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 HPSG, how is SHIP written in the same code? (a) PIHS (b) OHGR (c) QJIT (d) TIJQ
- 2.If CAKE is written as EKAC, how is TOYS written in the same code? (a) UPZT (b) RXNS (c) SYOT (d) TZPU
- 3.If DOG is written as FQI, how is MOON written in the same code? (a) PRRQ (b) KMML (c) OQQP (d) NPPO
- 4.If CAKE is written as FLBD, how is LAMP written in the same code? (a) MBNQ (b) OLZK (c) QNBM (d) PMAL
- 5.If LION is written as NOIL, how is COLD written in the same code? (a) EMPD (b) DPME (c) CKNB (d) DLOC
- 6.If DOG is written as WLT, how is TREE written in the same code? (a) USFF (b) HJWW (c) FHUU (d) GIVV
- 7.If LION is written as ORLM, how is BELL written in the same code? (a) ZWPP (b) CFMM (c) YVOO (d) XUNN
- 8.If LION is written as MJPO, how is FROG written in the same code? (a) EQNF (b) HPSG (c) HTQI (d) GSPH
- 9.If CAT is written as XZG, how is KITE written in the same code? (a) OQFU (b) QSHW (c) LJUF (d) PRGV
- 10.If COLD is written as DLOC, how is DESK written in the same code? (a) EFTL (b) KSED (c) LTFE (d) JRDC
- 11.If JUMP is written as PMUJ, how is WIND written in the same code? (a) CMHV (b) XJOE (c) DNIW (d) EOJX
- 12.If MILK is written as KLIM, how is SUN written in the same code? (a) NUS (b) MTR (c) TVO (d) OVT
- 13.If SUN is written as OVT, how is COLD written in the same code? (a) DLOC (b) EMPD (c) CKNB (d) DPME
- 14.If PEN is written as NEP, how is JUMP written in the same code? (a) KVNQ (b) OLTI (c) PMUJ (d) QNVK
- 15.If BOAT is written as ZMYR, how is JUMP written in the same code? (a) HSKN (b) GRJM (c) ITLO (d) LWOR
- 16.If SUN is written as OVT, how is DRUM written in the same code? (a) MURD (b) NVSE (c) LTQC (d) ESVN
- 17.If WIND is written as CMHV, how is PARK written in the same code? (a) OZQJ (b) KRAP (c) JQZO (d) LSBQ
- 18.If STAR is written as RATS, how is HAND written in the same code? (a) IBOE (b) EOBI (c) DNAH (d) CMZG
- 19.If KITE is written as PRGV, how is MILK written in the same code? (a) NROP (b) NJML (c) OSPQ (d) MQNO
- 20.If WIND is written as DRMW, how is MOON written in the same code? (a) NLLM (b) MKKL (c) NPPO (d) OMMN
- 21.If BELL is written as YVOO, how is MILK written in the same code? (a) NJML (b) MQNO (c) NROP (d) OSPQ
- 22.If STAR is written as UVCT, how is DRUM written in the same code? (a) ESVN (b) GUXP (c) BPSK (d) FTWO
- 23.If HAND is written as JCPF, how is WIND written in the same code? (a) YKPF (b) ZLQG (c) UGLB (d) XJOE
- 24.If CAKE is written as DJZB, how is DESK written in the same code? (a) CDRJ (b) KSED (c) LTFE (d) JRDC
- 25.If HAND is written as DNAH, how is MILK written in the same code? (a) KLIM (b) LMJN (c) NJML (d) JKHL
- 26.If KITE is written as ETIK, how is TREE written in the same code? (a) FFSU (b) USFF (c) DDQS (d) EERT
- 27.If BELL is written as YVOO, how is SUN written in the same code? (a) TVO (b) GEL (c) HFM (d) IGN
- 28.If TOYS is written as VQAU, how is RAIN written in the same code? (a) TCKP (b) PYGL (c) UDLQ (d) SBJO
- 29.If MILK is written as NROP, how is STAR written in the same code? (a) HGZI (b) IHAJ (c) GFYH (d) TUBS
- 30.If SUN is written as HFM, how is PEN written in the same code? (a) JUL (b) KVM (c) LWN (d) QFO
- 31.If TREE is written as FFSU, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) PIHS (d) OHGR
- 32.If SHIP is written as UJKR, how is COLD written in the same code? (a) FROG (b) EQNF (c) DPME (d) AMJB
- 33.If MOON is written as PRRQ, how is RAIN written in the same code? (a) TCKP (b) OXFK (c) VEMR (d) UDLQ
- 34.If MILK is written as LMJN, how is PEN written in the same code? (a) NEP (b) MDO (c) QFO (d) OFQ
- 35.If BALL is written as DCNN, how is WIND written in the same code? (a) ZLQG (b) UGLB (c) YKPF (d) XJOE
- 36.If COLD is written as EMPD, how is KITE written in the same code? (a) FUJL (b) ETIK (c) LJUF (d) DSHJ
- 37.If SUN is written as RTM, how is SHIP written in the same code? (a) QFGN (b) SHIP (c) RGHO (d) TIJQ
- 38.If MOON is written as NOOM, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) QBSL (d) JQZO
- 39.If HAND is written as FPCJ, how is DRUM written in the same code? (a) MURD (b) KSPB (c) OWTF (d) FTWO
- 40.If HAND is written as IBOE, how is BALL written in the same code? (a) CBMM (b) DCNN (c) MMBC (d) AZKK
Answer key
- QJIT
- SYOT
- OQQP
- QNBM
- DLOC
- GIVV
- YVOO
- GSPH
- PRGV
- KSED
- DNIW
- NUS
- EMPD
- PMUJ
- HSKN
- NVSE
- JQZO
- DNAH
- NROP
- NLLM
- NROP
- FTWO
- YKPF
- JRDC
- KLIM
- EERT
- HFM
- TCKP
- HGZI
- KVM
- QJIT
- EQNF
- UDLQ
- OFQ
- YKPF
- FUJL
- RGHO
- KRAP
- OWTF
- CBMM
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