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 SHIP written in the same code? (a) ITSL (b) GRQJ (c) TIJQ (d) HSRK
- 2.If PARK is written as KRAP, how is MILK written in the same code? (a) NJML (b) JKHL (c) KLIM (d) LMJN
- 3.If CAKE is written as EKAC, how is PEN written in the same code? (a) QFO (b) NEP (c) OFQ (d) MDO
- 4.If PARK is written as QBSL, how is BOOK written in the same code? (a) DQQM (b) LPPC (c) ANNJ (d) CPPL
- 5.If WIND is written as DNIW, how is DESK written in the same code? (a) LTFE (b) JRDC (c) EFTL (d) KSED
- 6.If BOAT is written as VCQD, how is GOLD written in the same code? (a) DLOG (b) FNQI (c) BJME (d) IQNF
- 7.If BOAT is written as SZNA, how is STAR written in the same code? (a) RSZQ (b) QZSR (c) SBUT (d) RATS
- 8.If JUMP is written as QFNK, how is SHIP written in the same code? (a) GRQJ (b) TIJQ (c) ITSL (d) HSRK
- 9.If STAR is written as HGZI, how is RAIN written in the same code? (a) HYQL (b) SBJO (c) JASN (d) IZRM
- 10.If TREE is written as DDQS, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) FUJL (d) JHSD
- 11.If MOON is written as LNNM, how is BALL written in the same code? (a) CBMM (b) BALL (c) AZKK (d) ZYJJ
- 12.If DOG is written as WLT, how is MOON written in the same code? (a) OMMN (b) NLLM (c) MKKL (d) NPPO
- 13.If KITE is written as ETIK, how is PEN written in the same code? (a) OFQ (b) NEP (c) QFO (d) MDO
- 14.If HAND is written as DNAH, how is TOYS written in the same code? (a) SYOT (b) RXNS (c) UPZT (d) TZPU
- 15.If TOYS is written as TZPU, how is LION written in the same code? (a) MNHK (b) MJPO (c) NOIL (d) OPJM
- 16.If TREE is written as GIVV, how is LION written in the same code? (a) ORLM (b) MJPO (c) NQKL (d) PSMN
- 17.If SHIP is written as RKJU, how is PARK written in the same code? (a) RCTM (b) MTCR (c) KRAP (d) IPYN
- 18.If WIND is written as UGLB, how is CAKE written in the same code? (a) ZXHB (b) AYIC (c) ECMG (d) BZJD
- 19.If PARK is written as LSBQ, how is CAT written in the same code? (a) UBD (b) TAC (c) DBU (d) SZB
- 20.If LION is written as NOIL, how is FROG written in the same code? (a) HPSG (b) GSPH (c) FNQE (d) GORF
- 21.If STAR is written as VWDU, how is KITE written in the same code? (a) HFQB (b) MKVG (c) OMXI (d) NLWH
- 22.If PEN is written as KVM, how is STAR written in the same code? (a) IHAJ (b) HGZI (c) GFYH (d) TUBS
- 23.If PEN is written as SHQ, how is HAND written in the same code? (a) LERH (b) JCPF (c) KDQG (d) EXKA
- 24.If BALL is written as YZOO, how is CAKE written in the same code? (a) XZPV (b) YAQW (c) WYOU (d) DBLF
- 25.If STAR is written as HGZI, how is MILK written in the same code? (a) NROP (b) NJML (c) MQNO (d) OSPQ
- 26.If NEST is written as MDRS, how is GOLD written in the same code? (a) GOLD (b) EMJB (c) FNKC (d) HPME
- 27.If NEST is written as MVHG, how is TREE written in the same code? (a) HJWW (b) USFF (c) FHUU (d) GIVV
- 28.If BELL is written as NNGD, how is COLD written in the same code? (a) DLOC (b) EQNF (c) BJMA (d) FNQE
- 29.If LAMP is written as PMAL, how is GOLD written in the same code? (a) CKNF (b) HPME (c) DLOG (d) EMPH
- 30.If PARK is written as KZIP, how is SHIP written in the same code? (a) GRQJ (b) HSRK (c) TIJQ (d) ITSL
- 31.If MILK is written as LMJN, how is LION written in the same code? (a) MJPO (b) MNHK (c) OPJM (d) NOIL
- 32.If CAKE is written as AYIC, how is DESK written in the same code? (a) ABPH (b) FGUM (c) CDRJ (d) BCQI
- 33.If BELL is written as MMFC, how is BALL written in the same code? (a) CBMM (b) KKZA (c) LLAB (d) MMBC
- 34.If PEN is written as KVM, how is MOON written in the same code? (a) NPPO (b) NLLM (c) OMMN (d) MKKL
- 35.If DESK is written as GHVN, how is TOYS written in the same code? (a) XSCW (b) VQAU (c) WRBV (d) QLVP
- 36.If BELL is written as MMFC, how is TOYS written in the same code? (a) UPZT (b) RXNS (c) TZPU (d) SYOT
- 37.If LAMP is written as QNBM, how is WIND written in the same code? (a) DNIW (b) EOJX (c) CMHV (d) XJOE
- 38.If DOG is written as HPE, how is TOYS written in the same code? (a) UPZT (b) RXNS (c) TZPU (d) SYOT
- 39.If RAIN is written as PYGL, how is DRUM written in the same code? (a) AORJ (b) CQTL (c) BPSK (d) FTWO
- 40.If MOON is written as PQQO, how is SHIP written in the same code? (a) RKJU (b) UJKR (c) PIHS (d) NGFQ
Answer key
- HSRK
- KLIM
- NEP
- CPPL
- KSED
- FNQI
- QZSR
- HSRK
- IZRM
- DSHJ
- AZKK
- NLLM
- NEP
- SYOT
- OPJM
- ORLM
- MTCR
- AYIC
- UBD
- GORF
- NLWH
- HGZI
- KDQG
- XZPV
- NROP
- FNKC
- GIVV
- FNQE
- DLOG
- HSRK
- OPJM
- BCQI
- MMBC
- NLLM
- WRBV
- TZPU
- EOJX
- TZPU
- BPSK
- RKJU
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