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 FROG is written as FNQE, how is TREE written in the same code? (a) FFSU (b) DDQS (c) EERT (d) SQDD
- 2.If WIND is written as ZLQG, how is SHIP written in the same code? (a) WLMT (b) UJKR (c) VKLS (d) PEFM
- 3.If HAND is written as DNAH, how is COLD written in the same code? (a) CKNB (b) EMPD (c) DPME (d) DLOC
- 4.If BOOK is written as ZMMI, how is WIND written in the same code? (a) TFKA (b) YKPF (c) VHMC (d) UGLB
- 5.If JUMP is written as QFNK, how is TOYS written in the same code? (a) FKAG (b) GLBH (c) HMCI (d) UPZT
- 6.If FISH is written as HSIF, how is FROG written in the same code? (a) GSPH (b) GORF (c) HPSG (d) FNQE
- 7.If DRUM is written as NVSE, how is NEST written in the same code? (a) TSEN (b) OFTU (c) UTFO (d) SRDM
- 8.If CAT is written as FDW, how is JUMP written in the same code? (a) MXPS (b) GRJM (c) NYQT (d) LWOR
- 9.If SUN is written as HFM, how is LION written in the same code? (a) MJPO (b) NQKL (c) ORLM (d) PSMN
- 10.If CAT is written as TAC, how is JUMP written in the same code? (a) KVNQ (b) OLTI (c) PMUJ (d) QNVK
- 11.If SUN is written as UWP, how is KITE written in the same code? (a) NLWH (b) IGRC (c) LJUF (d) MKVG
- 12.If BOAT is written as DQCV, how is SHIP written in the same code? (a) QFGN (b) TIJQ (c) UJKR (d) VKLS
- 13.If HAND is written as JCPF, how is STAR written in the same code? (a) UVCT (b) QRYP (c) TUBS (d) VWDU
- 14.If GOLD is written as CKNF, how is DOG written in the same code? (a) HPE (b) FNC (c) CNF (d) GOD
- 15.If HAND is written as DNAH, how is JUMP written in the same code? (a) QNVK (b) PMUJ (c) OLTI (d) KVNQ
- 16.If BALL is written as KKZA, how is CAT written in the same code? (a) UBD (b) BZS (c) SZB (d) TAC
- 17.If TOYS is written as SYOT, how is CAKE written in the same code? (a) DJZB (b) DBLF (c) FLBD (d) EKAC
- 18.If TOYS is written as WRBV, how is CAKE written in the same code? (a) GEOI (b) ECMG (c) ZXHB (d) FDNH
- 19.If FISH is written as HSIF, how is BALL written in the same code? (a) MMBC (b) CBMM (c) LLAB (d) KKZA
- 20.If PARK is written as MTCR, how is BELL written in the same code? (a) DGNN (b) JJCZ (c) NNGD (d) LLEB
- 21.If BALL is written as NNCD, how is KITE written in the same code? (a) MKVG (b) CRGI (c) GVKM (d) ETIK
- 22.If SUN is written as NUS, how is PEN written in the same code? (a) QFO (b) MDO (c) NEP (d) OFQ
- 23.If PARK is written as MTCR, how is TREE written in the same code? (a) CCPR (b) EERT (c) GGTV (d) VTGG
- 24.If COLD is written as DLOC, how is NEST written in the same code? (a) SRDM (b) OFTU (c) TSEN (d) UTFO
- 25.If LION is written as MNHK, how is TREE written in the same code? (a) EERT (b) FFSU (c) SQDD (d) DDQS
- 26.If BELL is written as EHOO, how is SUN written in the same code? (a) PRK (b) WYR (c) VXQ (d) UWP
- 27.If LION is written as MNHK, how is DESK written in the same code? (a) JRDC (b) KSED (c) CDRJ (d) LTFE
- 28.If DESK is written as WVHP, how is TREE written in the same code? (a) HJWW (b) GIVV (c) FHUU (d) USFF
- 29.If JUMP is written as HSKN, how is WIND written in the same code? (a) UGLB (b) VHMC (c) YKPF (d) TFKA
- 30.If WIND is written as CMHV, how is CAKE written in the same code? (a) EKAC (b) DJZB (c) BZJD (d) FLBD
- 31.If RAIN is written as PYGL, how is STAR written in the same code? (a) RSZQ (b) QRYP (c) UVCT (d) PQXO
- 32.If STAR is written as HGZI, how is DOG written in the same code? (a) EPH (b) WLT (c) XMU (d) VKS
- 33.If FISH is written as URHS, how is TREE written in the same code? (a) FHUU (b) HJWW (c) USFF (d) GIVV
- 34.If FROG is written as GORF, how is NEST written in the same code? (a) SRDM (b) TSEN (c) UTFO (d) OFTU
- 35.If TOYS is written as VQAU, how is PEN written in the same code? (a) QFO (b) NCL (c) SHQ (d) RGP
- 36.If CAKE is written as XZPV, how is PEN written in the same code? (a) JUL (b) LWN (c) QFO (d) KVM
- 37.If SUN is written as NUS, how is TREE written in the same code? (a) USFF (b) EERT (c) FFSU (d) DDQS
- 38.If TOYS is written as GLBH, how is WIND written in the same code? (a) ESNX (b) DRMW (c) CQLV (d) XJOE
- 39.If DESK is written as WVHP, how is PEN written in the same code? (a) LWN (b) JUL (c) QFO (d) KVM
- 40.If LAMP is written as ODPS, how is DRUM written in the same code? (a) GUXP (b) FTWO (c) HVYQ (d) AORJ
Answer key
- DDQS
- VKLS
- DLOC
- UGLB
- GLBH
- GORF
- UTFO
- MXPS
- ORLM
- PMUJ
- MKVG
- UJKR
- UVCT
- FNC
- PMUJ
- SZB
- EKAC
- FDNH
- LLAB
- NNGD
- GVKM
- NEP
- GGTV
- TSEN
- DDQS
- VXQ
- JRDC
- GIVV
- UGLB
- DJZB
- QRYP
- WLT
- GIVV
- TSEN
- RGP
- KVM
- EERT
- DRMW
- KVM
- GUXP
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