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 MMFC, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) QNVK (d) PMUJ
- 2.If BOOK is written as CPPL, how is DOG written in the same code? (a) FQI (b) HPE (c) CNF (d) EPH
- 3.If FROG is written as UILT, how is BELL written in the same code? (a) ZWPP (b) CFMM (c) XUNN (d) YVOO
- 4.If FISH is written as ILVK, how is PARK written in the same code? (a) RCTM (b) TEVO (c) SDUN (d) MXOH
- 5.If TOYS is written as SYOT, how is PARK written in the same code? (a) JQZO (b) QBSL (c) KRAP (d) LSBQ
- 6.If BELL is written as YVOO, how is LAMP written in the same code? (a) PAOL (b) MBNQ (c) OZNK (d) NYMJ
- 7.If TREE is written as EERT, how is DESK written in the same code? (a) LTFE (b) KSED (c) EFTL (d) JRDC
- 8.If COLD is written as XLOW, how is MILK written in the same code? (a) NJML (b) NROP (c) MQNO (d) OSPQ
- 9.If FROG is written as UILT, how is NEST written in the same code? (a) LUGF (b) NWIH (c) OFTU (d) MVHG
- 10.If TREE is written as DDQS, how is FROG written in the same code? (a) GORF (b) EQNF (c) HPSG (d) FNQE
- 11.If GOLD is written as DLOG, how is WIND written in the same code? (a) XJOE (b) EOJX (c) DNIW (d) CMHV
- 12.If FISH is written as ITJG, how is DOG written in the same code? (a) FNC (b) HPE (c) GOD (d) EPH
- 13.If FROG is written as IURJ, how is SHIP written in the same code? (a) PEFM (b) UJKR (c) VKLS (d) WLMT
- 14.If DOG is written as WLT, how is MILK written in the same code? (a) OSPQ (b) NROP (c) MQNO (d) NJML
- 15.If BELL is written as ADKK, how is CAT written in the same code? (a) DBU (b) BZS (c) CAT (d) AYR
- 16.If SUN is written as RTM, how is JUMP written in the same code? (a) JUMP (b) KVNQ (c) ITLO (d) HSKN
- 17.If SUN is written as UWP, how is DRUM written in the same code? (a) BPSK (b) FTWO (c) ESVN (d) GUXP
- 18.If TOYS is written as GLBH, how is PEN written in the same code? (a) JUL (b) LWN (c) KVM (d) QFO
- 19.If CAT is written as DBU, how is FISH written in the same code? (a) EHRG (b) HKUJ (c) ITJG (d) GJTI
- 20.If TREE is written as EERT, how is DRUM written in the same code? (a) LTQC (b) NVSE (c) MURD (d) ESVN
- 21.If LAMP is written as ODPS, how is NEST written in the same code? (a) KBPQ (b) QHVW (c) PGUV (d) RIWX
- 22.If DOG is written as EPH, how is PARK written in the same code? (a) QBSL (b) OZQJ (c) LSBQ (d) RCTM
- 23.If FROG is written as UILT, how is FISH written in the same code? (a) VSIT (b) URHS (c) TQGR (d) GJTI
- 24.If SUN is written as HFM, how is BOAT written in the same code? (a) CPBU (b) YLZG (c) XKYF (d) ZMAH
- 25.If TOYS is written as RXNS, how is PEN written in the same code? (a) ODM (b) MDO (c) OFQ (d) NEP
- 26.If WIND is written as EOJX, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) PMUJ (d) KVNQ
- 27.If BOOK is written as JNNA, how is CAKE written in the same code? (a) BZJD (b) DJZB (c) FLBD (d) EKAC
- 28.If BOAT is written as VCQD, how is JUMP written in the same code? (a) NKSH (b) ROWL (c) LWOR (d) PMUJ
- 29.If TREE is written as GIVV, how is SHIP written in the same code? (a) ITSL (b) TIJQ (c) GRQJ (d) HSRK
- 30.If GOLD is written as FNQI, how is FROG written in the same code? (a) GORF (b) EMPD (c) HTQI (d) IQTH
- 31.If DRUM is written as WIFN, how is BOOK written in the same code? (a) XKKO (b) YLLP (c) ZMMQ (d) CPPL
- 32.If WIND is written as CMHV, how is TREE written in the same code? (a) EERT (b) SQDD (c) DDQS (d) FFSU
- 33.If TOYS is written as UPZT, how is HAND written in the same code? (a) GZMC (b) IBOE (c) JCPF (d) EOBI
- 34.If PARK is written as KRAP, how is MILK written in the same code? (a) LMJN (b) NJML (c) KLIM (d) JKHL
- 35.If TOYS is written as VQAU, how is BELL written in the same code? (a) CFMM (b) EHOO (c) DGNN (d) ZCJJ
- 36.If SHIP is written as VKLS, how is BELL written in the same code? (a) YBII (b) FIPP (c) EHOO (d) DGNN
- 37.If BALL is written as LLAB, how is TOYS written in the same code? (a) RXNS (b) SYOT (c) UPZT (d) TZPU
- 38.If SUN is written as NUS, how is LION written in the same code? (a) MNHK (b) OPJM (c) NOIL (d) MJPO
- 39.If COLD is written as XLOW, how is TREE written in the same code? (a) USFF (b) HJWW (c) GIVV (d) FHUU
- 40.If PARK is written as KRAP, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) ETIK (d) LJUF
Answer key
- QNVK
- EPH
- YVOO
- SDUN
- KRAP
- OZNK
- KSED
- NROP
- MVHG
- FNQE
- DNIW
- HPE
- VKLS
- NROP
- BZS
- ITLO
- FTWO
- KVM
- GJTI
- MURD
- QHVW
- QBSL
- URHS
- YLZG
- MDO
- QNVK
- DJZB
- ROWL
- HSRK
- IQTH
- YLLP
- DDQS
- IBOE
- KLIM
- DGNN
- EHOO
- SYOT
- NOIL
- GIVV
- ETIK
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