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 CAKE is written as DJZB, how is BOAT written in the same code? (a) TAOB (b) SZNA (c) ANZS (d) UBPC
- 2.If JUMP is written as QNVK, how is SHIP written in the same code? (a) TIJQ (b) OHGR (c) QJIT (d) PIHS
- 3.If PARK is written as RCTM, how is FISH written in the same code? (a) GJTI (b) ILVK (c) DGQF (d) HKUJ
- 4.If LION is written as NOIL, how is CAT written in the same code? (a) TAC (b) SZB (c) UBD (d) DBU
- 5.If PEN is written as OFQ, how is STAR written in the same code? (a) QZSR (b) RATS (c) TUBS (d) SBUT
- 6.If TREE is written as EERT, how is RAIN written in the same code? (a) OJBS (b) MHZQ (c) SBJO (d) NIAR
- 7.If KITE is written as NLWH, how is PEN written in the same code? (a) RGP (b) SHQ (c) MBK (d) TIR
- 8.If KITE is written as FUJL, how is WIND written in the same code? (a) DNIW (b) EOJX (c) XJOE (d) CMHV
- 9.If JUMP is written as KVNQ, how is DESK written in the same code? (a) FGUM (b) LTFE (c) CDRJ (d) EFTL
- 10.If FROG is written as GORF, how is BOOK written in the same code? (a) JNNA (b) LPPC (c) KOOB (d) CPPL
- 11.If KITE is written as GVKM, how is BOAT written in the same code? (a) TAOB (b) VCQD (c) DQCV (d) RYMZ
- 12.If TREE is written as GIVV, how is FROG written in the same code? (a) UILT (b) THKS (c) GSPH (d) VJMU
- 13.If DOG is written as GOD, how is COLD written in the same code? (a) EMPD (b) CKNB (c) DLOC (d) DPME
- 14.If LAMP is written as KZLO, how is TREE written in the same code? (a) TREE (b) USFF (c) SQDD (d) RPCC
- 15.If TREE is written as EERT, how is FROG written in the same code? (a) HPSG (b) GORF (c) FNQE (d) GSPH
- 16.If DOG is written as GOD, how is TOYS written in the same code? (a) SYOT (b) TZPU (c) RXNS (d) UPZT
- 17.If DOG is written as WLT, how is PARK written in the same code? (a) KZIP (b) JYHO (c) LAJQ (d) QBSL
- 18.If DESK is written as WVHP, how is PARK written in the same code? (a) KZIP (b) LAJQ (c) JYHO (d) QBSL
- 19.If BELL is written as KKDA, how is SUN written in the same code? (a) OVT (b) MTR (c) RTM (d) NUS
- 20.If KITE is written as DSHJ, how is CAKE written in the same code? (a) EKAC (b) FLBD (c) DJZB (d) BZJD
- 21.If BOOK is written as KOOB, how is BALL written in the same code? (a) LLAB (b) MMBC (c) CBMM (d) KKZA
- 22.If FISH is written as GRHE, how is CAKE written in the same code? (a) EKAC (b) DJZB (c) BZJD (d) FLBD
- 23.If CAKE is written as FDNH, how is DRUM written in the same code? (a) GUXP (b) FTWO (c) AORJ (d) HVYQ
- 24.If LAMP is written as PMAL, how is HAND written in the same code? (a) IBOE (b) EOBI (c) DNAH (d) CMZG
- 25.If SUN is written as VXQ, how is RAIN written in the same code? (a) VEMR (b) OXFK (c) TCKP (d) UDLQ
- 26.If PEN is written as KVM, how is KITE written in the same code? (a) OQFU (b) PRGV (c) QSHW (d) LJUF
- 27.If DESK is written as WVHP, how is TOYS written in the same code? (a) UPZT (b) FKAG (c) GLBH (d) HMCI
- 28.If DRUM is written as NVSE, how is HAND written in the same code? (a) IBOE (b) DNAH (c) EOBI (d) CMZG
- 29.If DRUM is written as BPSK, how is MILK written in the same code? (a) JFIH (b) KGJI (c) LHKJ (d) OKNM
- 30.If MOON is written as KMML, how is RAIN written in the same code? (a) TCKP (b) OXFK (c) QZHM (d) PYGL
- 31.If GOLD is written as DLOG, how is MOON written in the same code? (a) NPPO (b) MNNL (c) OPPN (d) NOOM
- 32.If DESK is written as KSED, how is SUN written in the same code? (a) MTR (b) TVO (c) OVT (d) NUS
- 33.If PARK is written as JQZO, how is MILK written in the same code? (a) LMJN (b) KLIM (c) LHKJ (d) JKHL
- 34.If KITE is written as FUJL, how is DOG written in the same code? (a) EPH (b) GOD (c) FNC (d) HPE
- 35.If FISH is written as GRHE, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) JNNA (d) ANNJ
- 36.If MOON is written as NLLM, how is TOYS written in the same code? (a) UPZT (b) HMCI (c) GLBH (d) FKAG
- 37.If DOG is written as GOD, how is FROG written in the same code? (a) FNQE (b) GSPH (c) GORF (d) HPSG
- 38.If HAND is written as DNAH, how is DOG written in the same code? (a) EPH (b) GOD (c) FNC (d) HPE
- 39.If CAKE is written as EKAC, how is TOYS written in the same code? (a) RXNS (b) UPZT (c) SYOT (d) TZPU
- 40.If BELL is written as YVOO, how is SHIP written in the same code? (a) TIJQ (b) GRQJ (c) ITSL (d) HSRK
Answer key
- SZNA
- QJIT
- HKUJ
- TAC
- SBUT
- NIAR
- SHQ
- EOJX
- EFTL
- KOOB
- VCQD
- UILT
- DLOC
- SQDD
- GORF
- SYOT
- KZIP
- KZIP
- MTR
- DJZB
- LLAB
- DJZB
- GUXP
- DNAH
- UDLQ
- PRGV
- GLBH
- EOBI
- KGJI
- PYGL
- NOOM
- NUS
- JKHL
- HPE
- JNNA
- GLBH
- GORF
- GOD
- SYOT
- HSRK
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