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 JUMP is written as QFNK, how is PEN written in the same code? (a) KVM (b) QFO (c) JUL (d) LWN
- 2.If CAT is written as VCE, how is FISH written in the same code? (a) HSIF (b) JUKH (c) FQGD (d) HKUJ
- 3.If HAND is written as CMZG, how is SHIP written in the same code? (a) QJIT (b) RGHO (c) PIHS (d) OHGR
- 4.If PEN is written as PGR, how is KITE written in the same code? (a) ETIK (b) MKVG (c) GVKM (d) CRGI
- 5.If KITE is written as ETIK, how is FISH written in the same code? (a) ITJG (b) GJTI (c) HSIF (d) GRHE
- 6.If TREE is written as EERT, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) QNVK (d) PMUJ
- 7.If KITE is written as PRGV, how is TREE written in the same code? (a) FHUU (b) USFF (c) GIVV (d) HJWW
- 8.If JUMP is written as LWOR, how is WIND written in the same code? (a) XJOE (b) UGLB (c) ZLQG (d) YKPF
- 9.If MOON is written as KMML, how is BELL written in the same code? (a) YBII (b) DGNN (c) ZCJJ (d) ADKK
- 10.If BOOK is written as ANNJ, how is JUMP written in the same code? (a) KVNQ (b) ITLO (c) HSKN (d) JUMP
- 11.If FISH is written as EHRG, how is DRUM written in the same code? (a) DRUM (b) BPSK (c) ESVN (d) CQTL
- 12.If TREE is written as GIVV, how is GOLD written in the same code? (a) UMPX (b) HPME (c) TLOW (d) SKNV
- 13.If KITE is written as DSHJ, how is STAR written in the same code? (a) SBUT (b) RSZQ (c) RATS (d) QZSR
- 14.If PEN is written as KVM, how is SHIP written in the same code? (a) TIJQ (b) HSRK (c) GRQJ (d) ITSL
- 15.If TREE is written as EERT, how is PARK written in the same code? (a) KRAP (b) LSBQ (c) JQZO (d) QBSL
- 16.If BELL is written as YVOO, how is RAIN written in the same code? (a) SBJO (b) IZRM (c) HYQL (d) JASN
- 17.If BOOK is written as JNNA, how is DESK written in the same code? (a) JRDC (b) KSED (c) LTFE (d) CDRJ
- 18.If BALL is written as LLAB, how is CAT written in the same code? (a) SZB (b) UBD (c) DBU (d) TAC
- 19.If KITE is written as PRGV, how is MILK written in the same code? (a) MQNO (b) OSPQ (c) NROP (d) NJML
- 20.If FISH is written as HSIF, how is FROG written in the same code? (a) GSPH (b) GORF (c) HPSG (d) FNQE
- 21.If MILK is written as KLIM, how is PARK written in the same code? (a) LSBQ (b) QBSL (c) KRAP (d) JQZO
- 22.If LION is written as ORLM, how is COLD written in the same code? (a) YMPX (b) XLOW (c) WKNV (d) DPME
- 23.If NEST is written as MVHG, how is STAR written in the same code? (a) HGZI (b) TUBS (c) GFYH (d) IHAJ
- 24.If FISH is written as ITJG, how is COLD written in the same code? (a) DLOC (b) CKNB (c) DPME (d) EMPD
- 25.If TREE is written as WUHH, how is BELL written in the same code? (a) DGNN (b) EHOO (c) YBII (d) FIPP
- 26.If BELL is written as EHOO, how is STAR written in the same code? (a) WXEV (b) UVCT (c) VWDU (d) PQXO
- 27.If RAIN is written as MHZQ, how is CAT written in the same code? (a) BZS (b) TAC (c) SZB (d) UBD
- 28.If LION is written as NOIL, how is CAKE written in the same code? (a) DBLF (b) FLBD (c) EKAC (d) DJZB
- 29.If FROG is written as FNQE, how is RAIN written in the same code? (a) OJBS (b) NIAR (c) QZHM (d) MHZQ
- 30.If STAR is written as RATS, how is BOOK written in the same code? (a) LPPC (b) CPPL (c) JNNA (d) KOOB
- 31.If WIND is written as CMHV, how is BALL written in the same code? (a) KKZA (b) AZKK (c) MMBC (d) LLAB
- 32.If CAKE is written as XZPV, how is DOG written in the same code? (a) EPH (b) XMU (c) VKS (d) WLT
- 33.If TOYS is written as GLBH, how is LAMP written in the same code? (a) PAOL (b) OZNK (c) MBNQ (d) NYMJ
- 34.If WIND is written as DNIW, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) EKAC (d) DBLF
- 35.If LAMP is written as OZNK, how is JUMP written in the same code? (a) QFNK (b) KVNQ (c) PEMJ (d) RGOL
- 36.If DOG is written as EPH, how is RAIN written in the same code? (a) QZHM (b) SBJO (c) OJBS (d) TCKP
- 37.If GOLD is written as DLOG, how is RAIN written in the same code? (a) MHZQ (b) SBJO (c) OJBS (d) NIAR
- 38.If DESK is written as WVHP, how is CAKE written in the same code? (a) YAQW (b) WYOU (c) DBLF (d) XZPV
- 39.If TREE is written as EERT, how is LAMP written in the same code? (a) MBNQ (b) OLZK (c) QNBM (d) PMAL
- 40.If PARK is written as KRAP, how is COLD written in the same code? (a) DPME (b) EMPD (c) CKNB (d) DLOC
Answer key
- KVM
- JUKH
- OHGR
- GVKM
- HSIF
- PMUJ
- GIVV
- YKPF
- ZCJJ
- ITLO
- CQTL
- TLOW
- QZSR
- HSRK
- KRAP
- IZRM
- JRDC
- TAC
- NROP
- GORF
- KRAP
- XLOW
- HGZI
- EMPD
- EHOO
- VWDU
- SZB
- EKAC
- MHZQ
- KOOB
- KKZA
- WLT
- OZNK
- EKAC
- QFNK
- SBJO
- NIAR
- XZPV
- PMAL
- DLOC
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