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 KITE is written as PRGV, how is PARK written in the same code? (a) KZIP (b) LAJQ (c) QBSL (d) JYHO
- 2.If JUMP is written as PMUJ, how is BOOK written in the same code? (a) JNNA (b) KOOB (c) LPPC (d) CPPL
- 3.If HAND is written as CMZG, how is FROG written in the same code? (a) GORF (b) EQNF (c) FNQE (d) HPSG
- 4.If BELL is written as LLEB, how is FISH written in the same code? (a) HSIF (b) GRHE (c) ITJG (d) GJTI
- 5.If PEN is written as OFQ, how is DESK written in the same code? (a) KSED (b) JRDC (c) LTFE (d) EFTL
- 6.If BELL is written as KKDA, how is DESK written in the same code? (a) JRDC (b) KSED (c) LTFE (d) CDRJ
- 7.If CAKE is written as EKAC, how is COLD written in the same code? (a) CKNB (b) EMPD (c) DLOC (d) DPME
- 8.If TREE is written as EERT, how is BALL written in the same code? (a) MMBC (b) CBMM (c) LLAB (d) KKZA
- 9.If WIND is written as EOJX, how is SHIP written in the same code? (a) TIJQ (b) OHGR (c) PIHS (d) QJIT
- 10.If BELL is written as CFMM, how is CAT written in the same code? (a) BZS (b) ECV (c) UBD (d) DBU
- 11.If CAT is written as TAC, how is FISH written in the same code? (a) ITJG (b) HSIF (c) GRHE (d) GJTI
- 12.If CAKE is written as EKAC, how is BALL written in the same code? (a) MMBC (b) CBMM (c) LLAB (d) KKZA
- 13.If LAMP is written as PMAL, how is NEST written in the same code? (a) TSEN (b) UTFO (c) SRDM (d) OFTU
- 14.If FISH is written as GRHE, how is BELL written in the same code? (a) LLEB (b) ADKK (c) KKDA (d) MMFC
- 15.If WIND is written as EOJX, how is PEN written in the same code? (a) QFO (b) MDO (c) OFQ (d) NEP
- 16.If KITE is written as GVKM, how is JUMP written in the same code? (a) NKSH (b) LWOR (c) PMUJ (d) ROWL
- 17.If TREE is written as GIVV, how is RAIN written in the same code? (a) HYQL (b) SBJO (c) JASN (d) IZRM
- 18.If DOG is written as CNF, how is RAIN written in the same code? (a) PYGL (b) QZHM (c) SBJO (d) RAIN
- 19.If TREE is written as EERT, how is SUN written in the same code? (a) TVO (b) MTR (c) OVT (d) NUS
- 20.If CAKE is written as FDNH, how is DOG written in the same code? (a) ALD (b) HSK (c) FQI (d) GRJ
- 21.If TREE is written as WUHH, how is COLD written in the same code? (a) ZLIA (b) FROG (c) GSPH (d) EQNF
- 22.If NEST is written as TSEN, how is HAND written in the same code? (a) IBOE (b) EOBI (c) CMZG (d) DNAH
- 23.If SUN is written as TVO, how is DRUM written in the same code? (a) NVSE (b) CQTL (c) FTWO (d) ESVN
- 24.If MOON is written as NLLM, how is TOYS written in the same code? (a) UPZT (b) FKAG (c) GLBH (d) HMCI
- 25.If CAKE is written as EKAC, how is SUN written in the same code? (a) TVO (b) MTR (c) NUS (d) OVT
- 26.If STAR is written as HGZI, how is LAMP written in the same code? (a) MBNQ (b) PAOL (c) NYMJ (d) OZNK
- 27.If WIND is written as DNIW, how is BELL written in the same code? (a) MMFC (b) CFMM (c) KKDA (d) LLEB
- 28.If SUN is written as HFM, how is JUMP written in the same code? (a) KVNQ (b) RGOL (c) QFNK (d) PEMJ
- 29.If HAND is written as SZMW, how is MILK written in the same code? (a) OSPQ (b) NROP (c) NJML (d) MQNO
- 30.If FROG is written as UILT, how is CAT written in the same code? (a) YAH (b) DBU (c) XZG (d) WYF
- 31.If SUN is written as HFM, how is BOAT written in the same code? (a) XKYF (b) ZMAH (c) YLZG (d) CPBU
- 32.If CAT is written as ECV, how is BALL written in the same code? (a) ZYJJ (b) DCNN (c) EDOO (d) CBMM
- 33.If BALL is written as ZYJJ, how is GOLD written in the same code? (a) FNKC (b) EMJB (c) IQNF (d) DLIA
- 34.If DRUM is written as GUXP, how is PARK written in the same code? (a) MXOH (b) TEVO (c) RCTM (d) SDUN
- 35.If HAND is written as GZMC, how is BELL written in the same code? (a) ADKK (b) ZCJJ (c) BELL (d) CFMM
- 36.If PEN is written as KVM, how is CAT written in the same code? (a) YAH (b) DBU (c) WYF (d) XZG
- 37.If DOG is written as WLT, how is KITE written in the same code? (a) LJUF (b) QSHW (c) OQFU (d) PRGV
- 38.If NEST is written as LCQR, how is LAMP written in the same code? (a) NCOR (b) IXJM (c) JYKN (d) KZLO
- 39.If GOLD is written as EMPH, how is COLD written in the same code? (a) CKNB (b) DPME (c) EMPD (d) DLOC
- 40.If SHIP is written as RKJU, how is MOON written in the same code? (a) NOOM (b) LMMK (c) PQQO (d) OQQP
Answer key
- KZIP
- KOOB
- FNQE
- HSIF
- LTFE
- JRDC
- DLOC
- LLAB
- QJIT
- DBU
- HSIF
- LLAB
- TSEN
- KKDA
- OFQ
- ROWL
- IZRM
- QZHM
- NUS
- GRJ
- FROG
- DNAH
- ESVN
- GLBH
- NUS
- OZNK
- LLEB
- QFNK
- NROP
- XZG
- YLZG
- DCNN
- EMJB
- SDUN
- ADKK
- XZG
- PRGV
- JYKN
- EMPD
- PQQO
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