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 BELL is written as NNGD, how is GOLD written in the same code? (a) BJME (b) FNQI (c) IQNF (d) DLOG
- 2.If STAR is written as RATS, how is DRUM written in the same code? (a) NVSE (b) ESVN (c) MURD (d) LTQC
- 3.If DRUM is written as WIFN, how is DOG written in the same code? (a) XMU (b) EPH (c) WLT (d) VKS
- 4.If HAND is written as KDQG, how is MILK written in the same code? (a) JFIH (b) OKNM (c) PLON (d) QMPO
- 5.If BELL is written as YVOO, how is JUMP written in the same code? (a) QFNK (b) RGOL (c) PEMJ (d) KVNQ
- 6.If CAT is written as DBU, how is DRUM written in the same code? (a) CQTL (b) NVSE (c) FTWO (d) ESVN
- 7.If TREE is written as GIVV, how is DOG written in the same code? (a) VKS (b) WLT (c) EPH (d) XMU
- 8.If NEST is written as TSEN, how is FROG written in the same code? (a) HPSG (b) GORF (c) GSPH (d) FNQE
- 9.If MILK is written as PLON, how is JUMP written in the same code? (a) NYQT (b) MXPS (c) LWOR (d) GRJM
- 10.If WIND is written as DRMW, how is BOAT written in the same code? (a) CPBU (b) YLZG (c) XKYF (d) ZMAH
- 11.If KITE is written as NLWH, how is HAND written in the same code? (a) LERH (b) JCPF (c) KDQG (d) EXKA
- 12.If NEST is written as MDRS, how is CAKE written in the same code? (a) DBLF (b) AYIC (c) BZJD (d) CAKE
- 13.If NEST is written as UTFO, how is HAND written in the same code? (a) IBOE (b) DNAH (c) CMZG (d) EOBI
- 14.If DRUM is written as MURD, how is PARK written in the same code? (a) JQZO (b) QBSL (c) LSBQ (d) KRAP
- 15.If TREE is written as RPCC, how is DOG written in the same code? (a) BME (b) CNF (c) FQI (d) ALD
- 16.If LION is written as OPJM, how is PEN written in the same code? (a) QFO (b) NEP (c) OFQ (d) MDO
- 17.If PARK is written as NYPI, how is BALL written in the same code? (a) AZKK (b) DCNN (c) YXII (d) ZYJJ
- 18.If KITE is written as LJUF, how is BOAT written in the same code? (a) DQCV (b) UBPC (c) ANZS (d) CPBU
- 19.If BOOK is written as YLLP, how is KITE written in the same code? (a) LJUF (b) OQFU (c) QSHW (d) PRGV
- 20.If BELL is written as YVOO, how is FROG written in the same code? (a) GSPH (b) VJMU (c) UILT (d) THKS
- 21.If KITE is written as MKVG, how is BOAT written in the same code? (a) ZMYR (b) ERDW (c) CPBU (d) DQCV
- 22.If PARK is written as JQZO, how is MILK written in the same code? (a) JKHL (b) LMJN (c) KLIM (d) LHKJ
- 23.If LAMP is written as PMAL, how is PEN written in the same code? (a) MDO (b) QFO (c) NEP (d) OFQ
- 24.If LAMP is written as OZNK, how is MOON written in the same code? (a) MKKL (b) NLLM (c) NPPO (d) OMMN
- 25.If LION is written as MNHK, how is COLD written in the same code? (a) EMPD (b) BNKC (c) DLOC (d) CKNB
- 26.If LAMP is written as OZNK, how is BELL written in the same code? (a) CFMM (b) XUNN (c) ZWPP (d) YVOO
- 27.If DOG is written as WLT, how is GOLD written in the same code? (a) SKNV (b) TLOW (c) HPME (d) UMPX
- 28.If HAND is written as SZMW, how is PEN written in the same code? (a) KVM (b) LWN (c) QFO (d) JUL
- 29.If FISH is written as URHS, how is BOOK written in the same code? (a) ZMMQ (b) XKKO (c) YLLP (d) CPPL
- 30.If CAT is written as XZG, how is SHIP written in the same code? (a) HSRK (b) TIJQ (c) GRQJ (d) ITSL
- 31.If PARK is written as KZIP, how is TOYS written in the same code? (a) GLBH (b) HMCI (c) FKAG (d) UPZT
- 32.If GOLD is written as JROG, how is CAT written in the same code? (a) GEX (b) ZXQ (c) ECV (d) FDW
- 33.If TREE is written as EERT, how is COLD written in the same code? (a) DLOC (b) CKNB (c) EMPD (d) DPME
- 34.If MOON is written as OPPN, how is LION written in the same code? (a) MNHK (b) MJPO (c) OPJM (d) NOIL
- 35.If MILK is written as NJML, how is RAIN written in the same code? (a) QZHM (b) SBJO (c) OJBS (d) TCKP
- 36.If HAND is written as JCPF, how is DESK written in the same code? (a) FGUM (b) BCQI (c) GHVN (d) EFTL
- 37.If DOG is written as GRJ, how is NEST written in the same code? (a) RIWX (b) QHVW (c) KBPQ (d) PGUV
- 38.If BELL is written as LLEB, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) QBSL (d) JQZO
- 39.If CAT is written as TAC, how is PARK written in the same code? (a) JQZO (b) QBSL (c) KRAP (d) LSBQ
- 40.If NEST is written as UTFO, how is KITE written in the same code? (a) LJUF (b) ETIK (c) DSHJ (d) FUJL
Answer key
- FNQI
- MURD
- WLT
- PLON
- QFNK
- ESVN
- WLT
- GORF
- MXPS
- YLZG
- KDQG
- BZJD
- EOBI
- KRAP
- BME
- OFQ
- ZYJJ
- CPBU
- PRGV
- UILT
- DQCV
- JKHL
- NEP
- NLLM
- CKNB
- YVOO
- TLOW
- KVM
- YLLP
- HSRK
- GLBH
- FDW
- DLOC
- OPJM
- SBJO
- FGUM
- QHVW
- KRAP
- KRAP
- FUJL
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