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 RAIN is written as QZHM, how is BOAT written in the same code? (a) ZMYR (b) ANZS (c) CPBU (d) BOAT
- 2.If BALL is written as CBMM, how is CAKE written in the same code? (a) BZJD (b) FLBD (c) DBLF (d) ECMG
- 3.If DOG is written as GOD, how is CAT written in the same code? (a) SZB (b) DBU (c) TAC (d) UBD
- 4.If BALL is written as LLAB, how is BOAT written in the same code? (a) TAOB (b) CPBU (c) SZNA (d) UBPC
- 5.If SHIP is written as HSRK, how is NEST written in the same code? (a) MVHG (b) OFTU (c) NWIH (d) LUGF
- 6.If HAND is written as EOBI, how is CAKE written in the same code? (a) DBLF (b) EKAC (c) DJZB (d) FLBD
- 7.If SUN is written as NUS, how is CAKE written in the same code? (a) EKAC (b) DBLF (c) FLBD (d) DJZB
- 8.If STAR is written as HGZI, how is MILK written in the same code? (a) NJML (b) NROP (c) MQNO (d) OSPQ
- 9.If FISH is written as JUKH, how is SUN written in the same code? (a) UWP (b) NUS (c) LSQ (d) PWU
- 10.If SHIP is written as OHGR, how is RAIN written in the same code? (a) NIAR (b) OJBS (c) QZHM (d) MHZQ
- 11.If PEN is written as RGP, how is TREE written in the same code? (a) RPCC (b) WUHH (c) VTGG (d) USFF
- 12.If WIND is written as DRMW, how is BALL written in the same code? (a) YZOO (b) ZAPP (c) CBMM (d) XYNN
- 13.If MILK is written as KLIM, how is STAR written in the same code? (a) TUBS (b) QZSR (c) RATS (d) SBUT
- 14.If FROG is written as HPSG, how is FISH written in the same code? (a) ITJG (b) GRHE (c) GJTI (d) HSIF
- 15.If MOON is written as PQQO, how is SUN written in the same code? (a) PWU (b) UWP (c) NUS (d) LSQ
- 16.If BOAT is written as TAOB, how is RAIN written in the same code? (a) OJBS (b) MHZQ (c) NIAR (d) SBJO
- 17.If CAKE is written as EKAC, how is BELL written in the same code? (a) MMFC (b) LLEB (c) CFMM (d) KKDA
- 18.If FISH is written as GRHE, how is HAND written in the same code? (a) DNAH (b) CMZG (c) GZMC (d) EOBI
- 19.If PEN is written as MDO, how is JUMP written in the same code? (a) PMUJ (b) ITLO (c) QNVK (d) OLTI
- 20.If PEN is written as NEP, how is DRUM written in the same code? (a) MURD (b) ESVN (c) NVSE (d) LTQC
- 21.If LAMP is written as PMAL, how is BELL written in the same code? (a) LLEB (b) KKDA (c) MMFC (d) CFMM
- 22.If CAT is written as DBU, how is LION written in the same code? (a) OPJM (b) KHNM (c) MJPO (d) NKQP
- 23.If SHIP is written as QJIT, how is PARK written in the same code? (a) QBSL (b) KRAP (c) JQZO (d) LSBQ
- 24.If SHIP is written as PIHS, how is TREE written in the same code? (a) FFSU (b) DDQS (c) EERT (d) USFF
- 25.If PEN is written as NEP, how is BOAT written in the same code? (a) UBPC (b) CPBU (c) SZNA (d) TAOB
- 26.If STAR is written as TUBS, how is KITE written in the same code? (a) JHSD (b) FUJL (c) MKVG (d) LJUF
- 27.If BELL is written as MMFC, how is MOON written in the same code? (a) NPPO (b) OPPN (c) MNNL (d) NOOM
- 28.If DRUM is written as NVSE, how is RAIN written in the same code? (a) NIAR (b) SBJO (c) MHZQ (d) OJBS
- 29.If KITE is written as FUJL, how is CAKE written in the same code? (a) DBLF (b) DJZB (c) EKAC (d) FLBD
- 30.If LION is written as ORLM, how is FROG written in the same code? (a) GSPH (b) THKS (c) UILT (d) VJMU
- 31.If CAKE is written as EKAC, how is BALL written in the same code? (a) KKZA (b) MMBC (c) CBMM (d) LLAB
- 32.If FROG is written as IURJ, how is BOAT written in the same code? (a) FSEX (b) ERDW (c) YLXQ (d) DQCV
- 33.If CAT is written as TAC, how is BOAT written in the same code? (a) CPBU (b) UBPC (c) TAOB (d) SZNA
- 34.If CAT is written as DBU, how is DRUM written in the same code? (a) ESVN (b) CQTL (c) NVSE (d) FTWO
- 35.If SUN is written as NUS, how is PEN written in the same code? (a) NEP (b) QFO (c) OFQ (d) MDO
- 36.If HAND is written as GZMC, how is CAKE written in the same code? (a) CAKE (b) AYIC (c) BZJD (d) DBLF
- 37.If MILK is written as NROP, how is SUN written in the same code? (a) GEL (b) HFM (c) IGN (d) TVO
- 38.If BOAT is written as TAOB, how is PARK written in the same code? (a) QBSL (b) LSBQ (c) JQZO (d) KRAP
- 39.If MOON is written as KMML, how is BOAT written in the same code? (a) ZMYR (b) YLXQ (c) DQCV (d) ANZS
- 40.If GOLD is written as FNQI, how is DRUM written in the same code? (a) OWTF (b) MURD (c) FTWO (d) KSPB
Answer key
- ANZS
- DBLF
- TAC
- TAOB
- MVHG
- FLBD
- EKAC
- NROP
- PWU
- MHZQ
- VTGG
- YZOO
- RATS
- ITJG
- PWU
- NIAR
- LLEB
- CMZG
- OLTI
- MURD
- LLEB
- MJPO
- LSBQ
- EERT
- TAOB
- LJUF
- OPPN
- OJBS
- FLBD
- UILT
- LLAB
- ERDW
- TAOB
- ESVN
- NEP
- BZJD
- HFM
- KRAP
- ZMYR
- OWTF
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