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 LION is written as ORLM, how is CAKE written in the same code? (a) XZPV (b) YAQW (c) WYOU (d) DBLF
- 2.If DOG is written as EPH, how is KITE written in the same code? (a) FUJL (b) MKVG (c) LJUF (d) JHSD
- 3.If TOYS is written as UAQV, how is DOG written in the same code? (a) FQI (b) GOD (c) IQF (d) EMB
- 4.If TOYS is written as VQAU, how is BELL written in the same code? (a) DGNN (b) EHOO (c) CFMM (d) ZCJJ
- 5.If LION is written as ORLM, how is PARK written in the same code? (a) QBSL (b) LAJQ (c) KZIP (d) JYHO
- 6.If NEST is written as VUGP, how is BOOK written in the same code? (a) MQQD (b) KOOB (c) DQQM (d) IMMZ
- 7.If PEN is written as QFO, how is TREE written in the same code? (a) VTGG (b) USFF (c) FFSU (d) SQDD
- 8.If TREE is written as GIVV, how is SUN written in the same code? (a) IGN (b) HFM (c) GEL (d) TVO
- 9.If FROG is written as GORF, how is NEST written in the same code? (a) TSEN (b) UTFO (c) SRDM (d) OFTU
- 10.If LION is written as OLRQ, how is BALL written in the same code? (a) EDOO (b) FEPP (c) YXII (d) DCNN
- 11.If RAIN is written as IZRM, how is MILK written in the same code? (a) OSPQ (b) NJML (c) MQNO (d) NROP
- 12.If SUN is written as OVT, how is STAR written in the same code? (a) SBUT (b) QZSR (c) RATS (d) TUBS
- 13.If MOON is written as MNNL, how is RAIN written in the same code? (a) MHZQ (b) QZHM (c) NIAR (d) OJBS
- 14.If HAND is written as DNAH, how is MILK written in the same code? (a) NJML (b) JKHL (c) KLIM (d) LMJN
- 15.If SUN is written as TVO, how is WIND written in the same code? (a) VHMC (b) EOJX (c) YKPF (d) XJOE
- 16.If RAIN is written as SBJO, how is MOON written in the same code? (a) OQQP (b) LNNM (c) OPPN (d) NPPO
- 17.If NEST is written as PGUV, how is SHIP written in the same code? (a) UJKR (b) VKLS (c) TIJQ (d) QFGN
- 18.If SHIP is written as OHGR, how is PARK written in the same code? (a) LSBQ (b) OZQJ (c) JQZO (d) KRAP
- 19.If KITE is written as DSHJ, how is MOON written in the same code? (a) OPPN (b) MNNL (c) LNNM (d) NOOM
- 20.If KITE is written as ETIK, how is DESK written in the same code? (a) EFTL (b) LTFE (c) KSED (d) JRDC
- 21.If TREE is written as DDQS, how is PEN written in the same code? (a) ODM (b) MDO (c) NEP (d) OFQ
- 22.If FISH is written as GRHE, how is BELL written in the same code? (a) MMFC (b) ADKK (c) KKDA (d) LLEB
- 23.If PEN is written as NEP, how is STAR written in the same code? (a) QZSR (b) SBUT (c) RATS (d) TUBS
- 24.If MILK is written as NROP, how is SUN written in the same code? (a) HFM (b) IGN (c) GEL (d) TVO
- 25.If NEST is written as TSEN, how is PEN written in the same code? (a) NEP (b) OFQ (c) MDO (d) QFO
- 26.If SHIP is written as HSRK, how is PARK written in the same code? (a) QBSL (b) LAJQ (c) KZIP (d) JYHO
- 27.If JUMP is written as QNVK, how is BELL written in the same code? (a) LLEB (b) MMFC (c) CFMM (d) KKDA
- 28.If STAR is written as RATS, how is DESK written in the same code? (a) JRDC (b) KSED (c) EFTL (d) LTFE
- 29.If FISH is written as JUKH, how is PEN written in the same code? (a) NEP (b) RGP (c) LCN (d) PGR
- 30.If FROG is written as FNQE, how is COLD written in the same code? (a) BNKC (b) DLOC (c) CKNB (d) EMPD
- 31.If LAMP is written as OZNK, how is DESK written in the same code? (a) WVHP (b) XWIQ (c) EFTL (d) VUGO
- 32.If WIND is written as VHMC, how is BELL written in the same code? (a) ZCJJ (b) BELL (c) ADKK (d) CFMM
- 33.If GOLD is written as DLOG, how is MILK written in the same code? (a) LMJN (b) KLIM (c) NJML (d) JKHL
- 34.If DRUM is written as ESVN, how is BOAT written in the same code? (a) UBPC (b) ANZS (c) CPBU (d) DQCV
- 35.If FROG is written as DPME, how is MILK written in the same code? (a) KGJI (b) JFIH (c) LHKJ (d) OKNM
- 36.If BOAT is written as CPBU, how is CAKE written in the same code? (a) ECMG (b) BZJD (c) DBLF (d) FLBD
- 37.If BALL is written as YZOO, how is LION written in the same code? (a) MJPO (b) ORLM (c) NQKL (d) PSMN
- 38.If CAT is written as SZB, how is MOON written in the same code? (a) OPPN (b) MNNL (c) LNNM (d) NOOM
- 39.If NEST is written as MVHG, how is STAR written in the same code? (a) GFYH (b) IHAJ (c) TUBS (d) HGZI
- 40.If MILK is written as KLIM, how is BOAT written in the same code? (a) UBPC (b) TAOB (c) CPBU (d) SZNA
Answer key
- XZPV
- LJUF
- IQF
- DGNN
- KZIP
- MQQD
- USFF
- HFM
- TSEN
- EDOO
- NROP
- SBUT
- MHZQ
- KLIM
- XJOE
- NPPO
- UJKR
- JQZO
- MNNL
- KSED
- MDO
- KKDA
- RATS
- HFM
- NEP
- KZIP
- MMFC
- KSED
- PGR
- CKNB
- WVHP
- ADKK
- KLIM
- CPBU
- KGJI
- DBLF
- ORLM
- MNNL
- HGZI
- TAOB
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