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 SHIP is written as UJKR, how is COLD written in the same code? (a) EQNF (b) AMJB (c) DPME (d) FROG
- 2.If MOON is written as MNNL, how is DOG written in the same code? (a) FNC (b) CNF (c) GOD (d) HPE
- 3.If NEST is written as OFTU, how is HAND written in the same code? (a) IBOE (b) EOBI (c) JCPF (d) GZMC
- 4.If KITE is written as ETIK, how is LION written in the same code? (a) NOIL (b) OPJM (c) MNHK (d) MJPO
- 5.If BALL is written as NNCD, how is COLD written in the same code? (a) EQNF (b) BJMA (c) DLOC (d) FNQE
- 6.If RAIN is written as IZRM, how is HAND written in the same code? (a) IBOE (b) SZMW (c) RYLV (d) TANX
- 7.If COLD is written as DLOC, how is DRUM written in the same code? (a) ESVN (b) MURD (c) LTQC (d) NVSE
- 8.If CAKE is written as FDNH, how is DOG written in the same code? (a) FQI (b) HSK (c) GRJ (d) ALD
- 9.If CAKE is written as DBLF, how is MOON written in the same code? (a) OQQP (b) OPPN (c) LNNM (d) NPPO
- 10.If JUMP is written as PMUJ, how is FISH written in the same code? (a) GJTI (b) ITJG (c) GRHE (d) HSIF
- 11.If DESK is written as WVHP, how is DRUM written in the same code? (a) VHEM (b) WIFN (c) ESVN (d) XJGO
- 12.If LAMP is written as KZLO, how is FISH written in the same code? (a) GJTI (b) FISH (c) EHRG (d) DGQF
- 13.If BALL is written as MMBC, how is DOG written in the same code? (a) FNC (b) GOD (c) EPH (d) HPE
- 14.If CAT is written as VCE, how is WIND written in the same code? (a) DNIW (b) YKPF (c) BLGU (d) FPKY
- 15.If WIND is written as XJOE, how is SUN written in the same code? (a) UWP (b) OVT (c) RTM (d) TVO
- 16.If FISH is written as ITJG, how is TREE written in the same code? (a) DDQS (b) FFSU (c) EERT (d) USFF
- 17.If BOOK is written as CPPL, how is GOLD written in the same code? (a) FNKC (b) EMPH (c) IQNF (d) HPME
- 18.If RAIN is written as IZRM, how is CAT written in the same code? (a) YAH (b) XZG (c) DBU (d) WYF
- 19.If LION is written as ORLM, how is BELL written in the same code? (a) YVOO (b) ZWPP (c) XUNN (d) CFMM
- 20.If SUN is written as PWU, how is KITE written in the same code? (a) MKVG (b) CRGI (c) ETIK (d) GVKM
- 21.If DRUM is written as NVSE, how is DOG written in the same code? (a) EPH (b) GOD (c) HPE (d) FNC
- 22.If FISH is written as GJTI, how is BOAT written in the same code? (a) ANZS (b) UBPC (c) DQCV (d) CPBU
- 23.If NEST is written as OFTU, how is FISH written in the same code? (a) ITJG (b) GJTI (c) EHRG (d) HKUJ
- 24.If PARK is written as KZIP, how is LAMP written in the same code? (a) PAOL (b) OZNK (c) MBNQ (d) NYMJ
- 25.If TOYS is written as GLBH, how is DESK written in the same code? (a) VUGO (b) EFTL (c) XWIQ (d) WVHP
- 26.If FISH is written as EHRG, how is GOLD written in the same code? (a) EMJB (b) HPME (c) FNKC (d) GOLD
- 27.If CAKE is written as FLBD, how is NEST written in the same code? (a) SRDM (b) TSEN (c) UTFO (d) OFTU
- 28.If BOAT is written as DQCV, how is JUMP written in the same code? (a) KVNQ (b) MXPS (c) HSKN (d) LWOR
- 29.If KITE is written as GVKM, how is PARK written in the same code? (a) KRAP (b) RCTM (c) MTCR (d) IPYN
- 30.If BOOK is written as YLLP, how is SUN written in the same code? (a) IGN (b) TVO (c) HFM (d) GEL
- 31.If PEN is written as SHQ, how is TOYS written in the same code? (a) QLVP (b) XSCW (c) VQAU (d) WRBV
- 32.If TREE is written as GIVV, how is LAMP written in the same code? (a) OZNK (b) NYMJ (c) PAOL (d) MBNQ
- 33.If COLD is written as EMPD, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) LJUF (d) ETIK
- 34.If FROG is written as UILT, how is COLD written in the same code? (a) XLOW (b) YMPX (c) DPME (d) WKNV
- 35.If BOAT is written as UBPC, how is JUMP written in the same code? (a) QNVK (b) KVNQ (c) PMUJ (d) OLTI
- 36.If NEST is written as TSEN, how is GOLD written in the same code? (a) DLOG (b) EMPH (c) CKNF (d) HPME
- 37.If TREE is written as FFSU, how is CAKE written in the same code? (a) DJZB (b) FLBD (c) DBLF (d) EKAC
- 38.If TREE is written as FFSU, how is MILK written in the same code? (a) KLIM (b) LMJN (c) JKHL (d) NJML
- 39.If BALL is written as LLAB, how is STAR written in the same code? (a) QZSR (b) SBUT (c) TUBS (d) RATS
- 40.If STAR is written as RSZQ, how is MILK written in the same code? (a) LHKJ (b) MILK (c) NJML (d) KGJI
Answer key
- EQNF
- FNC
- IBOE
- NOIL
- FNQE
- SZMW
- MURD
- GRJ
- NPPO
- HSIF
- WIFN
- EHRG
- HPE
- FPKY
- TVO
- FFSU
- HPME
- XZG
- YVOO
- GVKM
- HPE
- CPBU
- GJTI
- OZNK
- WVHP
- FNKC
- UTFO
- LWOR
- MTCR
- HFM
- WRBV
- OZNK
- FUJL
- XLOW
- QNVK
- DLOG
- FLBD
- LMJN
- RATS
- LHKJ
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