
- SZMW
- XZPV
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