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 WIND is written as VHMC, how is CAKE written in the same code? (a) AYIC (b) BZJD (c) CAKE (d) DBLF
- 2.If MOON is written as NLLM, how is MILK written in the same code? (a) MQNO (b) NROP (c) OSPQ (d) NJML
- 3.If SHIP is written as RKJU, how is RAIN written in the same code? (a) TCKP (b) PKCT (c) NIAR (d) LGYP
- 4.If MILK is written as MNKO, how is TREE written in the same code? (a) CCPR (b) GGTV (c) VTGG (d) EERT
- 5.If RAIN is written as SBJO, how is JUMP written in the same code? (a) LWOR (b) QNVK (c) KVNQ (d) ITLO
- 6.If TOYS is written as SYOT, how is BELL written in the same code? (a) MMFC (b) LLEB (c) KKDA (d) CFMM
- 7.If LAMP is written as OZNK, how is CAT written in the same code? (a) DBU (b) YAH (c) WYF (d) XZG
- 8.If WIND is written as YKPF, how is DOG written in the same code? (a) BME (b) FQI (c) GRJ (d) EPH
- 9.If BOOK is written as KOOB, how is KITE written in the same code? (a) FUJL (b) DSHJ (c) LJUF (d) ETIK
- 10.If MILK is written as PLON, how is CAT written in the same code? (a) ECV (b) ZXQ (c) FDW (d) GEX
- 11.If CAKE is written as ECMG, how is PARK written in the same code? (a) NYPI (b) QBSL (c) SDUN (d) RCTM
- 12.If DRUM is written as MURD, how is MILK written in the same code? (a) LMJN (b) NJML (c) JKHL (d) KLIM
- 13.If CAT is written as XZG, how is DESK written in the same code? (a) XWIQ (b) WVHP (c) EFTL (d) VUGO
- 14.If STAR is written as RSZQ, how is BALL written in the same code? (a) ZYJJ (b) CBMM (c) AZKK (d) BALL
- 15.If MILK is written as KGJI, how is TREE written in the same code? (a) VTGG (b) RPCC (c) QOBB (d) SQDD
- 16.If LION is written as KHNM, how is BOAT written in the same code? (a) ZMYR (b) CPBU (c) ANZS (d) BOAT
- 17.If CAT is written as TAC, how is FROG written in the same code? (a) GORF (b) HPSG (c) GSPH (d) FNQE
- 18.If MILK is written as KLIM, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) KRAP (d) QBSL
- 19.If TREE is written as GIVV, how is TOYS written in the same code? (a) GLBH (b) FKAG (c) UPZT (d) HMCI
- 20.If DOG is written as EPH, how is NEST written in the same code? (a) OFTU (b) UTFO (c) PGUV (d) MDRS
- 21.If TREE is written as DDQS, how is COLD written in the same code? (a) DLOC (b) BNKC (c) EMPD (d) CKNB
- 22.If MOON is written as NLLM, how is KITE written in the same code? (a) LJUF (b) PRGV (c) OQFU (d) QSHW
- 23.If CAT is written as XZG, how is FROG written in the same code? (a) UILT (b) THKS (c) GSPH (d) VJMU
- 24.If FISH is written as GRHE, how is TOYS written in the same code? (a) SYOT (b) RXNS (c) SNXR (d) TZPU
- 25.If BALL is written as YZOO, how is RAIN written in the same code? (a) JASN (b) HYQL (c) SBJO (d) IZRM
- 26.If COLD is written as XLOW, how is CAKE written in the same code? (a) XZPV (b) WYOU (c) DBLF (d) YAQW
- 27.If DOG is written as EPH, how is KITE written in the same code? (a) JHSD (b) LJUF (c) MKVG (d) FUJL
- 28.If PEN is written as QFO, how is SUN written in the same code? (a) TVO (b) UWP (c) RTM (d) OVT
- 29.If FROG is written as UILT, how is BOAT written in the same code? (a) CPBU (b) XKYF (c) YLZG (d) ZMAH
- 30.If DESK is written as MUGF, how is NEST written in the same code? (a) RQCL (b) VUGP (c) PGUV (d) TSEN
- 31.If STAR is written as TUBS, how is JUMP written in the same code? (a) LWOR (b) KVNQ (c) ITLO (d) QNVK
- 32.If PARK is written as MTCR, how is BALL written in the same code? (a) JJYZ (b) DCNN (c) NNCD (d) LLAB
- 33.If PARK is written as KRAP, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) HPME (d) DLOG
- 34.If DOG is written as WLT, how is BELL written in the same code? (a) ZWPP (b) CFMM (c) XUNN (d) YVOO
- 35.If PEN is written as NEP, how is MILK written in the same code? (a) LMJN (b) JKHL (c) NJML (d) KLIM
- 36.If LION is written as NOIL, how is WIND written in the same code? (a) XJOE (b) EOJX (c) DNIW (d) CMHV
- 37.If PEN is written as NEP, how is FROG written in the same code? (a) FNQE (b) HPSG (c) GSPH (d) GORF
- 38.If DRUM is written as MURD, how is PARK written in the same code? (a) LSBQ (b) QBSL (c) JQZO (d) KRAP
- 39.If RAIN is written as UDLQ, how is TOYS written in the same code? (a) XSCW (b) QLVP (c) WRBV (d) VQAU
- 40.If LAMP is written as JYKN, how is WIND written in the same code? (a) UGLB (b) TFKA (c) YKPF (d) VHMC
Answer key
- BZJD
- NROP
- PKCT
- GGTV
- KVNQ
- LLEB
- XZG
- FQI
- ETIK
- FDW
- RCTM
- KLIM
- WVHP
- AZKK
- RPCC
- ANZS
- GORF
- KRAP
- GLBH
- OFTU
- CKNB
- PRGV
- UILT
- RXNS
- IZRM
- XZPV
- LJUF
- TVO
- YLZG
- VUGP
- KVNQ
- NNCD
- DLOG
- YVOO
- KLIM
- DNIW
- GORF
- KRAP
- WRBV
- UGLB
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