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 SUN is written as HFM, how is COLD written in the same code? (a) YMPX (b) WKNV (c) DPME (d) XLOW
- 2.If DRUM is written as NVSE, how is PARK written in the same code? (a) JQZO (b) LSBQ (c) KRAP (d) QBSL
- 3.If DESK is written as KSED, how is FISH written in the same code? (a) HSIF (b) ITJG (c) GRHE (d) GJTI
- 4.If SUN is written as MTR, how is KITE written in the same code? (a) ETIK (b) FUJL (c) JHSD (d) DSHJ
- 5.If FISH is written as URHS, how is RAIN written in the same code? (a) JASN (b) SBJO (c) IZRM (d) HYQL
- 6.If NEST is written as MVHG, how is MILK written in the same code? (a) NJML (b) OSPQ (c) NROP (d) MQNO
- 7.If SHIP is written as TIJQ, how is MILK written in the same code? (a) LMJN (b) LHKJ (c) NJML (d) OKNM
- 8.If BOOK is written as JNNA, how is LION written in the same code? (a) MNHK (b) OPJM (c) KHNM (d) NOIL
- 9.If KITE is written as PRGV, how is SUN written in the same code? (a) GEL (b) IGN (c) HFM (d) TVO
- 10.If BELL is written as KKDA, how is TOYS written in the same code? (a) TZPU (b) SNXR (c) SYOT (d) RXNS
- 11.If WIND is written as FPKY, how is DOG written in the same code? (a) IQF (b) EMB (c) FQI (d) GOD
- 12.If FROG is written as IQTH, how is BALL written in the same code? (a) DCNN (b) LLAB (c) JJYZ (d) NNCD
- 13.If BALL is written as NNCD, how is PEN written in the same code? (a) LCN (b) NEP (c) RGP (d) PGR
- 14.If SUN is written as RTM, how is STAR written in the same code? (a) QRYP (b) TUBS (c) RSZQ (d) STAR
- 15.If PEN is written as PGR, how is LAMP written in the same code? (a) NKYJ (b) ROCN (c) PMAL (d) NCOR
- 16.If CAKE is written as DJZB, how is PEN written in the same code? (a) NEP (b) OFQ (c) ODM (d) MDO
- 17.If DRUM is written as WIFN, how is CAKE written in the same code? (a) YAQW (b) DBLF (c) XZPV (d) WYOU
- 18.If GOLD is written as FNQI, how is LAMP written in the same code? (a) NCOR (b) PMAL (c) NKYJ (d) ROCN
- 19.If KITE is written as PRGV, how is FROG written in the same code? (a) GSPH (b) THKS (c) VJMU (d) UILT
- 20.If PEN is written as QFO, how is PARK written in the same code? (a) RCTM (b) OZQJ (c) QBSL (d) LSBQ
- 21.If SUN is written as NUS, how is TREE written in the same code? (a) DDQS (b) USFF (c) FFSU (d) EERT
- 22.If SUN is written as HFM, how is DRUM written in the same code? (a) XJGO (b) ESVN (c) WIFN (d) VHEM
- 23.If JUMP is written as PMUJ, how is BELL written in the same code? (a) KKDA (b) MMFC (c) LLEB (d) CFMM
- 24.If MILK is written as KLIM, how is FROG written in the same code? (a) HPSG (b) GSPH (c) GORF (d) FNQE
- 25.If DRUM is written as LTQC, how is CAKE written in the same code? (a) EKAC (b) DJZB (c) FLBD (d) BZJD
- 26.If MOON is written as OPPN, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) ETIK (d) FUJL
- 27.If LION is written as ORLM, how is MILK written in the same code? (a) NROP (b) OSPQ (c) MQNO (d) NJML
- 28.If RAIN is written as NIAR, how is CAT written in the same code? (a) UBD (b) SZB (c) TAC (d) DBU
- 29.If LION is written as KHNM, how is SHIP written in the same code? (a) QFGN (b) SHIP (c) RGHO (d) TIJQ
- 30.If MILK is written as NROP, how is STAR written in the same code? (a) TUBS (b) GFYH (c) HGZI (d) IHAJ
- 31.If BOOK is written as YLLP, how is STAR written in the same code? (a) GFYH (b) IHAJ (c) HGZI (d) TUBS
- 32.If FISH is written as URHS, how is SHIP written in the same code? (a) ITSL (b) TIJQ (c) HSRK (d) GRQJ
- 33.If FISH is written as JUKH, how is BELL written in the same code? (a) NNGD (b) DGNN (c) JJCZ (d) LLEB
- 34.If JUMP is written as PMUJ, how is PEN written in the same code? (a) NEP (b) QFO (c) OFQ (d) MDO
- 35.If STAR is written as RSZQ, how is COLD written in the same code? (a) DPME (b) COLD (c) BNKC (d) AMJB
- 36.If PEN is written as RGP, how is DESK written in the same code? (a) EFTL (b) GHVN (c) FGUM (d) BCQI
- 37.If STAR is written as HGZI, how is MOON written in the same code? (a) MKKL (b) NLLM (c) OMMN (d) NPPO
- 38.If CAT is written as UBD, how is KITE written in the same code? (a) FUJL (b) LJUF (c) ETIK (d) DSHJ
- 39.If WIND is written as DNIW, how is TREE written in the same code? (a) DDQS (b) FFSU (c) USFF (d) EERT
- 40.If FISH is written as DGQF, how is RAIN written in the same code? (a) TCKP (b) QZHM (c) PYGL (d) OXFK
Answer key
- XLOW
- LSBQ
- HSIF
- DSHJ
- IZRM
- NROP
- NJML
- MNHK
- HFM
- RXNS
- IQF
- NNCD
- PGR
- RSZQ
- ROCN
- MDO
- XZPV
- ROCN
- UILT
- QBSL
- EERT
- WIFN
- LLEB
- GORF
- DJZB
- FUJL
- NROP
- TAC
- RGHO
- HGZI
- HGZI
- HSRK
- NNGD
- NEP
- BNKC
- FGUM
- NLLM
- FUJL
- EERT
- PYGL
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